diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/debitor/HsBookingDebitorRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/debitor/HsBookingDebitorRepository.java
index f69dd72f..4fef88e2 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/debitor/HsBookingDebitorRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/debitor/HsBookingDebitorRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.booking.debitor;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -8,7 +9,9 @@ import java.util.UUID;
 
 public interface HsBookingDebitorRepository extends Repository<HsBookingDebitorEntity, UUID> {
 
+    @Timed("app.bookingDebitor.repo.findByUuid")
     Optional<HsBookingDebitorEntity> findByUuid(UUID id);
 
+    @Timed("app.bookingDebitor.repo.findByDebitorNumber")
     List<HsBookingDebitorEntity> findByDebitorNumber(int debitorNumber);
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/BookingItemCreatedEventRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/BookingItemCreatedEventRepository.java
index e36bda61..f94f1458 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/BookingItemCreatedEventRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/BookingItemCreatedEventRepository.java
@@ -1,12 +1,15 @@
 package net.hostsharing.hsadminng.hs.booking.item;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.UUID;
 
 public interface BookingItemCreatedEventRepository extends Repository<BookingItemCreatedEventEntity, UUID> {
 
+    @Timed("app.booking.items.repo.save")
     BookingItemCreatedEventEntity save(HsBookingItemRealEntity current);
 
+    @Timed("app.booking.items.repo.findByBookingItem")
     BookingItemCreatedEventEntity findByBookingItem(HsBookingItemRealEntity newBookingItem);
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemController.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemController.java
index e8441b01..6facc03f 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemController.java
@@ -2,6 +2,7 @@ package net.hostsharing.hsadminng.hs.booking.item;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import io.micrometer.core.annotation.Timed;
 import net.hostsharing.hsadminng.context.Context;
 import net.hostsharing.hsadminng.hs.booking.generated.api.v1.api.HsBookingItemsApi;
 import net.hostsharing.hsadminng.hs.booking.generated.api.v1.model.HsBookingItemInsertResource;
@@ -51,7 +52,8 @@ public class HsBookingItemController implements HsBookingItemsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<List<HsBookingItemResource>> listBookingItemsByProjectUuid(
+    @Timed("app.bookingItems.api.getListOfBookingItemsByProjectUuid")
+    public ResponseEntity<List<HsBookingItemResource>> getListOfBookingItemsByProjectUuid(
             final String currentSubject,
             final String assumedRoles,
             final UUID projectUuid) {
@@ -65,7 +67,8 @@ public class HsBookingItemController implements HsBookingItemsApi {
 
     @Override
     @Transactional
-    public ResponseEntity<HsBookingItemResource> addBookingItem(
+    @Timed("app.bookingItems.api.postNewBookingItem")
+    public ResponseEntity<HsBookingItemResource> postNewBookingItem(
             final String currentSubject,
             final String assumedRoles,
             final HsBookingItemInsertResource body) {
@@ -94,7 +97,8 @@ public class HsBookingItemController implements HsBookingItemsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<HsBookingItemResource> getBookingItemByUuid(
+    @Timed("app.bookingItems.api.getSingleBookingItemByUuid")
+    public ResponseEntity<HsBookingItemResource> getSingleBookingItemByUuid(
             final String currentSubject,
             final String assumedRoles,
             final UUID bookingItemUuid) {
@@ -111,6 +115,7 @@ public class HsBookingItemController implements HsBookingItemsApi {
 
     @Override
     @Transactional
+    @Timed("app.bookingItems.api.deleteBookingIemByUuid")
     public ResponseEntity<Void> deleteBookingIemByUuid(
             final String currentSubject,
             final String assumedRoles,
@@ -125,6 +130,7 @@ public class HsBookingItemController implements HsBookingItemsApi {
 
     @Override
     @Transactional
+    @Timed("app.bookingItems.api.patchBookingItem")
     public ResponseEntity<HsBookingItemResource> patchBookingItem(
             final String currentSubject,
             final String assumedRoles,
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRbacRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRbacRepository.java
index 8c230445..392b7077 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRbacRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRbacRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.booking.item;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -9,15 +10,21 @@ import java.util.UUID;
 public interface HsBookingItemRbacRepository extends HsBookingItemRepository<HsBookingItemRbacEntity>,
         Repository<HsBookingItemRbacEntity, UUID> {
 
+    @Timed("app.bookingItems.repo.findByUuid.rbac")
     Optional<HsBookingItemRbacEntity> findByUuid(final UUID bookingItemUuid);
 
+    @Timed("app.bookingItems.repo.findByCaption.rbac")
     List<HsBookingItemRbacEntity> findByCaption(String bookingItemCaption);
 
+    @Timed("app.bookingItems.repo.findAllByProjectUuid.rbac")
     List<HsBookingItemRbacEntity> findAllByProjectUuid(final UUID projectItemUuid);
 
+    @Timed("app.bookingItems.repo.save.rbac")
     HsBookingItemRbacEntity save(HsBookingItemRbacEntity current);
 
+    @Timed("app.bookingItems.repo.deleteByUuid.rbac")
     int deleteByUuid(final UUID uuid);
 
+    @Timed("app.bookingItems.repo.count.rbac")
     long count();
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRealRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRealRepository.java
index d9c509cc..706b1349 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRealRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRealRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.booking.item;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -9,15 +10,21 @@ import java.util.UUID;
 public interface HsBookingItemRealRepository extends HsBookingItemRepository<HsBookingItemRealEntity>,
         Repository<HsBookingItemRealEntity, UUID> {
 
+    @Timed("app.bookingItems.repo.findByUuid.real")
     Optional<HsBookingItemRealEntity> findByUuid(final UUID bookingItemUuid);
 
+    @Timed("app.bookingItems.repo.findByCaption.real")
     List<HsBookingItemRealEntity> findByCaption(String bookingItemCaption);
 
+    @Timed("app.bookingItems.repo.findAllByProjectUuid.real")
     List<HsBookingItemRealEntity> findAllByProjectUuid(final UUID projectItemUuid);
 
+    @Timed("app.bookingItems.repo.save.real")
     HsBookingItemRealEntity save(HsBookingItemRealEntity current);
 
+    @Timed("app.bookingItems.repo.deleteByUuid.real")
     int deleteByUuid(final UUID uuid);
 
+    @Timed("app.bookingItems.repo.count.real")
     long count();
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRepository.java
index 98ba547c..67cb8efc 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.booking.item;
 
+
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectController.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectController.java
index f657d45e..ac21083a 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectController.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.booking.project;
 
+import io.micrometer.core.annotation.Timed;
 import net.hostsharing.hsadminng.context.Context;
 import net.hostsharing.hsadminng.hs.booking.debitor.HsBookingDebitorRepository;
 import net.hostsharing.hsadminng.hs.booking.generated.api.v1.api.HsBookingProjectsApi;
@@ -35,7 +36,8 @@ public class HsBookingProjectController implements HsBookingProjectsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<List<HsBookingProjectResource>> listBookingProjectsByDebitorUuid(
+    @Timed("app.bookingProjects.api.getListOfBookingProjectsByDebitorUuid")
+    public ResponseEntity<List<HsBookingProjectResource>> getListOfBookingProjectsByDebitorUuid(
             final String currentSubject,
             final String assumedRoles,
             final UUID debitorUuid) {
@@ -49,7 +51,8 @@ public class HsBookingProjectController implements HsBookingProjectsApi {
 
     @Override
     @Transactional
-    public ResponseEntity<HsBookingProjectResource> addBookingProject(
+    @Timed("app.bookingProjects.api.postNewBookingProject")
+    public ResponseEntity<HsBookingProjectResource> postNewBookingProject(
             final String currentSubject,
             final String assumedRoles,
             final HsBookingProjectInsertResource body) {
@@ -71,6 +74,7 @@ public class HsBookingProjectController implements HsBookingProjectsApi {
 
     @Override
     @Transactional(readOnly = true)
+    @Timed("app.bookingProjects.api.getBookingProjectByUuid")
     public ResponseEntity<HsBookingProjectResource> getBookingProjectByUuid(
             final String currentSubject,
             final String assumedRoles,
@@ -87,6 +91,7 @@ public class HsBookingProjectController implements HsBookingProjectsApi {
 
     @Override
     @Transactional
+    @Timed("app.bookingProjects.api.deleteBookingIemByUuid")
     public ResponseEntity<Void> deleteBookingIemByUuid(
             final String currentSubject,
             final String assumedRoles,
@@ -101,6 +106,7 @@ public class HsBookingProjectController implements HsBookingProjectsApi {
 
     @Override
     @Transactional
+    @Timed("app.bookingProjects.api.patchBookingProject")
     public ResponseEntity<HsBookingProjectResource> patchBookingProject(
             final String currentSubject,
             final String assumedRoles,
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRbacRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRbacRepository.java
index 8541e002..63065bb2 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRbacRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRbacRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.booking.project;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -9,14 +10,21 @@ import java.util.UUID;
 public interface HsBookingProjectRbacRepository extends HsBookingProjectRepository<HsBookingProjectRbacEntity>,
         Repository<HsBookingProjectRbacEntity, UUID> {
 
+    @Timed("app.bookingProjects.repo.findByUuid.rbac")
     Optional<HsBookingProjectRbacEntity> findByUuid(final UUID bookingProjectUuid);
+
+    @Timed("app.bookingProjects.repo.findByCaption.rbac")
     List<HsBookingProjectRbacEntity> findByCaption(final String projectCaption);
 
+    @Timed("app.bookingProjects.repo.findAllByDebitorUuid.rbac")
     List<HsBookingProjectRbacEntity> findAllByDebitorUuid(final UUID bookingProjectUuid);
 
+    @Timed("app.bookingProjects.repo.save.rbac")
     HsBookingProjectRbacEntity save(HsBookingProjectRbacEntity current);
 
+    @Timed("app.bookingProjects.repo.deleteByUuid.rbac")
     int deleteByUuid(final UUID uuid);
 
+    @Timed("app.bookingProjects.repo.count.rbac")
     long count();
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRealRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRealRepository.java
index b6e74d62..66b978b5 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRealRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRealRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.booking.project;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -9,14 +10,21 @@ import java.util.UUID;
 public interface HsBookingProjectRealRepository extends HsBookingProjectRepository<HsBookingProjectRealEntity>,
         Repository<HsBookingProjectRealEntity, UUID> {
 
+    @Timed("app.bookingProjects.repo.findByUuid.real")
     Optional<HsBookingProjectRealEntity> findByUuid(final UUID bookingProjectUuid);
+
+    @Timed("app.bookingProjects.repo.findByCaption.real")
     List<HsBookingProjectRealEntity> findByCaption(final String projectCaption);
 
+    @Timed("app.bookingProjects.repo.findAllByDebitorUuid.real")
     List<HsBookingProjectRealEntity> findAllByDebitorUuid(final UUID bookingProjectUuid);
 
+    @Timed("app.bookingProjects.repo.save.real")
     HsBookingProjectRealEntity save(HsBookingProjectRealEntity current);
 
+    @Timed("app.bookingProjects.repo.deleteByUuid.real")
     int deleteByUuid(final UUID uuid);
 
+    @Timed("app.bookingProjects.repo.count.real")
     long count();
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRepository.java
index a609f625..0b9c7871 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectRepository.java
@@ -1,19 +1,28 @@
 package net.hostsharing.hsadminng.hs.booking.project;
 
+import io.micrometer.core.annotation.Timed;
+
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
 
 public interface HsBookingProjectRepository<E extends HsBookingProject> {
 
-    Optional<E> findByUuid(final UUID bookingProjectUuid);
+    @Timed("app.booking.projects.repo.findByUuid")
+    Optional<E> findByUuid(final UUID findByUuid);
+
+    @Timed("app.booking.projects.repo.findByCaption")
     List<E> findByCaption(final String projectCaption);
 
+    @Timed("app.booking.projects.repo.findAllByDebitorUuid")
     List<E> findAllByDebitorUuid(final UUID bookingProjectUuid);
 
+    @Timed("app.booking.projects.repo.save")
     E save(E current);
 
+    @Timed("app.booking.projects.repo.deleteByUuid")
     int deleteByUuid(final UUID uuid);
 
+    @Timed("app.booking.projects.repo.count")
     long count();
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetController.java b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetController.java
index 56b59427..a8d4f7cf 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetController.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
+import io.micrometer.core.annotation.Timed;
 import net.hostsharing.hsadminng.hs.booking.item.HsBookingItemRealRepository;
 import net.hostsharing.hsadminng.hs.hosting.asset.validators.HostingAssetEntitySaveProcessor;
 import net.hostsharing.hsadminng.hs.hosting.asset.validators.HostingAssetEntityValidatorRegistry;
@@ -48,7 +49,8 @@ public class HsHostingAssetController implements HsHostingAssetsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<List<HsHostingAssetResource>> listAssets(
+    @Timed("app.hosting.assets.api.getListOfHostingAssets")
+    public ResponseEntity<List<HsHostingAssetResource>> getListOfHostingAssets(
             final String currentSubject,
             final String assumedRoles,
             final UUID debitorUuid,
@@ -65,7 +67,8 @@ public class HsHostingAssetController implements HsHostingAssetsApi {
 
     @Override
     @Transactional
-    public ResponseEntity<HsHostingAssetResource> addAsset(
+    @Timed("app.hosting.assets.api.postNewHostingAsset")
+    public ResponseEntity<HsHostingAssetResource> postNewHostingAsset(
             final String currentSubject,
             final String assumedRoles,
             final HsHostingAssetInsertResource body) {
@@ -93,7 +96,8 @@ public class HsHostingAssetController implements HsHostingAssetsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<HsHostingAssetResource> getAssetByUuid(
+    @Timed("app.hosting.assets.api.getSingleHostingAssetByUuid")
+    public ResponseEntity<HsHostingAssetResource> getSingleHostingAssetByUuid(
             final String currentSubject,
             final String assumedRoles,
             final UUID assetUuid) {
@@ -109,7 +113,8 @@ public class HsHostingAssetController implements HsHostingAssetsApi {
 
     @Override
     @Transactional
-    public ResponseEntity<Void> deleteAssetUuid(
+    @Timed("app.hosting.assets.api.deleteHostingAssetByUuid")
+    public ResponseEntity<Void> deleteHostingAssetByUuid(
             final String currentSubject,
             final String assumedRoles,
             final UUID assetUuid) {
@@ -123,7 +128,8 @@ public class HsHostingAssetController implements HsHostingAssetsApi {
 
     @Override
     @Transactional
-    public ResponseEntity<HsHostingAssetResource> patchAsset(
+    @Timed("app.hosting.assets.api.patchHostingAsset")
+    public ResponseEntity<HsHostingAssetResource> patchHostingAsset(
             final String currentSubject,
             final String assumedRoles,
             final UUID assetUuid,
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetPropsController.java b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetPropsController.java
index ca8bbb08..b4c56f4c 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetPropsController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetPropsController.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
+import io.micrometer.core.annotation.Timed;
 import net.hostsharing.hsadminng.hs.hosting.asset.validators.HostingAssetEntityValidatorRegistry;
 import net.hostsharing.hsadminng.hs.hosting.generated.api.v1.api.HsHostingAssetPropsApi;
 import net.hostsharing.hsadminng.hs.hosting.generated.api.v1.model.HsHostingAssetTypeResource;
@@ -14,7 +15,8 @@ import java.util.Map;
 public class HsHostingAssetPropsController implements HsHostingAssetPropsApi {
 
     @Override
-    public ResponseEntity<List<String>> listAssetTypes() {
+    @Timed("app.hosting.assets.api.getListOfHostingAssetTypes")
+    public ResponseEntity<List<String>> getListOfHostingAssetTypes() {
         final var resource = HostingAssetEntityValidatorRegistry.types().stream()
                 .map(Enum::name)
                 .toList();
@@ -22,7 +24,8 @@ public class HsHostingAssetPropsController implements HsHostingAssetPropsApi {
     }
 
     @Override
-    public ResponseEntity<List<Object>> listAssetTypeProps(
+    @Timed("app.hosting.assets.api.getListOfHostingAssetTypeProps")
+    public ResponseEntity<List<Object>> getListOfHostingAssetTypeProps(
             final HsHostingAssetTypeResource assetType) {
 
         final Enum<HsHostingAssetType> type = HsHostingAssetType.of(assetType);
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRbacRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRbacRepository.java
index 73050383..75a9863f 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRbacRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRbacRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.Repository;
 
@@ -10,8 +11,10 @@ import java.util.UUID;
 
 public interface HsHostingAssetRbacRepository extends HsHostingAssetRepository<HsHostingAssetRbacEntity>, Repository<HsHostingAssetRbacEntity, UUID> {
 
+    @Timed("app.hostingAsset.repo.findByUuid.rbac")
     Optional<HsHostingAssetRbacEntity> findByUuid(final UUID serverUuid);
 
+    @Timed("app.hostingAsset.repo.findByIdentifier.rbac")
     List<HsHostingAssetRbacEntity> findByIdentifier(String assetIdentifier);
 
     @Query(value = """
@@ -32,16 +35,21 @@ public interface HsHostingAssetRbacRepository extends HsHostingAssetRepository<H
               and (:parentAssetUuid is null or pha.uuid=:parentAssetUuid)
               and (:type is null or :type=cast(ha.type as text))
     """, nativeQuery = true)
+    @Timed("app.hostingAsset.repo.findAllByCriteriaImpl.rbac")
     // The JPQL query did not generate "left join" but just "join".
     // I also optimized the query by not using the _rv for hs_booking.item and hs_hosting.asset, only for hs_hosting.asset_rv.
     List<HsHostingAssetRbacEntity> findAllByCriteriaImpl(UUID projectUuid, UUID parentAssetUuid, String type);
+
     default List<HsHostingAssetRbacEntity> findAllByCriteria(final UUID projectUuid, final UUID parentAssetUuid, final HsHostingAssetType type) {
         return findAllByCriteriaImpl(projectUuid, parentAssetUuid, HsHostingAssetType.asString(type));
     }
 
+    @Timed("app.hostingAsset.repo.save.rbac")
     HsHostingAssetRbacEntity save(HsHostingAsset current);
 
+    @Timed("app.hostingAsset.repo.deleteByUuid.rbac")
     int deleteByUuid(final UUID uuid);
 
+    @Timed("app.hostingAsset.repo.count.rbac")
     long count();
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRealRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRealRepository.java
index c3709039..64fc44bd 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRealRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRealRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.Repository;
 
@@ -10,8 +11,10 @@ import java.util.UUID;
 
 public interface HsHostingAssetRealRepository extends HsHostingAssetRepository<HsHostingAssetRealEntity>, Repository<HsHostingAssetRealEntity, UUID> {
 
+    @Timed("app.hostingAsset.repo.findByUuid.real")
     Optional<HsHostingAssetRealEntity> findByUuid(final UUID serverUuid);
 
+    @Timed("app.hostingAsset.repo.findByIdentifier.real")
     List<HsHostingAssetRealEntity> findByIdentifier(String assetIdentifier);
 
     default List<HsHostingAssetRealEntity> findByTypeAndIdentifier(@NotNull HsHostingAssetType type,  @NotNull String identifier) {
@@ -24,6 +27,7 @@ public interface HsHostingAssetRealRepository extends HsHostingAssetRepository<H
              where cast(ha.type as String) = :type
                and ha.identifier = :identifier
             """)
+    @Timed("app.hostingAsset.repo.findByTypeAndIdentifierImpl.real")
     List<HsHostingAssetRealEntity> findByTypeAndIdentifierImpl(@NotNull String type, @NotNull String identifier);
 
     @Query(value = """
@@ -46,14 +50,19 @@ public interface HsHostingAssetRealRepository extends HsHostingAssetRepository<H
     """, nativeQuery = true)
     // The JPQL query did not generate "left join" but just "join".
     // I also optimized the query by not using the _rv for hs_booking.item and hs_hosting.asset, only for hs_hosting.asset_rv.
+    @Timed("app.hostingAsset.repo.findAllByCriteriaImpl.real")
     List<HsHostingAssetRealEntity> findAllByCriteriaImpl(UUID projectUuid, UUID parentAssetUuid, String type);
+
     default List<HsHostingAssetRealEntity> findAllByCriteria(final UUID projectUuid, final UUID parentAssetUuid, final HsHostingAssetType type) {
         return findAllByCriteriaImpl(projectUuid, parentAssetUuid, HsHostingAssetType.asString(type));
     }
 
+    @Timed("app.hostingAsset.repo.save.real")
     HsHostingAssetRealEntity save(HsHostingAssetRealEntity current);
 
+    @Timed("app.hostingAsset.repo.deleteByUuid.real")
     int deleteByUuid(final UUID uuid);
 
+    @Timed("app.hostingAsset.repo.count.real")
     long count();
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRepository.java
index 8e062869..a473accc 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetRepository.java
@@ -1,24 +1,32 @@
 package net.hostsharing.hsadminng.hs.hosting.asset;
 
+import io.micrometer.core.annotation.Timed;
+
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
 
 public interface HsHostingAssetRepository<E extends HsHostingAsset> {
 
+    @Timed("app.hosting.assets.repo.findByUuid")
     Optional<E> findByUuid(final UUID serverUuid);
 
+    @Timed("app.hosting.assets.repo.findByIdentifier")
     List<E> findByIdentifier(String assetIdentifier);
 
+    @Timed("app.hosting.assets.repo.findAllByCriteriaImpl")
     List<E> findAllByCriteriaImpl(UUID projectUuid, UUID parentAssetUuid, String type);
 
     default List<E> findAllByCriteria(final UUID projectUuid, final UUID parentAssetUuid, final HsHostingAssetType type) {
         return findAllByCriteriaImpl(projectUuid, parentAssetUuid, HsHostingAssetType.asString(type));
     }
 
+    @Timed("app.hosting.assets.repo.save")
     E save(HsHostingAsset current);
 
+    @Timed("app.hosting.assets.repo.deleteByUuid")
     int deleteByUuid(final UUID uuid);
 
+    @Timed("app.hosting.assets.repo.count")
     long count();
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/bankaccount/HsOfficeBankAccountRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/office/bankaccount/HsOfficeBankAccountRepository.java
index ecc1b2c0..862a6e7d 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/bankaccount/HsOfficeBankAccountRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/bankaccount/HsOfficeBankAccountRepository.java
@@ -20,6 +20,7 @@ public interface HsOfficeBankAccountRepository extends Repository<HsOfficeBankAc
             """)
     @Timed("app.bankAccounts.repo.findByOptionalHolderLikeImpl")
     List<HsOfficeBankAccountEntity> findByOptionalHolderLikeImpl(String holder);
+
     default List<HsOfficeBankAccountEntity> findByOptionalHolderLike(String holder) {
         return findByOptionalHolderLikeImpl(holder == null ? "" : holder);
     }
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/debitor/HsOfficeDebitorRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/office/debitor/HsOfficeDebitorRepository.java
index 3eb1835e..817eb202 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/debitor/HsOfficeDebitorRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/debitor/HsOfficeDebitorRepository.java
@@ -21,13 +21,13 @@ public interface HsOfficeDebitorRepository extends Repository<HsOfficeDebitorEnt
                 WHERE partner.partnerNumber = :partnerNumber
                   AND debitor.debitorNumberSuffix = :debitorNumberSuffix
             """)
-    @Timed("app.debitors.repo.findDebitorByDebitorNumber")
-    List<HsOfficeDebitorEntity> findDebitorByDebitorNumber(int partnerNumber, String debitorNumberSuffix);
+    @Timed("app.debitors.repo.findDebitorByPartnerNumberAndDebitorNumberSuffix")
+    List<HsOfficeDebitorEntity> findDebitorByPartnerNumberAndDebitorNumberSuffix(int partnerNumber, String debitorNumberSuffix);
 
     default List<HsOfficeDebitorEntity> findDebitorByDebitorNumber(int debitorNumber) {
         final var partnerNumber = debitorNumber / 100;
         final String suffix = String.format("%02d", debitorNumber % 100);
-        final var result = findDebitorByDebitorNumber(partnerNumber, suffix);
+        final var result = findDebitorByPartnerNumberAndDebitorNumberSuffix(partnerNumber, suffix);
         return result;
     }
 
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipController.java b/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipController.java
index d2ee381b..3ba36f5c 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipController.java
@@ -34,7 +34,7 @@ public class HsOfficeMembershipController implements HsOfficeMembershipsApi {
 
     @Override
     @Transactional(readOnly = true)
-    @Timed("app.membership.api.getListOfMemberships")
+    @Timed("app.office.membership.api.getListOfMemberships")
     public ResponseEntity<List<HsOfficeMembershipResource>> getListOfMemberships(
             final String currentSubject,
             final String assumedRoles,
@@ -55,7 +55,7 @@ public class HsOfficeMembershipController implements HsOfficeMembershipsApi {
 
     @Override
     @Transactional
-    @Timed("app.membership.api.postNewMembership")
+    @Timed("app.office.membership.api.postNewMembership")
     public ResponseEntity<HsOfficeMembershipResource> postNewMembership(
             final String currentSubject,
             final String assumedRoles,
@@ -79,7 +79,7 @@ public class HsOfficeMembershipController implements HsOfficeMembershipsApi {
 
     @Override
     @Transactional(readOnly = true)
-    @Timed("app.membership.api.getSingleMembershipByUuid")
+    @Timed("app.office.membership.api.getSingleMembershipByUuid")
     public ResponseEntity<HsOfficeMembershipResource> getSingleMembershipByUuid(
             final String currentSubject,
             final String assumedRoles,
@@ -97,7 +97,7 @@ public class HsOfficeMembershipController implements HsOfficeMembershipsApi {
 
     @Override
     @Transactional
-    @Timed("app.membership.api.deleteMembershipByUuid")
+    @Timed("app.office.membership.api.deleteMembershipByUuid")
     public ResponseEntity<Void> deleteMembershipByUuid(
             final String currentSubject,
             final String assumedRoles,
@@ -114,7 +114,7 @@ public class HsOfficeMembershipController implements HsOfficeMembershipsApi {
 
     @Override
     @Transactional
-    @Timed("app.membership.api.patchMembership")
+    @Timed("app.office.membership.api.patchMembership")
     public ResponseEntity<HsOfficeMembershipResource> patchMembership(
             final String currentSubject,
             final String assumedRoles,
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipRepository.java b/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipRepository.java
index e0fb0e1e..5a537b26 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipRepository.java
@@ -11,13 +11,13 @@ import java.util.UUID;
 
 public interface HsOfficeMembershipRepository extends Repository<HsOfficeMembershipEntity, UUID> {
 
-    @Timed("app.membership.repo.findByUuid")
+    @Timed("app.office.membership.repo.findByUuid")
     Optional<HsOfficeMembershipEntity> findByUuid(UUID id);
 
-    @Timed("app.membership.repo.save")
+    @Timed("app.office.membership.repo.save")
     HsOfficeMembershipEntity save(final HsOfficeMembershipEntity entity);
 
-    @Timed("app.membership.repo.findAll")
+    @Timed("app.office.membership.repo.findAll")
     List<HsOfficeMembershipEntity> findAll();
 
     @Query("""
@@ -26,7 +26,7 @@ public interface HsOfficeMembershipRepository extends Repository<HsOfficeMembers
                         OR membership.partner.uuid = :partnerUuid )
                 ORDER BY membership.partner.partnerNumber, membership.memberNumberSuffix
             """)
-    @Timed("app.membership.repo.findMembershipsByOptionalPartnerUuid")
+    @Timed("app.office.membership.repo.findMembershipsByOptionalPartnerUuid")
     List<HsOfficeMembershipEntity> findMembershipsByOptionalPartnerUuid(UUID partnerUuid);
 
     @Query("""
@@ -35,7 +35,7 @@ public interface HsOfficeMembershipRepository extends Repository<HsOfficeMembers
                     AND (membership.memberNumberSuffix = :suffix)
                 ORDER BY membership.memberNumberSuffix
                """)
-    @Timed("app.membership.repo.findMembershipByPartnerNumberAndSuffix")
+    @Timed("app.office.membership.repo.findMembershipByPartnerNumberAndSuffix")
     HsOfficeMembershipEntity findMembershipByPartnerNumberAndSuffix(
             @NotNull Integer partnerNumber,
             @NotNull String suffix);
@@ -47,9 +47,9 @@ public interface HsOfficeMembershipRepository extends Repository<HsOfficeMembers
         return result;
     }
 
-    @Timed("app.membership.repo.count")
+    @Timed("app.office.membership.repo.count")
     long count();
 
-    @Timed("app.membership.repo.deleteByUuid")
+    @Timed("app.office.membership.repo.deleteByUuid")
     int deleteByUuid(UUID uuid);
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/rbac/grant/RawRbacGrantRepository.java b/src/main/java/net/hostsharing/hsadminng/rbac/grant/RawRbacGrantRepository.java
index 1d0ba3a1..7ed53b27 100644
--- a/src/main/java/net/hostsharing/hsadminng/rbac/grant/RawRbacGrantRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/rbac/grant/RawRbacGrantRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.grant;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -7,9 +8,12 @@ import java.util.UUID;
 
 public interface RawRbacGrantRepository extends Repository<RawRbacGrantEntity, UUID> {
 
-    List<RawRbacGrantEntity> findAll();
+    @Timed("app.rbac.grants.repo.findAll")
+    List<RawRbacGrantEntity> findAll(); // TODO.refa: move to test repo
 
+    @Timed("app.rbac.grants.repo.findByAscendingUuid")
     List<RawRbacGrantEntity> findByAscendingUuid(UUID ascendingUuid);
 
+    @Timed("app.rbac.grants.repo.findByDescendantUuid")
     List<RawRbacGrantEntity> findByDescendantUuid(UUID refUuid);
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantController.java b/src/main/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantController.java
index 6af53104..500c0ff3 100644
--- a/src/main/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantController.java
+++ b/src/main/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantController.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.grant;
 
+import io.micrometer.core.annotation.Timed;
 import net.hostsharing.hsadminng.context.Context;
 import net.hostsharing.hsadminng.mapper.StandardMapper;
 import net.hostsharing.hsadminng.rbac.generated.api.v1.api.RbacGrantsApi;
@@ -32,7 +33,8 @@ public class RbacGrantController implements RbacGrantsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<RbacGrantResource> getGrantById(
+    @Timed("app.rbac.grants.api.getListOfGrantsByUuid")
+    public ResponseEntity<RbacGrantResource> getListOfGrantsByUuid(
             final String currentSubject,
             final String assumedRoles,
             final UUID grantedRoleUuid,
@@ -50,7 +52,8 @@ public class RbacGrantController implements RbacGrantsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<List<RbacGrantResource>> listSubjectGrants(
+    @Timed("app.rbac.grants.api.getListOfSubjectGrants")
+    public ResponseEntity<List<RbacGrantResource>> getListOfSubjectGrants(
             final String currentSubject,
             final String assumedRoles) {
 
@@ -61,7 +64,8 @@ public class RbacGrantController implements RbacGrantsApi {
 
     @Override
     @Transactional
-    public ResponseEntity<RbacGrantResource> grantRoleToSubject(
+    @Timed("app.rbac.grants.api.postNewRoleGrantToSubject")
+    public ResponseEntity<RbacGrantResource> postNewRoleGrantToSubject(
             final String currentSubject,
             final String assumedRoles,
             final RbacGrantResource body) {
@@ -82,7 +86,8 @@ public class RbacGrantController implements RbacGrantsApi {
 
     @Override
     @Transactional
-    public ResponseEntity<Void> revokeRoleFromSubject(
+    @Timed("app.rbac.grants.api.deleteRoleGrantFromSubject")
+    public ResponseEntity<Void> deleteRoleGrantFromSubject(
             final String currentSubject,
             final String assumedRoles,
             final UUID grantedRoleUuid,
diff --git a/src/main/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantRepository.java b/src/main/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantRepository.java
index 9621e1f4..7aec28fa 100644
--- a/src/main/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.grant;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.Repository;
@@ -13,12 +14,16 @@ public interface RbacGrantRepository extends Repository<RbacGrantEntity, RbacGra
                  where g.grantedRoleUuid=:#{#rbacGrantId.grantedRoleUuid}
                    and g.granteeSubjectUuid=:#{#rbacGrantId.granteeSubjectUuid}
             """)
+    @Timed("app.rbac.grants.repo.findById")
     RbacGrantEntity findById(RbacGrantId rbacGrantId);
 
+    @Timed("app.rbac.grants.repo.count")
     long count();
 
+    @Timed("app.rbac.grants.repo.findAll")
     List<RbacGrantEntity> findAll();
 
+    @Timed("app.rbac.grants.repo.save")
     RbacGrantEntity save(final RbacGrantEntity grant);
 
     @Modifying
@@ -27,5 +32,6 @@ public interface RbacGrantRepository extends Repository<RbacGrantEntity, RbacGra
                  where g.grantedRoleUuid=:#{#rbacGrantId.grantedRoleUuid}
                    and g.granteeSubjectUuid=:#{#rbacGrantId.granteeSubjectUuid}
             """)
+    @Timed("app.rbac.grants.repo.deleteByRbacGrantId")
     void deleteByRbacGrantId(RbacGrantId rbacGrantId);
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/rbac/role/RbacRoleController.java b/src/main/java/net/hostsharing/hsadminng/rbac/role/RbacRoleController.java
index cffff888..121d4d44 100644
--- a/src/main/java/net/hostsharing/hsadminng/rbac/role/RbacRoleController.java
+++ b/src/main/java/net/hostsharing/hsadminng/rbac/role/RbacRoleController.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.role;
 
+import io.micrometer.core.annotation.Timed;
 import net.hostsharing.hsadminng.context.Context;
 import net.hostsharing.hsadminng.mapper.StandardMapper;
 import net.hostsharing.hsadminng.rbac.generated.api.v1.api.RbacRolesApi;
@@ -25,7 +26,8 @@ public class RbacRoleController implements RbacRolesApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<List<RbacRoleResource>> listRoles(
+    @Timed("app.rbac.roles.api.getListOfRoles")
+    public ResponseEntity<List<RbacRoleResource>> getListOfRoles(
             final String currentSubject,
             final String assumedRoles) {
 
diff --git a/src/main/java/net/hostsharing/hsadminng/rbac/role/RbacRoleRepository.java b/src/main/java/net/hostsharing/hsadminng/rbac/role/RbacRoleRepository.java
index 50a2e8b4..25348cd6 100644
--- a/src/main/java/net/hostsharing/hsadminng/rbac/role/RbacRoleRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/rbac/role/RbacRoleRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.role;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -10,12 +11,15 @@ public interface RbacRoleRepository extends Repository<RbacRoleEntity, UUID> {
     /**
      * @return the number of persistent RbacRoleEntity instances, mostly for testing purposes.
      */
-    long count(); // TODO: move to test sources
+    @Timed("app.rbac.roles.repo.findByUuid")
+    long count(); // TODO.refa: move to test sources
 
     /**
      * @return all persistent RbacRoleEntity instances, assigned to the current subject (user or assumed roles)
      */
-    List<RbacRoleEntity> findAll();
+    @Timed("app.rbac.roles.repo.findAll")
+    List<RbacRoleEntity> findAll(); // TODO.refa: move to test sources
 
+    @Timed("app.rbac.roles.repo.findByRoleName")
     RbacRoleEntity findByRoleName(String roleName);
 }
diff --git a/src/main/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectController.java b/src/main/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectController.java
index 1676cc7c..f2f7afab 100644
--- a/src/main/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectController.java
+++ b/src/main/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectController.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.subject;
 
+import io.micrometer.core.annotation.Timed;
 import net.hostsharing.hsadminng.context.Context;
 import net.hostsharing.hsadminng.mapper.StandardMapper;
 import net.hostsharing.hsadminng.rbac.generated.api.v1.api.RbacSubjectsApi;
@@ -28,7 +29,8 @@ public class RbacSubjectController implements RbacSubjectsApi {
 
     @Override
     @Transactional
-    public ResponseEntity<RbacSubjectResource> createSubject(
+    @Timed("app.rbac.subjects.api.postNewSubject")
+    public ResponseEntity<RbacSubjectResource> postNewSubject(
             final RbacSubjectResource body
     ) {
         context.define(null);
@@ -48,6 +50,7 @@ public class RbacSubjectController implements RbacSubjectsApi {
 
     @Override
     @Transactional
+    @Timed("app.rbac.subjects.api.deleteSubjectByUuid")
     public ResponseEntity<Void> deleteSubjectByUuid(
             final String currentSubject,
             final String assumedRoles,
@@ -62,7 +65,8 @@ public class RbacSubjectController implements RbacSubjectsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<RbacSubjectResource> getSubjectById(
+    @Timed("app.rbac.subjects.api.getSingleSubjectByUuid")
+    public ResponseEntity<RbacSubjectResource> getSingleSubjectByUuid(
             final String currentSubject,
             final String assumedRoles,
             final UUID subjectUuid) {
@@ -78,7 +82,8 @@ public class RbacSubjectController implements RbacSubjectsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<List<RbacSubjectResource>> listSubjects(
+    @Timed("app.rbac.subjects.api.getListOfSubjects")
+    public ResponseEntity<List<RbacSubjectResource>> getListOfSubjects(
             final String currentSubject,
             final String assumedRoles,
             final String userName
@@ -90,7 +95,8 @@ public class RbacSubjectController implements RbacSubjectsApi {
 
     @Override
     @Transactional(readOnly = true)
-    public ResponseEntity<List<RbacSubjectPermissionResource>> listSubjectPermissions(
+    @Timed("app.rbac.subjects.api.getListOfSubjectPermissions")
+    public ResponseEntity<List<RbacSubjectPermissionResource>> getListOfSubjectPermissions(
             final String currentSubject,
             final String assumedRoles,
             final UUID subjectUuid
diff --git a/src/main/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectRepository.java b/src/main/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectRepository.java
index 16a13962..36dd2675 100644
--- a/src/main/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectRepository.java
+++ b/src/main/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.subject;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.Repository;
@@ -14,15 +15,19 @@ public interface RbacSubjectRepository extends Repository<RbacSubjectEntity, UUI
                  where :userName is null or u.name like concat(cast(:userName as text), '%')
                  order by u.name
             """)
+    @Timed("app.rbac.subjects.repo.findByOptionalNameLike")
     List<RbacSubjectEntity> findByOptionalNameLike(String userName);
 
     // bypasses the restricted view, to be able to grant rights to arbitrary user
     @Query(value = "select * from rbac.subject where name=:userName", nativeQuery = true)
+    @Timed("app.rbac.subjects.repo.findByName")
     RbacSubjectEntity findByName(String userName);
 
+    @Timed("app.rbac.subjects.repo.findByUuid")
     RbacSubjectEntity findByUuid(UUID uuid);
 
     @Query(value = "select * from rbac.grantedPermissions(:subjectUuid)", nativeQuery = true)
+    @Timed("app.rbac.subjects.repo.findPermissionsOfUserByUuid")
     List<RbacSubjectPermission> findPermissionsOfUserByUuid(UUID subjectUuid);
 
     /*
@@ -32,6 +37,7 @@ public interface RbacSubjectRepository extends Repository<RbacSubjectEntity, UUI
      */
     @Modifying
     @Query(value = "insert into rbac.subject_rv (uuid, name) values( :#{#newUser.uuid}, :#{#newUser.name})", nativeQuery = true)
+    @Timed("app.rbac.subjects.repo.insert")
     void insert(final RbacSubjectEntity newUser);
 
     default RbacSubjectEntity create(final RbacSubjectEntity rbacSubjectEntity) {
@@ -42,5 +48,6 @@ public interface RbacSubjectRepository extends Repository<RbacSubjectEntity, UUI
         return rbacSubjectEntity;
     }
 
+    @Timed("app.rbac.subjects.repo.deleteByUuid")
     void deleteByUuid(UUID subjectUuid);
 }
diff --git a/src/main/resources/api-definition/hs-booking/hs-booking-items-with-uuid.yaml b/src/main/resources/api-definition/hs-booking/hs-booking-items-with-uuid.yaml
index e93cb7b6..054eb640 100644
--- a/src/main/resources/api-definition/hs-booking/hs-booking-items-with-uuid.yaml
+++ b/src/main/resources/api-definition/hs-booking/hs-booking-items-with-uuid.yaml
@@ -2,7 +2,7 @@ get:
     tags:
         - hs-booking-items
     description: 'Fetch a single booking item its uuid, if visible for the current subject.'
-    operationId: getBookingItemByUuid
+    operationId: getSingleBookingItemByUuid
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/hs-booking/hs-booking-items.yaml b/src/main/resources/api-definition/hs-booking/hs-booking-items.yaml
index e18e4926..48bfb759 100644
--- a/src/main/resources/api-definition/hs-booking/hs-booking-items.yaml
+++ b/src/main/resources/api-definition/hs-booking/hs-booking-items.yaml
@@ -3,7 +3,7 @@ get:
     description: Returns the list of all booking items for a specified project which are visible to the current subject or any of it's assumed roles.
     tags:
         - hs-booking-items
-    operationId: listBookingItemsByProjectUuid
+    operationId: getListOfBookingItemsByProjectUuid
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
@@ -32,7 +32,7 @@ post:
     summary: Adds a new booking item.
     tags:
         - hs-booking-items
-    operationId: addBookingItem
+    operationId: postNewBookingItem
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/hs-booking/hs-booking-projects.yaml b/src/main/resources/api-definition/hs-booking/hs-booking-projects.yaml
index 3b567346..15f9363b 100644
--- a/src/main/resources/api-definition/hs-booking/hs-booking-projects.yaml
+++ b/src/main/resources/api-definition/hs-booking/hs-booking-projects.yaml
@@ -3,7 +3,7 @@ get:
     description: Returns the list of all booking projects for a specified debitor which are visible to the current subject or any of it's assumed roles.
     tags:
         - hs-booking-projects
-    operationId: listBookingProjectsByDebitorUuid
+    operationId: getListOfBookingProjectsByDebitorUuid
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
@@ -32,7 +32,7 @@ post:
     summary: Adds a new project as a container for booking items.
     tags:
         - hs-booking-projects
-    operationId: addBookingProject
+    operationId: postNewBookingProject
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/hs-hosting/hs-hosting-asset-types-props.yaml b/src/main/resources/api-definition/hs-hosting/hs-hosting-asset-types-props.yaml
index c7723c22..5b67bf1c 100644
--- a/src/main/resources/api-definition/hs-hosting/hs-hosting-asset-types-props.yaml
+++ b/src/main/resources/api-definition/hs-hosting/hs-hosting-asset-types-props.yaml
@@ -3,7 +3,7 @@ get:
     description: Returns the list of available properties and their validations for a given asset type.
     tags:
         - hs-hosting-asset-props
-    operationId: listAssetTypeProps
+    operationId: getListOfHostingAssetTypeProps
     parameters:
         - name: assetType
           in: path
diff --git a/src/main/resources/api-definition/hs-hosting/hs-hosting-asset-types.yaml b/src/main/resources/api-definition/hs-hosting/hs-hosting-asset-types.yaml
index f1ab17e0..669d02c5 100644
--- a/src/main/resources/api-definition/hs-hosting/hs-hosting-asset-types.yaml
+++ b/src/main/resources/api-definition/hs-hosting/hs-hosting-asset-types.yaml
@@ -3,7 +3,7 @@ get:
     description: Returns the list of asset types to enable an adaptive UI.
     tags:
         - hs-hosting-asset-props
-    operationId: listAssetTypes
+    operationId: getListOfHostingAssetTypes
     responses:
         "200":
             description: OK
diff --git a/src/main/resources/api-definition/hs-hosting/hs-hosting-assets-with-uuid.yaml b/src/main/resources/api-definition/hs-hosting/hs-hosting-assets-with-uuid.yaml
index 625afdd0..39de131c 100644
--- a/src/main/resources/api-definition/hs-hosting/hs-hosting-assets-with-uuid.yaml
+++ b/src/main/resources/api-definition/hs-hosting/hs-hosting-assets-with-uuid.yaml
@@ -2,7 +2,7 @@ get:
     tags:
         - hs-hosting-assets
     description: 'Fetch a single managed asset by its uuid, if visible for the current subject.'
-    operationId: getAssetByUuid
+    operationId: getSingleHostingAssetByUuid
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
@@ -30,7 +30,7 @@ patch:
     tags:
         - hs-hosting-assets
     description: 'Updates a single hosting asset identified by its uuid, if permitted for the current subject.'
-    operationId: patchAsset
+    operationId: patchHostingAsset
     parameters:
         -   $ref: 'auth.yaml#/components/parameters/currentSubject'
         -   $ref: 'auth.yaml#/components/parameters/assumedRoles'
@@ -61,7 +61,7 @@ delete:
     tags:
         - hs-hosting-assets
     description: 'Delete a single hosting asset identified by its uuid, if permitted for the current subject.'
-    operationId: deleteAssetUuid
+    operationId: deleteHostingAssetByUuid
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/hs-hosting/hs-hosting-assets.yaml b/src/main/resources/api-definition/hs-hosting/hs-hosting-assets.yaml
index 8aae49a8..f78d1ae4 100644
--- a/src/main/resources/api-definition/hs-hosting/hs-hosting-assets.yaml
+++ b/src/main/resources/api-definition/hs-hosting/hs-hosting-assets.yaml
@@ -3,7 +3,7 @@ get:
     description: Returns the list of all hosting assets which match the given filters and are visible to the current subject or any of it's assumed roles.
     tags:
         - hs-hosting-assets
-    operationId: listAssets
+    operationId: getListOfHostingAssets
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
@@ -45,7 +45,7 @@ post:
     summary: Adds a new hosting asset.
     tags:
         - hs-hosting-assets
-    operationId: addAsset
+    operationId: postNewHostingAsset
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/rbac/rbac-grants-with-id.yaml b/src/main/resources/api-definition/rbac/rbac-grants-with-id.yaml
index ddda4510..0fb63211 100644
--- a/src/main/resources/api-definition/rbac/rbac-grants-with-id.yaml
+++ b/src/main/resources/api-definition/rbac/rbac-grants-with-id.yaml
@@ -1,7 +1,7 @@
 get:
   tags:
     - rbac-grants
-  operationId: getGrantById
+  operationId: getListOfGrantsByUuid
   parameters:
     - $ref: 'auth.yaml#/components/parameters/currentSubject'
     - $ref: 'auth.yaml#/components/parameters/assumedRoles'
@@ -36,7 +36,7 @@ get:
 delete:
     tags:
         - rbac-grants
-    operationId: revokeRoleFromSubject
+    operationId: deleteRoleGrantFromSubject
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/rbac/rbac-grants.yaml b/src/main/resources/api-definition/rbac/rbac-grants.yaml
index 7c5392cd..7df1592b 100644
--- a/src/main/resources/api-definition/rbac/rbac-grants.yaml
+++ b/src/main/resources/api-definition/rbac/rbac-grants.yaml
@@ -1,7 +1,7 @@
 get:
     tags:
         - rbac-grants
-    operationId: listSubjectGrants
+    operationId: getListOfSubjectGrants
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
@@ -18,7 +18,7 @@ get:
 post:
     tags:
         - rbac-grants
-    operationId: grantRoleToSubject
+    operationId: postNewRoleGrantToSubject
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/rbac/rbac-roles.yaml b/src/main/resources/api-definition/rbac/rbac-roles.yaml
index e35ee44e..a3d3f86a 100644
--- a/src/main/resources/api-definition/rbac/rbac-roles.yaml
+++ b/src/main/resources/api-definition/rbac/rbac-roles.yaml
@@ -1,7 +1,7 @@
 get:
     tags:
         - rbac-roles
-    operationId: listRoles
+    operationId: getListOfRoles
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/rbac/rbac-subjects-with-id-permissions.yaml b/src/main/resources/api-definition/rbac/rbac-subjects-with-id-permissions.yaml
index a92407db..d35a98bf 100644
--- a/src/main/resources/api-definition/rbac/rbac-subjects-with-id-permissions.yaml
+++ b/src/main/resources/api-definition/rbac/rbac-subjects-with-id-permissions.yaml
@@ -2,7 +2,7 @@ get:
     tags:
         - rbac-subjects
     description: 'List all visible permissions granted to the given subject; reduced '
-    operationId: listSubjectPermissions
+    operationId: getListOfSubjectPermissions
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/rbac/rbac-subjects-with-uuid.yaml b/src/main/resources/api-definition/rbac/rbac-subjects-with-uuid.yaml
index 67e0ac6d..2c5f953a 100644
--- a/src/main/resources/api-definition/rbac/rbac-subjects-with-uuid.yaml
+++ b/src/main/resources/api-definition/rbac/rbac-subjects-with-uuid.yaml
@@ -2,7 +2,7 @@ get:
     tags:
         - rbac-subjects
     description: 'Fetch a single subject by its id, if visible for the current subject.'
-    operationId: getSubjectById
+    operationId: getSingleSubjectByUuid
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
diff --git a/src/main/resources/api-definition/rbac/rbac-subjects.yaml b/src/main/resources/api-definition/rbac/rbac-subjects.yaml
index 0877163e..7befc5b4 100644
--- a/src/main/resources/api-definition/rbac/rbac-subjects.yaml
+++ b/src/main/resources/api-definition/rbac/rbac-subjects.yaml
@@ -2,7 +2,7 @@ get:
     tags:
         - rbac-subjects
     description: List accessible RBAC subjects with optional filter by name.
-    operationId: listSubjects
+    operationId: getListOfSubjects
     parameters:
         - $ref: 'auth.yaml#/components/parameters/currentSubject'
         - $ref: 'auth.yaml#/components/parameters/assumedRoles'
@@ -29,7 +29,7 @@ post:
     tags:
         - rbac-subjects
     description: Create a new RBAC subject (e.g. user).
-    operationId: createSubject
+    operationId: postNewSubject
     requestBody:
         required: true
         content:
diff --git a/src/test/java/net/hostsharing/hsadminng/arch/ArchitectureTest.java b/src/test/java/net/hostsharing/hsadminng/arch/ArchitectureTest.java
index 9152d68f..2628ad5d 100644
--- a/src/test/java/net/hostsharing/hsadminng/arch/ArchitectureTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/arch/ArchitectureTest.java
@@ -10,6 +10,7 @@ import com.tngtech.archunit.lang.ArchCondition;
 import com.tngtech.archunit.lang.ArchRule;
 import com.tngtech.archunit.lang.ConditionEvents;
 import com.tngtech.archunit.lang.SimpleConditionEvent;
+import io.micrometer.core.annotation.Timed;
 import net.hostsharing.hsadminng.HsadminNgApplication;
 import net.hostsharing.hsadminng.hs.booking.item.HsBookingItem;
 import net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetRbacEntity;
@@ -20,7 +21,9 @@ import org.springframework.web.bind.annotation.RestController;
 
 import jakarta.persistence.Table;
 
-import static com.tngtech.archunit.core.domain.JavaModifier.ABSTRACT;
+import java.lang.annotation.Annotation;
+
+import static com.tngtech.archunit.core.domain.JavaModifier.PUBLIC;
 import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.*;
 import static com.tngtech.archunit.library.dependencies.SlicesRuleDefinition.slices;
 import static java.lang.String.format;
@@ -98,7 +101,7 @@ public class ArchitectureTest {
     @SuppressWarnings("unused")
     public static final ArchRule testClassesAreProperlyNamed = classes()
             .that().haveSimpleNameEndingWith("Test")
-            .and().doNotHaveModifier(ABSTRACT)
+            .and().doNotHaveModifier(JavaModifier.ABSTRACT)
             .should().haveNameMatching(".*(UnitTest|RestTest|IntegrationTest|AcceptanceTest|ScenarioTest|ArchitectureTest)$");
 
     @ArchTest
@@ -346,11 +349,25 @@ public class ArchitectureTest {
     static final ArchRule restControllerNaming =
         classes().that().areAnnotatedWith(RestController.class).should().haveSimpleNameEndingWith("Controller");
 
+    @ArchTest
+    @SuppressWarnings("unused")
+    static final ArchRule restControllerMethods = classes()
+            .that().areAnnotatedWith(RestController.class)
+            .and().resideOutsideOfPackages("net.hostsharing.hsadminng.rbac.test", "net.hostsharing.hsadminng.rbac.test.*")
+            .should(haveAllPublicMethodsAnnotatedWith(Timed.class));
+
     @ArchTest
     @SuppressWarnings("unused")
     static final ArchRule repositoryNaming =
         classes().that().areAssignableTo(Repository.class).should().haveSimpleNameEndingWith("Repository");
 
+    @ArchTest
+    @SuppressWarnings("unused")
+    static final ArchRule repositoryMethods = classes()
+            .that().areAssignableTo(Repository.class)
+            .and().resideOutsideOfPackages("net.hostsharing.hsadminng.rbac.test", "net.hostsharing.hsadminng.rbac.test.*")
+            .should(haveAllPublicMethodsAnnotatedWith(Timed.class));
+
     @ArchTest
     @SuppressWarnings("unused")
     static final ArchRule tableNamesOfRbacEntitiesShouldEndWith_rv =
@@ -389,4 +406,35 @@ public class ArchitectureTest {
             }
         };
     }
+
+    private static ArchCondition<JavaClass> haveAllPublicMethodsAnnotatedWith(Class<? extends Annotation> annotation) {
+        return new ArchCondition<>("have all public methods annotated with @" + annotation.getSimpleName()) {
+            @Override
+            public void check(final JavaClass item, final ConditionEvents events) {
+                for (JavaMethod method : item.getMethods()) {
+                    if (method.isAnnotatedWith(annotation)) {
+                        continue;
+                    }
+                    if (isGeneratedSpringRepositoryMethod(item, method)) {
+                        continue;
+                    }
+                    if (item.isAnnotatedWith(RestController.class) && !method.getModifiers().contains(PUBLIC)) {
+                        continue;
+                    }
+                    final var message = String.format(
+                            "Method %s in class %s is not annotated with @%s",
+                            method.getName(),
+                            item.getName(),
+                            annotation.getSimpleName()
+                    );
+                    events.add(SimpleConditionEvent.violated(method, message));
+                }
+            }
+        };
+    }
+
+    private static boolean isGeneratedSpringRepositoryMethod(final JavaClass item, final JavaMethod method) {
+        // this is a heuristic, ideally we can determine all methods with generated database calls
+        return item.isAssignableTo(Repository.class) && !method.getModifiers().contains(JavaModifier.ABSTRACT);
+    }
 }
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerAcceptanceTest.java b/src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerAcceptanceTest.java
index ea433e71..120f62f5 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerAcceptanceTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerAcceptanceTest.java
@@ -139,10 +139,10 @@ class HsBookingItemControllerAcceptanceTest extends ContextBasedTestWithCleanup
 
     @Nested
     @Order(3)
-    class AddBookingItem {
+    class PostNewBookingItem {
 
         @Test
-        void globalAdmin_canAddBookingItem() {
+        void globalAdmin_canPostNewBookingItem() {
 
             context.define("superuser-alex@hostsharing.net");
             final var givenProject = findDefaultProjectOfDebitorNumber(1000111);
@@ -349,7 +349,7 @@ class HsBookingItemControllerAcceptanceTest extends ContextBasedTestWithCleanup
         }
 
         @Test
-        void projectAgent_canAddBookingItemEvenIfHostingAssetCreationFails() {
+        void projectAgent_canPostNewBookingItemEvenIfHostingAssetCreationFails() {
 
             context.define("superuser-alex@hostsharing.net", "hs_booking.project#D-1000111-D-1000111defaultproject:AGENT");
             final var givenProject = findDefaultProjectOfDebitorNumber(1000111);
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerRestTest.java b/src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerRestTest.java
index 06e51a24..77e0abc8 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerRestTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerRestTest.java
@@ -84,7 +84,7 @@ class HsBookingItemControllerRestTest {
     }
 
     @Nested
-    class AddBookingItem {
+    class PostNewBookingItem {
 
         @Test
         void globalAdmin_canAddValidBookingItem() throws Exception {
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectControllerAcceptanceTest.java b/src/test/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectControllerAcceptanceTest.java
index d2860219..737cc0a2 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectControllerAcceptanceTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectControllerAcceptanceTest.java
@@ -79,10 +79,10 @@ class HsBookingProjectControllerAcceptanceTest extends ContextBasedTestWithClean
     }
 
     @Nested
-    class AddBookingProject {
+    class PostNewBookingProject {
 
         @Test
-        void globalAdmin_canAddBookingProject() {
+        void globalAdmin_canPostNewBookingProject() {
 
             context.define("superuser-alex@hostsharing.net");
             final var givenDebitor = debitorRepo.findByDebitorNumber(1000111).stream()
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerAcceptanceTest.java b/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerAcceptanceTest.java
index 5b732b68..2d493fd0 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerAcceptanceTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerAcceptanceTest.java
@@ -76,7 +76,7 @@ class HsHostingAssetControllerAcceptanceTest extends ContextBasedTestWithCleanup
 
     @Nested
     @Order(2)
-    class ListAssets {
+    class GetListOfHostingAssets {
 
         @Test
         void globalAdmin_canViewAllAssetsOfArbitraryDebitor() {
@@ -146,7 +146,7 @@ class HsHostingAssetControllerAcceptanceTest extends ContextBasedTestWithCleanup
 
     @Nested
     @Order(3)
-    class AddAsset {
+    class PostNewHostingAsset {
 
         @Test
         void globalAdmin_canAddBookedAsset() {
@@ -481,7 +481,7 @@ class HsHostingAssetControllerAcceptanceTest extends ContextBasedTestWithCleanup
 
     @Nested
     @Order(4)
-    class PatchAsset {
+    class PatchHostingAsset {
 
         @Test
         void globalAdmin_canPatchAllUpdatablePropertiesOfAsset() {
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerRestTest.java b/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerRestTest.java
index 45fd83c4..5aad9e2f 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerRestTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerRestTest.java
@@ -583,7 +583,7 @@ public class HsHostingAssetControllerRestTest {
 
     @ParameterizedTest
     @EnumSource(HsHostingAssetControllerRestTest.ListTestCases.class)
-    void shouldListAssets(final HsHostingAssetControllerRestTest.ListTestCases testCase) throws Exception {
+    void shouldGetListOfHostingAssets(final HsHostingAssetControllerRestTest.ListTestCases testCase) throws Exception {
         // given
         when(rbacAssetRepo.findAllByCriteria(null, null, testCase.assetType))
                 .thenReturn(testCase.givenHostingAssetsOfType);
@@ -607,7 +607,7 @@ public class HsHostingAssetControllerRestTest {
     }
 
     @Test
-    void shouldPatchAsset() throws Exception {
+    void shouldPatchHostingAsset() throws Exception {
         // given
         final var givenDomainSetup = HsHostingAssetRealEntity.builder()
                 .type(HsHostingAssetType.DOMAIN_SETUP)
diff --git a/src/test/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantControllerAcceptanceTest.java b/src/test/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantControllerAcceptanceTest.java
index db13757e..e2460d05 100644
--- a/src/test/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantControllerAcceptanceTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/rbac/grant/RbacGrantControllerAcceptanceTest.java
@@ -161,7 +161,7 @@ class RbacGrantControllerAcceptanceTest extends ContextBasedTest {
     }
 
     @Nested
-    class GetGrantById {
+    class GetListOfGrantsByUuid {
 
         @Test
         void customerAdmin_withAssumedPacketAdminRole_canReadPacketAdminsGrantById() {
@@ -171,7 +171,7 @@ class RbacGrantControllerAcceptanceTest extends ContextBasedTest {
             final var givenGrantedRole = getRbacRoleByName("rbactest.package#xxx00:ADMIN");
 
             // when
-            final var grant = givencurrentSubjectAsPackageAdmin.getGrantById()
+            final var grant = givencurrentSubjectAsPackageAdmin.getListOfGrantsByUuid()
                     .forGrantedRole(givenGrantedRole).toGranteeUser(givenGranteeUser);
 
             // then
@@ -190,7 +190,7 @@ class RbacGrantControllerAcceptanceTest extends ContextBasedTest {
             final var givenGrantedRole = getRbacRoleByName("rbactest.package#xxx00:ADMIN");
 
             // when
-            final var grant = givencurrentSubjectAsPackageAdmin.getGrantById()
+            final var grant = givencurrentSubjectAsPackageAdmin.getListOfGrantsByUuid()
                     .forGrantedRole(givenGrantedRole).toGranteeUser(givenGranteeUser);
 
             // then
@@ -211,7 +211,7 @@ class RbacGrantControllerAcceptanceTest extends ContextBasedTest {
             final var givenGrantedRole = getRbacRoleByName("rbactest.package#xxx00:ADMIN");
 
             // when
-            final var grant = givencurrentSubjectAsPackageAdmin.getGrantById()
+            final var grant = givencurrentSubjectAsPackageAdmin.getListOfGrantsByUuid()
                     .forGrantedRole(givenGrantedRole).toGranteeUser(givenGranteeUser);
 
             // then
@@ -231,7 +231,7 @@ class RbacGrantControllerAcceptanceTest extends ContextBasedTest {
                     "rbactest.package#xxx00:TENANT");
             final var givenGranteeUser = findRbacSubjectByName("pac-admin-xxx00@xxx.example.com");
             final var givenGrantedRole = getRbacRoleByName("rbactest.package#xxx00:ADMIN");
-            final var grant = givencurrentSubjectAsPackageAdmin.getGrantById()
+            final var grant = givencurrentSubjectAsPackageAdmin.getListOfGrantsByUuid()
                     .forGrantedRole(givenGrantedRole).toGranteeUser(givenGranteeUser);
 
             // then
@@ -360,8 +360,8 @@ class RbacGrantControllerAcceptanceTest extends ContextBasedTest {
             return new RevokeFixture(givenOwnPackageAdminRole);
         }
 
-        GetGrantByIdFixture getGrantById() {
-            return new GetGrantByIdFixture();
+        GetListOfGrantsByUuidFixture getListOfGrantsByUuid() {
+            return new GetListOfGrantsByUuidFixture();
         }
 
         class GrantFixture {
@@ -443,12 +443,12 @@ class RbacGrantControllerAcceptanceTest extends ContextBasedTest {
             }
         }
 
-        private class GetGrantByIdFixture {
+        private class GetListOfGrantsByUuidFixture {
 
             private Subject currentSubject = Subject.this;
             private RbacRoleEntity grantedRole;
 
-            GetGrantByIdFixture forGrantedRole(final RbacRoleEntity grantedRole) {
+            GetListOfGrantsByUuidFixture forGrantedRole(final RbacRoleEntity grantedRole) {
                 this.grantedRole = grantedRole;
                 return this;
             }
diff --git a/src/test/java/net/hostsharing/hsadminng/rbac/role/RawRbacObjectRepository.java b/src/test/java/net/hostsharing/hsadminng/rbac/role/RawRbacObjectRepository.java
index bda22795..dba24973 100644
--- a/src/test/java/net/hostsharing/hsadminng/rbac/role/RawRbacObjectRepository.java
+++ b/src/test/java/net/hostsharing/hsadminng/rbac/role/RawRbacObjectRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.role;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -7,5 +8,6 @@ import java.util.UUID;
 
 public interface RawRbacObjectRepository extends Repository<RawRbacObjectEntity, UUID> {
 
+    @Timed("app.rbac.objects.repo.findAll.real")
     List<RawRbacObjectEntity> findAll();
 }
diff --git a/src/test/java/net/hostsharing/hsadminng/rbac/role/RawRbacRoleRepository.java b/src/test/java/net/hostsharing/hsadminng/rbac/role/RawRbacRoleRepository.java
index 029e1360..f9f629ce 100644
--- a/src/test/java/net/hostsharing/hsadminng/rbac/role/RawRbacRoleRepository.java
+++ b/src/test/java/net/hostsharing/hsadminng/rbac/role/RawRbacRoleRepository.java
@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.rbac.role;
 
+import io.micrometer.core.annotation.Timed;
 import org.springframework.data.repository.Repository;
 
 import java.util.List;
@@ -7,5 +8,6 @@ import java.util.UUID;
 
 public interface RawRbacRoleRepository extends Repository<RawRbacRoleEntity, UUID> {
 
+    @Timed("app.rbac.roles.repo.findAll.real")
     List<RawRbacRoleEntity> findAll();
 }
diff --git a/src/test/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectControllerRestTest.java b/src/test/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectControllerRestTest.java
index 1b96029b..e788c34b 100644
--- a/src/test/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectControllerRestTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectControllerRestTest.java
@@ -45,7 +45,7 @@ class RbacSubjectControllerRestTest {
 
 
     @Test
-    void createSubjectUsesGivenUuid() throws Exception {
+    void postNewSubjectUsesGivenUuid() throws Exception {
         // given
         final var givenUuid = UUID.randomUUID();
 
@@ -69,7 +69,7 @@ class RbacSubjectControllerRestTest {
     }
 
     @Test
-    void createSubjectGeneratesRandomUuidIfNotGiven() throws Exception {
+    void postNewSubjectGeneratesRandomUuidIfNotGiven() throws Exception {
         // when
         mockMvc.perform(MockMvcRequestBuilders
                         .post("/api/rbac/subjects")
diff --git a/src/test/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectRepositoryIntegrationTest.java b/src/test/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectRepositoryIntegrationTest.java
index c60142d5..ea72ce14 100644
--- a/src/test/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectRepositoryIntegrationTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/rbac/subject/RbacSubjectRepositoryIntegrationTest.java
@@ -41,7 +41,7 @@ class RbacSubjectRepositoryIntegrationTest extends ContextBasedTest {
     HttpServletRequest request;
 
     @Nested
-    class CreateSubject {
+    class PostNewSubject {
 
         @Test
         @Transactional(propagation = Propagation.NEVER)
@@ -178,7 +178,7 @@ class RbacSubjectRepositoryIntegrationTest extends ContextBasedTest {
     }
 
     @Nested
-    class ListSubjectPermissions {
+    class GetListOfSubjectPermissions {
 
         private static final String[] ALL_USER_PERMISSIONS = Array.of(
                 // @formatter:off