diff --git a/server/src/enum.ts b/server/src/enum.ts
index 27cab3fb5e..b603d7a3a7 100644
--- a/server/src/enum.ts
+++ b/server/src/enum.ts
@@ -920,6 +920,8 @@ export enum DatabaseLock {
   MaintenanceOperation = 621,
   MemoryCreation = 777,
   VersionCheck = 800,
+  FacialRecognition = 900,
+  DuplicateDetection = 1000,
 }
 
 export enum MaintenanceAction {
diff --git a/server/src/services/duplicate.service.ts b/server/src/services/duplicate.service.ts
index 6e9e62ba0b..f854796b69 100644
--- a/server/src/services/duplicate.service.ts
+++ b/server/src/services/duplicate.service.ts
@@ -5,7 +5,7 @@ import { BulkIdErrorReason, BulkIdResponseDto, BulkIdsDto } from 'src/dtos/asset
 import { MapAsset, mapAsset } from 'src/dtos/asset-response.dto';
 import { AuthDto } from 'src/dtos/auth.dto';
 import { DuplicateResolveDto, DuplicateResolveGroupDto, DuplicateResponseDto } from 'src/dtos/duplicate.dto';
-import { AssetStatus, AssetVisibility, JobName, JobStatus, Permission, QueueName } from 'src/enum';
+import { AssetStatus, AssetVisibility, DatabaseLock, JobName, JobStatus, Permission, QueueName } from 'src/enum';
 import { AssetDuplicateResult } from 'src/repositories/search.repository';
 import { BaseService } from 'src/services/base.service';
 import { JobItem, JobOf } from 'src/types';
@@ -326,60 +326,62 @@ export class DuplicateService extends BaseService {
 
   @OnJob({ name: JobName.AssetDetectDuplicates, queue: QueueName.DuplicateDetection })
   async handleSearchDuplicates({ id }: JobOf<JobName.AssetDetectDuplicates>): Promise<JobStatus> {
-    const { machineLearning } = await this.getConfig({ withCache: true });
-    if (!isDuplicateDetectionEnabled(machineLearning)) {
-      return JobStatus.Skipped;
-    }
+    return this.databaseRepository.withLock(DatabaseLock.DuplicateDetection, async () => {
+      const { machineLearning } = await this.getConfig({ withCache: true });
+      if (!isDuplicateDetectionEnabled(machineLearning)) {
+        return JobStatus.Skipped;
+      }
 
-    const asset = await this.assetJobRepository.getForSearchDuplicatesJob(id);
-    if (!asset) {
-      this.logger.error(`Asset ${id} not found`);
-      return JobStatus.Failed;
-    }
+      const asset = await this.assetJobRepository.getForSearchDuplicatesJob(id);
+      if (!asset) {
+        this.logger.error(`Asset ${id} not found`);
+        return JobStatus.Failed;
+      }
 
-    if (asset.stackId) {
-      this.logger.debug(`Asset ${id} is part of a stack, skipping`);
-      return JobStatus.Skipped;
-    }
+      if (asset.stackId) {
+        this.logger.debug(`Asset ${id} is part of a stack, skipping`);
+        return JobStatus.Skipped;
+      }
 
-    if (asset.visibility === AssetVisibility.Hidden) {
-      this.logger.debug(`Asset ${id} is not visible, skipping`);
-      return JobStatus.Skipped;
-    }
+      if (asset.visibility === AssetVisibility.Hidden) {
+        this.logger.debug(`Asset ${id} is not visible, skipping`);
+        return JobStatus.Skipped;
+      }
 
-    if (asset.visibility === AssetVisibility.Locked) {
-      this.logger.debug(`Asset ${id} is locked, skipping`);
-      return JobStatus.Skipped;
-    }
+      if (asset.visibility === AssetVisibility.Locked) {
+        this.logger.debug(`Asset ${id} is locked, skipping`);
+        return JobStatus.Skipped;
+      }
 
-    if (!asset.embedding) {
-      this.logger.debug(`Asset ${id} is missing embedding`);
-      return JobStatus.Failed;
-    }
+      if (!asset.embedding) {
+        this.logger.debug(`Asset ${id} is missing embedding`);
+        return JobStatus.Failed;
+      }
 
-    const duplicateAssets = await this.duplicateRepository.search({
-      assetId: asset.id,
-      embedding: asset.embedding,
-      maxDistance: machineLearning.duplicateDetection.maxDistance,
-      type: asset.type,
-      userIds: [asset.ownerId],
+      const duplicateAssets = await this.duplicateRepository.search({
+        assetId: asset.id,
+        embedding: asset.embedding,
+        maxDistance: machineLearning.duplicateDetection.maxDistance,
+        type: asset.type,
+        userIds: [asset.ownerId],
+      });
+
+      let assetIds = [asset.id];
+      if (duplicateAssets.length > 0) {
+        this.logger.debug(
+          `Found ${duplicateAssets.length} duplicate${duplicateAssets.length === 1 ? '' : 's'} for asset ${asset.id}`,
+        );
+        assetIds = await this.updateDuplicates(asset, duplicateAssets);
+      } else if (asset.duplicateId) {
+        this.logger.debug(`No duplicates found for asset ${asset.id}, removing duplicateId`);
+        await this.assetRepository.update({ id: asset.id, duplicateId: null });
+      }
+
+      const duplicatesDetectedAt = new Date();
+      await this.assetRepository.upsertJobStatus(...assetIds.map((assetId) => ({ assetId, duplicatesDetectedAt })));
+
+      return JobStatus.Success;
     });
-
-    let assetIds = [asset.id];
-    if (duplicateAssets.length > 0) {
-      this.logger.debug(
-        `Found ${duplicateAssets.length} duplicate${duplicateAssets.length === 1 ? '' : 's'} for asset ${asset.id}`,
-      );
-      assetIds = await this.updateDuplicates(asset, duplicateAssets);
-    } else if (asset.duplicateId) {
-      this.logger.debug(`No duplicates found for asset ${asset.id}, removing duplicateId`);
-      await this.assetRepository.update({ id: asset.id, duplicateId: null });
-    }
-
-    const duplicatesDetectedAt = new Date();
-    await this.assetRepository.upsertJobStatus(...assetIds.map((assetId) => ({ assetId, duplicatesDetectedAt })));
-
-    return JobStatus.Success;
   }
 
   private async updateDuplicates(
diff --git a/server/src/services/person.service.ts b/server/src/services/person.service.ts
index fde5313f4d..e2a92a7f3b 100644
--- a/server/src/services/person.service.ts
+++ b/server/src/services/person.service.ts
@@ -25,6 +25,7 @@ import {
 import {
   AssetVisibility,
   CacheControl,
+  DatabaseLock,
   JobName,
   JobStatus,
   Permission,
@@ -402,144 +403,148 @@ export class PersonService extends BaseService {
 
   @OnJob({ name: JobName.FacialRecognitionQueueAll, queue: QueueName.FacialRecognition })
   async handleQueueRecognizeFaces({ force, nightly }: JobOf<JobName.FacialRecognitionQueueAll>): Promise<JobStatus> {
-    const { machineLearning } = await this.getConfig({ withCache: false });
-    if (!isFacialRecognitionEnabled(machineLearning)) {
-      return JobStatus.Skipped;
-    }
-
-    await this.jobRepository.waitForQueueCompletion(QueueName.ThumbnailGeneration, QueueName.FaceDetection);
-
-    if (nightly) {
-      const [state, latestFaceDate] = await Promise.all([
-        this.systemMetadataRepository.get(SystemMetadataKey.FacialRecognitionState),
-        this.personRepository.getLatestFaceDate(),
-      ]);
-
-      if (state?.lastRun && latestFaceDate && state.lastRun > latestFaceDate) {
-        this.logger.debug('Skipping facial recognition nightly since no face has been added since the last run');
+    return this.databaseRepository.withLock(DatabaseLock.FacialRecognition, async () => {
+      const { machineLearning } = await this.getConfig({ withCache: false });
+      if (!isFacialRecognitionEnabled(machineLearning)) {
         return JobStatus.Skipped;
       }
-    }
 
-    const { waiting } = await this.jobRepository.getJobCounts(QueueName.FacialRecognition);
+      await this.jobRepository.waitForQueueCompletion(QueueName.ThumbnailGeneration, QueueName.FaceDetection);
 
-    if (force) {
-      await this.personRepository.unassignFaces({ sourceType: SourceType.MachineLearning });
-      await this.handlePersonCleanup();
-      await this.personRepository.vacuum({ reindexVectors: false });
-    } else if (waiting) {
-      this.logger.debug(
-        `Skipping facial recognition queueing because ${waiting} job${waiting > 1 ? 's are' : ' is'} already queued`,
-      );
-      return JobStatus.Skipped;
-    }
+      if (nightly) {
+        const [state, latestFaceDate] = await Promise.all([
+          this.systemMetadataRepository.get(SystemMetadataKey.FacialRecognitionState),
+          this.personRepository.getLatestFaceDate(),
+        ]);
 
-    await this.databaseRepository.prewarm(VectorIndex.Face);
-
-    const lastRun = new Date().toISOString();
-    const facePagination = this.personRepository.getAllFaces(
-      force ? undefined : { personId: null, sourceType: SourceType.MachineLearning },
-    );
-
-    let jobs: { name: JobName.FacialRecognition; data: { id: string; deferred: false } }[] = [];
-    for await (const face of facePagination) {
-      jobs.push({ name: JobName.FacialRecognition, data: { id: face.id, deferred: false } });
-
-      if (jobs.length === JOBS_ASSET_PAGINATION_SIZE) {
-        await this.jobRepository.queueAll(jobs);
-        jobs = [];
+        if (state?.lastRun && latestFaceDate && state.lastRun > latestFaceDate) {
+          this.logger.debug('Skipping facial recognition nightly since no face has been added since the last run');
+          return JobStatus.Skipped;
+        }
       }
-    }
 
-    await this.jobRepository.queueAll(jobs);
+      const { waiting } = await this.jobRepository.getJobCounts(QueueName.FacialRecognition);
 
-    await this.systemMetadataRepository.set(SystemMetadataKey.FacialRecognitionState, { lastRun });
+      if (force) {
+        await this.personRepository.unassignFaces({ sourceType: SourceType.MachineLearning });
+        await this.handlePersonCleanup();
+        await this.personRepository.vacuum({ reindexVectors: false });
+      } else if (waiting) {
+        this.logger.debug(
+          `Skipping facial recognition queueing because ${waiting} job${waiting > 1 ? 's are' : ' is'} already queued`,
+        );
+        return JobStatus.Skipped;
+      }
 
-    return JobStatus.Success;
+      await this.databaseRepository.prewarm(VectorIndex.Face);
+
+      const lastRun = new Date().toISOString();
+      const facePagination = this.personRepository.getAllFaces(
+        force ? undefined : { personId: null, sourceType: SourceType.MachineLearning },
+      );
+
+      let jobs: { name: JobName.FacialRecognition; data: { id: string; deferred: false } }[] = [];
+      for await (const face of facePagination) {
+        jobs.push({ name: JobName.FacialRecognition, data: { id: face.id, deferred: false } });
+
+        if (jobs.length === JOBS_ASSET_PAGINATION_SIZE) {
+          await this.jobRepository.queueAll(jobs);
+          jobs = [];
+        }
+      }
+
+      await this.jobRepository.queueAll(jobs);
+
+      await this.systemMetadataRepository.set(SystemMetadataKey.FacialRecognitionState, { lastRun });
+
+      return JobStatus.Success;
+    });
   }
 
   @OnJob({ name: JobName.FacialRecognition, queue: QueueName.FacialRecognition })
   async handleRecognizeFaces({ id, deferred }: JobOf<JobName.FacialRecognition>): Promise<JobStatus> {
-    const { machineLearning } = await this.getConfig({ withCache: true });
-    if (!isFacialRecognitionEnabled(machineLearning)) {
-      return JobStatus.Skipped;
-    }
+    return this.databaseRepository.withLock(DatabaseLock.FacialRecognition, async () => {
+      const { machineLearning } = await this.getConfig({ withCache: true });
+      if (!isFacialRecognitionEnabled(machineLearning)) {
+        return JobStatus.Skipped;
+      }
 
-    const face = await this.personRepository.getFaceForFacialRecognitionJob(id);
-    if (!face || !face.asset) {
-      this.logger.warn(`Face ${id} not found`);
-      return JobStatus.Failed;
-    }
+      const face = await this.personRepository.getFaceForFacialRecognitionJob(id);
+      if (!face || !face.asset) {
+        this.logger.warn(`Face ${id} not found`);
+        return JobStatus.Failed;
+      }
 
-    if (face.sourceType !== SourceType.MachineLearning) {
-      this.logger.warn(`Skipping face ${id} due to source ${face.sourceType}`);
-      return JobStatus.Skipped;
-    }
+      if (face.sourceType !== SourceType.MachineLearning) {
+        this.logger.warn(`Skipping face ${id} due to source ${face.sourceType}`);
+        return JobStatus.Skipped;
+      }
 
-    if (!face.faceSearch?.embedding) {
-      this.logger.warn(`Face ${id} does not have an embedding`);
-      return JobStatus.Failed;
-    }
+      if (!face.faceSearch?.embedding) {
+        this.logger.warn(`Face ${id} does not have an embedding`);
+        return JobStatus.Failed;
+      }
 
-    if (face.personId) {
-      this.logger.debug(`Face ${id} already has a person assigned`);
-      return JobStatus.Skipped;
-    }
+      if (face.personId) {
+        this.logger.debug(`Face ${id} already has a person assigned`);
+        return JobStatus.Skipped;
+      }
 
-    const matches = await this.searchRepository.searchFaces({
-      userIds: [face.asset.ownerId],
-      embedding: face.faceSearch.embedding,
-      maxDistance: machineLearning.facialRecognition.maxDistance,
-      numResults: machineLearning.facialRecognition.minFaces,
-      minBirthDate: new Date(face.asset.fileCreatedAt),
-    });
-
-    // `matches` also includes the face itself
-    if (machineLearning.facialRecognition.minFaces > 1 && matches.length <= 1) {
-      this.logger.debug(`Face ${id} only matched the face itself, skipping`);
-      return JobStatus.Skipped;
-    }
-
-    this.logger.debug(`Face ${id} has ${matches.length} matches`);
-
-    const isCore =
-      matches.length >= machineLearning.facialRecognition.minFaces &&
-      face.asset.visibility === AssetVisibility.Timeline;
-    if (!isCore && !deferred) {
-      this.logger.debug(`Deferring non-core face ${id} for later processing`);
-      await this.jobRepository.queue({ name: JobName.FacialRecognition, data: { id, deferred: true } });
-      return JobStatus.Skipped;
-    }
-
-    let personId = matches.find((match) => match.personId)?.personId;
-    if (!personId) {
-      const matchWithPerson = await this.searchRepository.searchFaces({
+      const matches = await this.searchRepository.searchFaces({
         userIds: [face.asset.ownerId],
         embedding: face.faceSearch.embedding,
         maxDistance: machineLearning.facialRecognition.maxDistance,
-        numResults: 1,
-        hasPerson: true,
+        numResults: machineLearning.facialRecognition.minFaces,
         minBirthDate: new Date(face.asset.fileCreatedAt),
       });
 
-      if (matchWithPerson.length > 0) {
-        personId = matchWithPerson[0].personId;
+      // `matches` also includes the face itself
+      if (machineLearning.facialRecognition.minFaces > 1 && matches.length <= 1) {
+        this.logger.debug(`Face ${id} only matched the face itself, skipping`);
+        return JobStatus.Skipped;
       }
-    }
 
-    if (isCore && !personId) {
-      this.logger.log(`Creating new person for face ${id}`);
-      const newPerson = await this.personRepository.create({ ownerId: face.asset.ownerId, faceAssetId: face.id });
-      await this.jobRepository.queue({ name: JobName.PersonGenerateThumbnail, data: { id: newPerson.id } });
-      personId = newPerson.id;
-    }
+      this.logger.debug(`Face ${id} has ${matches.length} matches`);
 
-    if (personId) {
-      this.logger.debug(`Assigning face ${id} to person ${personId}`);
-      await this.personRepository.reassignFaces({ faceIds: [id], newPersonId: personId });
-    }
+      const isCore =
+        matches.length >= machineLearning.facialRecognition.minFaces &&
+        face.asset.visibility === AssetVisibility.Timeline;
+      if (!isCore && !deferred) {
+        this.logger.debug(`Deferring non-core face ${id} for later processing`);
+        await this.jobRepository.queue({ name: JobName.FacialRecognition, data: { id, deferred: true } });
+        return JobStatus.Skipped;
+      }
 
-    return JobStatus.Success;
+      let personId = matches.find((match) => match.personId)?.personId;
+      if (!personId) {
+        const matchWithPerson = await this.searchRepository.searchFaces({
+          userIds: [face.asset.ownerId],
+          embedding: face.faceSearch.embedding,
+          maxDistance: machineLearning.facialRecognition.maxDistance,
+          numResults: 1,
+          hasPerson: true,
+          minBirthDate: new Date(face.asset.fileCreatedAt),
+        });
+
+        if (matchWithPerson.length > 0) {
+          personId = matchWithPerson[0].personId;
+        }
+      }
+
+      if (isCore && !personId) {
+        this.logger.log(`Creating new person for face ${id}`);
+        const newPerson = await this.personRepository.create({ ownerId: face.asset.ownerId, faceAssetId: face.id });
+        await this.jobRepository.queue({ name: JobName.PersonGenerateThumbnail, data: { id: newPerson.id } });
+        personId = newPerson.id;
+      }
+
+      if (personId) {
+        this.logger.debug(`Assigning face ${id} to person ${personId}`);
+        await this.personRepository.reassignFaces({ faceIds: [id], newPersonId: personId });
+      }
+
+      return JobStatus.Success;
+    });
   }
 
   @OnJob({ name: JobName.PersonFileMigration, queue: QueueName.Migration })