enhance(backend): graceful shutdown for job queue and refactor

7 files changed, 128 insertions, 186 deletions

diff --git a/packages/backend/src/core/QueueModule.ts b/packages/backend/src/core/QueueModule.ts
index d4905a5f88..1d73947776 100644
--- a/packages/backend/src/core/QueueModule.ts
+++ b/packages/backend/src/core/QueueModule.ts
@@ -1,4 +1,5 @@
-import { Module } from '@nestjs/common';
+import { setTimeout } from 'node:timers/promises';
+import { Inject, Module, OnApplicationShutdown } from '@nestjs/common';
 import Bull from 'bull';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
@@ -41,9 +42,9 @@ export type SystemQueue = Bull.Queue<Record<string, unknown>>;
 export type EndedPollNotificationQueue = Bull.Queue<EndedPollNotificationJobData>;
 export type DeliverQueue = Bull.Queue<DeliverJobData>;
 export type InboxQueue = Bull.Queue<InboxJobData>;
-export type DbQueue = Bull.Queue<DbJobData<keyof DbJobMap>>;
+export type DbQueue = Bull.Queue;
 export type RelationshipQueue = Bull.Queue<RelationshipJobData>;
-export type ObjectStorageQueue = Bull.Queue<ObjectStorageJobData>;
+export type ObjectStorageQueue = Bull.Queue;
 export type WebhookDeliverQueue = Bull.Queue<WebhookDeliverJobData>;
 
 const $system: Provider = {
@@ -118,4 +119,36 @@ const $webhookDeliver: Provider = {
 		$webhookDeliver,
 	],
 })
-export class QueueModule {}
+export class QueueModule implements OnApplicationShutdown {
+	constructor(
+		@Inject('queue:system') public systemQueue: SystemQueue,
+		@Inject('queue:endedPollNotification') public endedPollNotificationQueue: EndedPollNotificationQueue,
+		@Inject('queue:deliver') public deliverQueue: DeliverQueue,
+		@Inject('queue:inbox') public inboxQueue: InboxQueue,
+		@Inject('queue:db') public dbQueue: DbQueue,
+		@Inject('queue:relationship') public relationshipQueue: RelationshipQueue,
+		@Inject('queue:objectStorage') public objectStorageQueue: ObjectStorageQueue,
+		@Inject('queue:webhookDeliver') public webhookDeliverQueue: WebhookDeliverQueue,
+	) {}
+
+	async onApplicationShutdown(signal: string): Promise<void> {
+		if (process.env.NODE_ENV === 'test') {
+			// XXX:
+			// Shutting down the existing connections causes errors on Jest as
+			// Misskey has asynchronous postgres/redis connections that are not
+			// awaited.
+			// Let's wait for some random time for them to finish.
+			await setTimeout(5000);
+		}
+		await Promise.all([
+			this.systemQueue.close(),
+			this.endedPollNotificationQueue.close(),
+			this.deliverQueue.close(),
+			this.inboxQueue.close(),
+			this.dbQueue.close(),
+			this.relationshipQueue.close(),
+			this.objectStorageQueue.close(),
+			this.webhookDeliverQueue.close(),
+		]);
+	}
+}
diff --git a/packages/backend/src/queue/DbQueueProcessorsService.ts b/packages/backend/src/queue/DbQueueProcessorsService.ts
deleted file mode 100644
index df8ac3a301..0000000000
--- a/packages/backend/src/queue/DbQueueProcessorsService.ts
+++ /dev/null
@@ -1,69 +0,0 @@
-import { Inject, Injectable } from '@nestjs/common';
-import { DI } from '@/di-symbols.js';
-import type { Config } from '@/config.js';
-import { bindThis } from '@/decorators.js';
-import { DeleteDriveFilesProcessorService } from './processors/DeleteDriveFilesProcessorService.js';
-import { ExportCustomEmojisProcessorService } from './processors/ExportCustomEmojisProcessorService.js';
-import { ExportNotesProcessorService } from './processors/ExportNotesProcessorService.js';
-import { ExportFollowingProcessorService } from './processors/ExportFollowingProcessorService.js';
-import { ExportMutingProcessorService } from './processors/ExportMutingProcessorService.js';
-import { ExportBlockingProcessorService } from './processors/ExportBlockingProcessorService.js';
-import { ExportUserListsProcessorService } from './processors/ExportUserListsProcessorService.js';
-import { ExportAntennasProcessorService } from './processors/ExportAntennasProcessorService.js';
-import { ImportFollowingProcessorService } from './processors/ImportFollowingProcessorService.js';
-import { ImportMutingProcessorService } from './processors/ImportMutingProcessorService.js';
-import { ImportBlockingProcessorService } from './processors/ImportBlockingProcessorService.js';
-import { ImportUserListsProcessorService } from './processors/ImportUserListsProcessorService.js';
-import { ImportCustomEmojisProcessorService } from './processors/ImportCustomEmojisProcessorService.js';
-import { ImportAntennasProcessorService } from './processors/ImportAntennasProcessorService.js';
-import { DeleteAccountProcessorService } from './processors/DeleteAccountProcessorService.js';
-import { ExportFavoritesProcessorService } from './processors/ExportFavoritesProcessorService.js';
-import type Bull from 'bull';
-
-@Injectable()
-export class DbQueueProcessorsService {
-	constructor(
-		@Inject(DI.config)
-		private config: Config,
-
-		private deleteDriveFilesProcessorService: DeleteDriveFilesProcessorService,
-		private exportCustomEmojisProcessorService: ExportCustomEmojisProcessorService,
-		private exportNotesProcessorService: ExportNotesProcessorService,
-		private exportFavoritesProcessorService: ExportFavoritesProcessorService,
-		private exportFollowingProcessorService: ExportFollowingProcessorService,
-		private exportMutingProcessorService: ExportMutingProcessorService,
-		private exportBlockingProcessorService: ExportBlockingProcessorService,
-		private exportUserListsProcessorService: ExportUserListsProcessorService,
-		private exportAntennasProcessorService: ExportAntennasProcessorService,
-		private importFollowingProcessorService: ImportFollowingProcessorService,
-		private importMutingProcessorService: ImportMutingProcessorService,
-		private importBlockingProcessorService: ImportBlockingProcessorService,
-		private importUserListsProcessorService: ImportUserListsProcessorService,
-		private importCustomEmojisProcessorService: ImportCustomEmojisProcessorService,
-		private importAntennasProcessorService: ImportAntennasProcessorService,
-		private deleteAccountProcessorService: DeleteAccountProcessorService,
-	) {
-	}
-
-	@bindThis
-	public start(q: Bull.Queue): void {
-		q.process('deleteDriveFiles', (job, done) => this.deleteDriveFilesProcessorService.process(job, done));
-		q.process('exportCustomEmojis', (job, done) => this.exportCustomEmojisProcessorService.process(job, done));
-		q.process('exportNotes', (job, done) => this.exportNotesProcessorService.process(job, done));
-		q.process('exportFavorites', (job, done) => this.exportFavoritesProcessorService.process(job, done));
-		q.process('exportFollowing', (job, done) => this.exportFollowingProcessorService.process(job, done));
-		q.process('exportMuting', (job, done) => this.exportMutingProcessorService.process(job, done));
-		q.process('exportBlocking', (job, done) => this.exportBlockingProcessorService.process(job, done));
-		q.process('exportUserLists', (job, done) => this.exportUserListsProcessorService.process(job, done));
-		q.process('exportAntennas', (job, done) => this.exportAntennasProcessorService.process(job, done));
-		q.process('importFollowing', (job, done) => this.importFollowingProcessorService.process(job, done));
-		q.process('importFollowingToDb', (job) => this.importFollowingProcessorService.processDb(job));
-		q.process('importMuting', (job, done) => this.importMutingProcessorService.process(job, done));
-		q.process('importBlocking', (job, done) => this.importBlockingProcessorService.process(job, done));
-		q.process('importBlockingToDb', (job) => this.importBlockingProcessorService.processDb(job));
-		q.process('importUserLists', (job, done) => this.importUserListsProcessorService.process(job, done));
-		q.process('importCustomEmojis', (job, done) => this.importCustomEmojisProcessorService.process(job, done));
-		q.process('importAntennas', (job, done) => this.importAntennasProcessorService.process(job, done));
-		q.process('deleteAccount', (job) => this.deleteAccountProcessorService.process(job));
-	}
-}
diff --git a/packages/backend/src/queue/ObjectStorageQueueProcessorsService.ts b/packages/backend/src/queue/ObjectStorageQueueProcessorsService.ts
deleted file mode 100644
index 865e47c3f8..0000000000
--- a/packages/backend/src/queue/ObjectStorageQueueProcessorsService.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import { Inject, Injectable } from '@nestjs/common';
-import { DI } from '@/di-symbols.js';
-import type { Config } from '@/config.js';
-import { CleanRemoteFilesProcessorService } from './processors/CleanRemoteFilesProcessorService.js';
-import { DeleteFileProcessorService } from './processors/DeleteFileProcessorService.js';
-import type Bull from 'bull';
-import { bindThis } from '@/decorators.js';
-
-@Injectable()
-export class ObjectStorageQueueProcessorsService {
-	constructor(
-		@Inject(DI.config)
-		private config: Config,
-
-		private deleteFileProcessorService: DeleteFileProcessorService,
-		private cleanRemoteFilesProcessorService: CleanRemoteFilesProcessorService,
-	) {
-	}
-
-	@bindThis
-	public start(q: Bull.Queue): void {
-		q.process('deleteFile', 16, (job) => this.deleteFileProcessorService.process(job));
-		q.process('cleanRemoteFiles', 16, (job, done) => this.cleanRemoteFilesProcessorService.process(job, done));
-	}
-}
diff --git a/packages/backend/src/queue/QueueProcessorModule.ts b/packages/backend/src/queue/QueueProcessorModule.ts
index 3d4cc77321..e1c6b93d9b 100644
--- a/packages/backend/src/queue/QueueProcessorModule.ts
+++ b/packages/backend/src/queue/QueueProcessorModule.ts
@@ -3,14 +3,10 @@ import { CoreModule } from '@/core/CoreModule.js';
 import { GlobalModule } from '@/GlobalModule.js';
 import { QueueLoggerService } from './QueueLoggerService.js';
 import { QueueProcessorService } from './QueueProcessorService.js';
-import { DbQueueProcessorsService } from './DbQueueProcessorsService.js';
-import { RelationshipQueueProcessorsService } from './RelationshipQueueProcessorsService.js';
-import { ObjectStorageQueueProcessorsService } from './ObjectStorageQueueProcessorsService.js';
 import { DeliverProcessorService } from './processors/DeliverProcessorService.js';
 import { EndedPollNotificationProcessorService } from './processors/EndedPollNotificationProcessorService.js';
 import { InboxProcessorService } from './processors/InboxProcessorService.js';
 import { WebhookDeliverProcessorService } from './processors/WebhookDeliverProcessorService.js';
-import { SystemQueueProcessorsService } from './SystemQueueProcessorsService.js';
 import { CheckExpiredMutingsProcessorService } from './processors/CheckExpiredMutingsProcessorService.js';
 import { CleanChartsProcessorService } from './processors/CleanChartsProcessorService.js';
 import { CleanProcessorService } from './processors/CleanProcessorService.js';
@@ -68,10 +64,6 @@ import { RelationshipProcessorService } from './processors/RelationshipProcessor
 		DeleteFileProcessorService,
 		CleanRemoteFilesProcessorService,
 		RelationshipProcessorService,
-		SystemQueueProcessorsService,
-		ObjectStorageQueueProcessorsService,
-		DbQueueProcessorsService,
-		RelationshipQueueProcessorsService,
 		WebhookDeliverProcessorService,
 		EndedPollNotificationProcessorService,
 		DeliverProcessorService,
diff --git a/packages/backend/src/queue/QueueProcessorService.ts b/packages/backend/src/queue/QueueProcessorService.ts
index 706110f6fc..dc025f9889 100644
--- a/packages/backend/src/queue/QueueProcessorService.ts
+++ b/packages/backend/src/queue/QueueProcessorService.ts
@@ -5,15 +5,36 @@ import type Logger from '@/logger.js';
 import { QueueService } from '@/core/QueueService.js';
 import { bindThis } from '@/decorators.js';
 import { getJobInfo } from './get-job-info.js';
-import { SystemQueueProcessorsService } from './SystemQueueProcessorsService.js';
-import { ObjectStorageQueueProcessorsService } from './ObjectStorageQueueProcessorsService.js';
-import { DbQueueProcessorsService } from './DbQueueProcessorsService.js';
 import { WebhookDeliverProcessorService } from './processors/WebhookDeliverProcessorService.js';
 import { EndedPollNotificationProcessorService } from './processors/EndedPollNotificationProcessorService.js';
 import { DeliverProcessorService } from './processors/DeliverProcessorService.js';
 import { InboxProcessorService } from './processors/InboxProcessorService.js';
+import { DeleteDriveFilesProcessorService } from './processors/DeleteDriveFilesProcessorService.js';
+import { ExportCustomEmojisProcessorService } from './processors/ExportCustomEmojisProcessorService.js';
+import { ExportNotesProcessorService } from './processors/ExportNotesProcessorService.js';
+import { ExportFollowingProcessorService } from './processors/ExportFollowingProcessorService.js';
+import { ExportMutingProcessorService } from './processors/ExportMutingProcessorService.js';
+import { ExportBlockingProcessorService } from './processors/ExportBlockingProcessorService.js';
+import { ExportUserListsProcessorService } from './processors/ExportUserListsProcessorService.js';
+import { ExportAntennasProcessorService } from './processors/ExportAntennasProcessorService.js';
+import { ImportFollowingProcessorService } from './processors/ImportFollowingProcessorService.js';
+import { ImportMutingProcessorService } from './processors/ImportMutingProcessorService.js';
+import { ImportBlockingProcessorService } from './processors/ImportBlockingProcessorService.js';
+import { ImportUserListsProcessorService } from './processors/ImportUserListsProcessorService.js';
+import { ImportCustomEmojisProcessorService } from './processors/ImportCustomEmojisProcessorService.js';
+import { ImportAntennasProcessorService } from './processors/ImportAntennasProcessorService.js';
+import { DeleteAccountProcessorService } from './processors/DeleteAccountProcessorService.js';
+import { ExportFavoritesProcessorService } from './processors/ExportFavoritesProcessorService.js';
+import { CleanRemoteFilesProcessorService } from './processors/CleanRemoteFilesProcessorService.js';
+import { DeleteFileProcessorService } from './processors/DeleteFileProcessorService.js';
+import { RelationshipProcessorService } from './processors/RelationshipProcessorService.js';
+import { TickChartsProcessorService } from './processors/TickChartsProcessorService.js';
+import { ResyncChartsProcessorService } from './processors/ResyncChartsProcessorService.js';
+import { CleanChartsProcessorService } from './processors/CleanChartsProcessorService.js';
+import { CheckExpiredMutingsProcessorService } from './processors/CheckExpiredMutingsProcessorService.js';
+import { CleanProcessorService } from './processors/CleanProcessorService.js';
+import { AggregateRetentionProcessorService } from './processors/AggregateRetentionProcessorService.js';
 import { QueueLoggerService } from './QueueLoggerService.js';
-import { RelationshipQueueProcessorsService } from './RelationshipQueueProcessorsService.js';
 
 @Injectable()
 export class QueueProcessorService {
@@ -25,14 +46,35 @@ export class QueueProcessorService {
 
 		private queueLoggerService: QueueLoggerService,
 		private queueService: QueueService,
-		private systemQueueProcessorsService: SystemQueueProcessorsService,
-		private objectStorageQueueProcessorsService: ObjectStorageQueueProcessorsService,
-		private dbQueueProcessorsService: DbQueueProcessorsService,
-		private relationshipQueueProcessorsService: RelationshipQueueProcessorsService,
 		private webhookDeliverProcessorService: WebhookDeliverProcessorService,
 		private endedPollNotificationProcessorService: EndedPollNotificationProcessorService,
 		private deliverProcessorService: DeliverProcessorService,
 		private inboxProcessorService: InboxProcessorService,
+		private deleteDriveFilesProcessorService: DeleteDriveFilesProcessorService,
+		private exportCustomEmojisProcessorService: ExportCustomEmojisProcessorService,
+		private exportNotesProcessorService: ExportNotesProcessorService,
+		private exportFavoritesProcessorService: ExportFavoritesProcessorService,
+		private exportFollowingProcessorService: ExportFollowingProcessorService,
+		private exportMutingProcessorService: ExportMutingProcessorService,
+		private exportBlockingProcessorService: ExportBlockingProcessorService,
+		private exportUserListsProcessorService: ExportUserListsProcessorService,
+		private exportAntennasProcessorService: ExportAntennasProcessorService,
+		private importFollowingProcessorService: ImportFollowingProcessorService,
+		private importMutingProcessorService: ImportMutingProcessorService,
+		private importBlockingProcessorService: ImportBlockingProcessorService,
+		private importUserListsProcessorService: ImportUserListsProcessorService,
+		private importCustomEmojisProcessorService: ImportCustomEmojisProcessorService,
+		private importAntennasProcessorService: ImportAntennasProcessorService,
+		private deleteAccountProcessorService: DeleteAccountProcessorService,
+		private deleteFileProcessorService: DeleteFileProcessorService,
+		private cleanRemoteFilesProcessorService: CleanRemoteFilesProcessorService,
+		private relationshipProcessorService: RelationshipProcessorService,
+		private tickChartsProcessorService: TickChartsProcessorService,
+		private resyncChartsProcessorService: ResyncChartsProcessorService,
+		private cleanChartsProcessorService: CleanChartsProcessorService,
+		private aggregateRetentionProcessorService: AggregateRetentionProcessorService,
+		private checkExpiredMutingsProcessorService: CheckExpiredMutingsProcessorService,
+		private cleanProcessorService: CleanProcessorService,
 	) {
 		this.logger = this.queueLoggerService.logger;
 	}
@@ -119,14 +161,6 @@ export class QueueProcessorService {
 			.on('error', (job: any, err: Error) => webhookLogger.error(`error ${err}`, { job, e: renderError(err) }))
 			.on('stalled', (job) => webhookLogger.warn(`stalled ${getJobInfo(job)} to=${job.data.to}`));
 
-		this.queueService.deliverQueue.process(this.config.deliverJobConcurrency ?? 128, (job) => this.deliverProcessorService.process(job));
-		this.queueService.inboxQueue.process(this.config.inboxJobConcurrency ?? 16, (job) => this.inboxProcessorService.process(job));
-		this.queueService.endedPollNotificationQueue.process((job, done) => this.endedPollNotificationProcessorService.process(job, done));
-		this.queueService.webhookDeliverQueue.process(64, (job) => this.webhookDeliverProcessorService.process(job));
-		this.dbQueueProcessorsService.start(this.queueService.dbQueue);
-		this.relationshipQueueProcessorsService.start(this.queueService.relationshipQueue);
-		this.objectStorageQueueProcessorsService.start(this.queueService.objectStorageQueue);
-
 		this.queueService.systemQueue.add('tickCharts', {
 		}, {
 			repeat: { cron: '55 * * * *' },
@@ -163,6 +197,46 @@ export class QueueProcessorService {
 			removeOnComplete: true,
 		});
 
-		this.systemQueueProcessorsService.start(this.queueService.systemQueue);
+		this.queueService.deliverQueue.process(this.config.deliverJobConcurrency ?? 128, (job) => this.deliverProcessorService.process(job));
+		this.queueService.inboxQueue.process(this.config.inboxJobConcurrency ?? 16, (job) => this.inboxProcessorService.process(job));
+		this.queueService.endedPollNotificationQueue.process((job, done) => this.endedPollNotificationProcessorService.process(job, done));
+		this.queueService.webhookDeliverQueue.process(64, (job) => this.webhookDeliverProcessorService.process(job));
+
+		this.queueService.dbQueue.process('deleteDriveFiles', (job, done) => this.deleteDriveFilesProcessorService.process(job, done));
+		this.queueService.dbQueue.process('exportCustomEmojis', (job, done) => this.exportCustomEmojisProcessorService.process(job, done));
+		this.queueService.dbQueue.process('exportNotes', (job, done) => this.exportNotesProcessorService.process(job, done));
+		this.queueService.dbQueue.process('exportFavorites', (job, done) => this.exportFavoritesProcessorService.process(job, done));
+		this.queueService.dbQueue.process('exportFollowing', (job, done) => this.exportFollowingProcessorService.process(job, done));
+		this.queueService.dbQueue.process('exportMuting', (job, done) => this.exportMutingProcessorService.process(job, done));
+		this.queueService.dbQueue.process('exportBlocking', (job, done) => this.exportBlockingProcessorService.process(job, done));
+		this.queueService.dbQueue.process('exportUserLists', (job, done) => this.exportUserListsProcessorService.process(job, done));
+		this.queueService.dbQueue.process('exportAntennas', (job, done) => this.exportAntennasProcessorService.process(job, done));
+		this.queueService.dbQueue.process('importFollowing', (job, done) => this.importFollowingProcessorService.process(job, done));
+		this.queueService.dbQueue.process('importFollowingToDb', (job) => this.importFollowingProcessorService.processDb(job));
+		this.queueService.dbQueue.process('importMuting', (job, done) => this.importMutingProcessorService.process(job, done));
+		this.queueService.dbQueue.process('importBlocking', (job, done) => this.importBlockingProcessorService.process(job, done));
+		this.queueService.dbQueue.process('importBlockingToDb', (job) => this.importBlockingProcessorService.processDb(job));
+		this.queueService.dbQueue.process('importUserLists', (job, done) => this.importUserListsProcessorService.process(job, done));
+		this.queueService.dbQueue.process('importCustomEmojis', (job, done) => this.importCustomEmojisProcessorService.process(job, done));
+		this.queueService.dbQueue.process('importAntennas', (job, done) => this.importAntennasProcessorService.process(job, done));
+		this.queueService.dbQueue.process('deleteAccount', (job) => this.deleteAccountProcessorService.process(job));
+
+		this.queueService.objectStorageQueue.process('deleteFile', 16, (job) => this.deleteFileProcessorService.process(job));
+		this.queueService.objectStorageQueue.process('cleanRemoteFiles', 16, (job, done) => this.cleanRemoteFilesProcessorService.process(job, done));
+	
+		{
+			const maxJobs = this.config.relashionshipJobConcurrency ?? 16;
+			this.queueService.relationshipQueue.process('follow', maxJobs, (job) => this.relationshipProcessorService.processFollow(job));
+			this.queueService.relationshipQueue.process('unfollow', maxJobs, (job) => this.relationshipProcessorService.processUnfollow(job));
+			this.queueService.relationshipQueue.process('block', maxJobs, (job) => this.relationshipProcessorService.processBlock(job));
+			this.queueService.relationshipQueue.process('unblock', maxJobs, (job) => this.relationshipProcessorService.processUnblock(job));
+		}
+
+		this.queueService.systemQueue.process('tickCharts', (job, done) => this.tickChartsProcessorService.process(job, done));
+		this.queueService.systemQueue.process('resyncCharts', (job, done) => this.resyncChartsProcessorService.process(job, done));
+		this.queueService.systemQueue.process('cleanCharts', (job, done) => this.cleanChartsProcessorService.process(job, done));
+		this.queueService.systemQueue.process('aggregateRetention', (job, done) => this.aggregateRetentionProcessorService.process(job, done));
+		this.queueService.systemQueue.process('checkExpiredMutings', (job, done) => this.checkExpiredMutingsProcessorService.process(job, done));
+		this.queueService.systemQueue.process('clean', (job, done) => this.cleanProcessorService.process(job, done));
 	}
 }
diff --git a/packages/backend/src/queue/RelationshipQueueProcessorsService.ts b/packages/backend/src/queue/RelationshipQueueProcessorsService.ts
deleted file mode 100644
index 736b4fa80d..0000000000
--- a/packages/backend/src/queue/RelationshipQueueProcessorsService.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import { Inject, Injectable } from '@nestjs/common';
-import { bindThis } from '@/decorators.js';
-import { RelationshipProcessorService } from './processors/RelationshipProcessorService.js';
-import type Bull from 'bull';
-import { DI } from '@/di-symbols.js';
-import type { Config } from '@/config.js';
-
-@Injectable()
-export class RelationshipQueueProcessorsService {
-	constructor(
-		@Inject(DI.config)
-		private config: Config,
-
-		private relationshipProcessorService: RelationshipProcessorService,
-	) {
-	}
-
-	@bindThis
-	public start(q: Bull.Queue): void {
-		const maxJobs = this.config.relashionshipJobConcurrency ?? 16;
-		q.process('follow', maxJobs, (job) => this.relationshipProcessorService.processFollow(job));
-		q.process('unfollow', maxJobs, (job) => this.relationshipProcessorService.processUnfollow(job));
-		q.process('block', maxJobs, (job) => this.relationshipProcessorService.processBlock(job));
-		q.process('unblock', maxJobs, (job) => this.relationshipProcessorService.processUnblock(job));
-	}
-}
diff --git a/packages/backend/src/queue/SystemQueueProcessorsService.ts b/packages/backend/src/queue/SystemQueueProcessorsService.ts
deleted file mode 100644
index 7fb0da4b10..0000000000
--- a/packages/backend/src/queue/SystemQueueProcessorsService.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-import { Inject, Injectable } from '@nestjs/common';
-import { DI } from '@/di-symbols.js';
-import type { Config } from '@/config.js';
-import { bindThis } from '@/decorators.js';
-import { TickChartsProcessorService } from './processors/TickChartsProcessorService.js';
-import { ResyncChartsProcessorService } from './processors/ResyncChartsProcessorService.js';
-import { CleanChartsProcessorService } from './processors/CleanChartsProcessorService.js';
-import { CheckExpiredMutingsProcessorService } from './processors/CheckExpiredMutingsProcessorService.js';
-import { CleanProcessorService } from './processors/CleanProcessorService.js';
-import { AggregateRetentionProcessorService } from './processors/AggregateRetentionProcessorService.js';
-import type Bull from 'bull';
-
-@Injectable()
-export class SystemQueueProcessorsService {
-	constructor(
-		@Inject(DI.config)
-		private config: Config,
-
-		private tickChartsProcessorService: TickChartsProcessorService,
-		private resyncChartsProcessorService: ResyncChartsProcessorService,
-		private cleanChartsProcessorService: CleanChartsProcessorService,
-		private aggregateRetentionProcessorService: AggregateRetentionProcessorService,
-		private checkExpiredMutingsProcessorService: CheckExpiredMutingsProcessorService,
-		private cleanProcessorService: CleanProcessorService,
-	) {
-	}
-
-	@bindThis
-	public start(q: Bull.Queue): void {
-		q.process('tickCharts', (job, done) => this.tickChartsProcessorService.process(job, done));
-		q.process('resyncCharts', (job, done) => this.resyncChartsProcessorService.process(job, done));
-		q.process('cleanCharts', (job, done) => this.cleanChartsProcessorService.process(job, done));
-		q.process('aggregateRetention', (job, done) => this.aggregateRetentionProcessorService.process(job, done));
-		q.process('checkExpiredMutings', (job, done) => this.checkExpiredMutingsProcessorService.process(job, done));
-		q.process('clean', (job, done) => this.cleanProcessorService.process(job, done));
-	}
-}