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fix: make import lock unique per attempt + release in finally
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- Add timestamp to lock key to prevent blocking retries
- Wrap create logic in try-finally to always release lock
- Reduce lock TTL from 30min to 5min

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
wangdl 2026-06-18 22:17:59 +08:00
parent 433e0095ee
commit aef8e2a416
1 changed files with 24 additions and 21 deletions
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45
src/modules/document-import/document-import.service.ts
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@ -22,34 +22,37 @@ export class DocumentImportService {
}) {
this.logger.log(`createImport called: userId=${dto.userId}, kbId=${dto.knowledgeBaseId}, fileName=${dto.fileName}, sourceType=${dto.sourceType}`);
try {
const lockKey = `lock:document-import:${dto.fileName || Date.now()}`;
this.logger.log(`Attempting Redis lock: ${lockKey}`);
const lockToken = await this.redis.lock(lockKey, 1800);
// Use unique lock key per upload attempt to avoid blocking retries
const lockKey = `lock:document-import:${dto.fileName || 'file'}:${Date.now()}`;
this.logger.log(`Acquiring lock: ${lockKey}`);
const lockToken = await this.redis.lock(lockKey, 300); // 5 min TTL, enough for one upload
if (!lockToken) {
throw new Error('相同文件正在导入中，请稍候');
}
this.logger.log(`Creating DB record...`);
const job = await this.repository.create(dto);
this.logger.log(`DB record created: ${job.id}`);
try {
this.logger.log(`Creating DB record...`);
const job = await this.repository.create(dto);
this.logger.log(`DB record created: ${job.id}`);
await this.redis.set(`job:document-import:${job.id}:status`, 'pending', 86400);
await this.redis.set(`job:document-import:${job.id}:progress`, '0', 86400);
await this.redis.set(`job:document-import:${job.id}:message`, '任务已加入队列', 86400);
await this.redis.set(`job:document-import:${job.id}:status`, 'pending', 86400);
await this.redis.set(`job:document-import:${job.id}:progress`, '0', 86400);
await this.redis.set(`job:document-import:${job.id}:message`, '任务已加入队列', 86400);
this.logger.log(`Enqueuing job...`);
await this.queue.add('document-import', {
importId: job.id,
userId: dto.userId || 'anonymous',
knowledgeBaseId: dto.knowledgeBaseId,
rawText: dto.rawText,
fileName: dto.fileName,
});
this.logger.log(`Job enqueued: ${job.id}`);
this.logger.log(`Enqueuing job...`);
await this.queue.add('document-import', {
importId: job.id,
userId: dto.userId || 'anonymous',
knowledgeBaseId: dto.knowledgeBaseId,
rawText: dto.rawText,
fileName: dto.fileName,
});
this.logger.log(`Job enqueued: ${job.id}`);
await this.redis.unlock(lockKey, lockToken);
return { jobId: job.id, status: 'queued' };
return { jobId: job.id, status: 'queued' };
} finally {
await this.redis.unlock(lockKey, lockToken);
}
} catch (err: any) {
this.logger.error(`createImport failed: ${err.message}`, err.stack);
throw err;