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Optimize log file writes using stream pooling (#2835)

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* Initial plan

* Implement LogStreamManager for optimized log writing

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

* Fix error handler in LogStreamManager to avoid race conditions

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>
This commit is contained in:
Copilot
2025-11-16 21:11:10 +08:00
committed by GitHub
parent fbeb4f4a6c
commit 08ef509e27
4 changed files with 132 additions and 12 deletions
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back/services/subscription.ts
+11 -7
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@@ -31,6 +31,7 @@ import { formatCommand, formatUrl } from '../config/subscription';
import { CrontabModel } from '../data/cron';
import CrontabService from './cron';
import taskLimit from '../shared/pLimit';
import { logStreamManager } from '../shared/logStreamManager';
@Service()
export default class SubscriptionService {
@@ -136,7 +137,7 @@ export default class SubscriptionService {
let beforeStr = '';
try {
if (doc.sub_before) {
await fs.appendFile(absolutePath, `\n## 执行before命令...\n\n`);
await logStreamManager.write(absolutePath, `\n## 执行before命令...\n\n`);
beforeStr = await promiseExec(doc.sub_before);
}
} catch (error: any) {
@@ -144,7 +145,7 @@ export default class SubscriptionService {
(error.stderr && error.stderr.toString()) || JSON.stringify(error);
}
if (beforeStr) {
await fs.appendFile(absolutePath, `${beforeStr}\n`);
await logStreamManager.write(absolutePath, `${beforeStr}\n`);
}
},
onStart: async (cp: ChildProcessWithoutNullStreams, startTime) => {
@@ -163,7 +164,7 @@ export default class SubscriptionService {
let afterStr = '';
try {
if (sub.sub_after) {
await fs.appendFile(absolutePath, `\n\n## 执行after命令...\n\n`);
await logStreamManager.write(absolutePath, `\n\n## 执行after命令...\n\n`);
afterStr = await promiseExec(sub.sub_after);
}
} catch (error: any) {
@@ -171,16 +172,19 @@ export default class SubscriptionService {
(error.stderr && error.stderr.toString()) || JSON.stringify(error);
}
if (afterStr) {
await fs.appendFile(absolutePath, `${afterStr}\n`);
await logStreamManager.write(absolutePath, `${afterStr}\n`);
}
await fs.appendFile(
await logStreamManager.write(
absolutePath,
`\n## 执行结束... ${endTime.format(
'YYYY-MM-DD HH:mm:ss',
)} 耗时 ${diff} 秒${LOG_END_SYMBOL}`,
);
// Close the stream after task completion
await logStreamManager.closeStream(absolutePath);
await SubscriptionModel.update(
{ status: SubscriptionStatus.idle, pid: undefined },
{ where: { id: sub.id } },
@@ -195,12 +199,12 @@ export default class SubscriptionService {
onError: async (message: string) => {
const sub = await this.getDb({ id: doc.id });
const absolutePath = await handleLogPath(sub.log_path as string);
await fs.appendFile(absolutePath, `\n${message}`);
await logStreamManager.write(absolutePath, `\n${message}`);
},
onLog: async (message: string) => {
const sub = await this.getDb({ id: doc.id });
const absolutePath = await handleLogPath(sub.log_path as string);
await fs.appendFile(absolutePath, `\n${message}`);
await logStreamManager.write(absolutePath, `\n${message}`);
},
};
}