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perf: Tune AP job queue timings (#7635)

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* perf: Tune AP job queue timings

* CHANGELOG

* chore: add reference

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
This commit is contained in:
MeiMei 2021-08-20 21:59:03 +09:00 • committed by GitHub
parent 0e69091455
commit bb2db1cf76
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3 changed files with 21 additions and 7 deletions
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21
src/queue/initialize.ts
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@ -11,8 +11,23 @@ export function initialize<T>(name: string, limitPerSec = -1) {
},
prefix: config.redis.prefix ? `${config.redis.prefix}:queue` : 'queue',
limiter: limitPerSec > 0 ? {
max: limitPerSec * 5,
duration: 5000
} : undefined
max: limitPerSec,
duration: 1000
} : undefined,
settings: {
backoffStrategies: {
apBackoff
}
}
});
}
// ref. https://github.com/misskey-dev/misskey/pull/7635#issue-971097019
function apBackoff(attemptsMade: number, err: Error) {
const baseDelay = 60 * 1000; // 1min
const maxBackoff = 8 * 60 * 60 * 1000; // 8hours
let backoff = (Math.pow(2, attemptsMade) - 1) * baseDelay;
backoff = Math.min(backoff, maxBackoff);
backoff += Math.round(backoff * Math.random() * 0.2);
return backoff;
}