FoundKey/packages/backend/src/queue/initialize.ts

31 lines
916 B
TypeScript

import Bull from 'bull';
import { SECOND, MINUTE, HOUR } from '@/const.js';
import config from '@/config/index.js';
import { getRedisOptions } from '@/config/redis.js';
export function initialize<T>(name: string, limitPerSec = -1): Bull.Queue<T> {
return new Bull<T>(name, {
redis: getRedisOptions(),
prefix: config.redis.prefix ? `${config.redis.prefix}:queue` : 'queue',
limiter: limitPerSec > 0 ? {
max: limitPerSec,
duration: SECOND,
} : undefined,
settings: {
backoffStrategies: {
apBackoff,
},
},
});
}
// ref. https://github.com/misskey-dev/misskey/pull/7635#issue-971097019
function apBackoff(attemptsMade: number /*, err: Error */): number {
const baseDelay = MINUTE;
const maxBackoff = 8 * HOUR;
let backoff = (Math.pow(2, attemptsMade) - 1) * baseDelay;
backoff = Math.min(backoff, maxBackoff);
backoff += Math.round(backoff * Math.random() * 0.2);
return backoff;
}