5.4M waiting inspection jobs took 3.3 GB of Redis and most of its single thread. Producers now add file ids to inspection_queue; index-scheduler feeds up to INSPECTION_FEED_MAX (50k) into BullMQ. inspection:from-redis moves the existing backlog over once. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
67 lines
2.7 KiB
TypeScript
67 lines
2.7 KiB
TypeScript
import db from '@adonisjs/lucid/services/db'
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import env from '#start/env'
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import QueueService from '#services/QueueService'
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/** Files per transaction when moving from the table to BullMQ. */
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const FEED_BATCH = 5000
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/** Priorities: lower goes first. */
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export const INSPECTION_PRIORITY = { targeted: -1, normal: 0, low: 10 } as const
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/**
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* The content inspection backlog (CONCEPT.md D21, D41; LOG.md 2026-10-07 (8)).
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* Producers add file ids to the inspection_queue table; feed() moves them
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* into BullMQ's collection-queue while fewer than INSPECTION_FEED_MAX jobs
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* wait there, where worker:collection and inspecting nodes take them as
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* before. Redis holds a working set instead of a backlog of days.
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*/
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class InspectionQueue {
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readonly feedMax = env.get('INSPECTION_FEED_MAX', 50_000)
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/** Queues files for inspection; a file already queued keeps the higher (lower number) priority. */
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async add(fileIds: number[], priority: number = INSPECTION_PRIORITY.normal) {
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const ids = [...new Set(fileIds)]
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for (let i = 0; i < ids.length; i += 10_000) {
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await db.rawQuery(
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`INSERT INTO inspection_queue (file_id, priority)
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SELECT id, ?::smallint FROM unnest(?::bigint[]) AS id
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ON CONFLICT (file_id) DO UPDATE SET priority = least(inspection_queue.priority, excluded.priority)`,
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[priority, ids.slice(i, i + 10_000)]
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)
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}
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}
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/** Tops BullMQ up to feedMax waiting jobs; returns how many were moved. */
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async feed(): Promise<number> {
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const queue = QueueService.collectionQueue
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const counts = await queue.getJobCounts('wait', 'prioritized')
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let room = this.feedMax - (counts.wait ?? 0) - (counts.prioritized ?? 0)
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let moved = 0
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while (room > 0) {
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const n = await db.transaction(async (trx) => {
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const { rows } = await trx.rawQuery(
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`SELECT file_id FROM inspection_queue ORDER BY priority, queued_at LIMIT ? FOR UPDATE SKIP LOCKED`,
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[Math.min(room, FEED_BATCH)]
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)
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if (rows.length === 0) return 0
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const ids = rows.map((row: { file_id: string }) => Number(row.file_id))
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// Added before the rows go: a failure leaves them queued (a job that went in anyway is deduplicated by its id).
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await queue.addBulk(ids.map((id: number) => ({ name: 'process-collection', data: { fileId: id }, opts: { jobId: `file-${id}` } })))
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await trx.rawQuery(`DELETE FROM inspection_queue WHERE file_id = ANY(?::bigint[])`, [ids])
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return ids.length
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})
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if (n === 0) break
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moved += n
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room -= n
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}
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return moved
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}
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async size(): Promise<number> {
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const { rows } = await db.rawQuery(`SELECT count(*) AS n FROM inspection_queue`)
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return Number(rows[0].n)
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}
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}
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export default new InspectionQueue()
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