Files
usenet-indexer/app/services/chunk_partitions.ts
T
Daan MeijerandClaude Opus 5.5 d5f168d8d2
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Rebuild: coordinator (planner, NNTP pool, spool, prefetcher, leases, rule sets), node API and the edge:node worker
- groups:add / ranges:plan / nodes:create / coordinator:run commands
- the node API: lease, the range's chunks as one framed stream from the
  spool, batches, heartbeat, finish, release (node guard, token per node)
- edge:node: needs COORDINATOR_URL and NODE_TOKEN only (placeholders for
  the rest), posts a batch every 10 chunks, gives its range back on SIGTERM
- releases are gathered per batch: 1.04 chunk rows per release at 10
  chunks per batch (1.35 when built per XOVER chunk)
- partitions are checked per batch instead of remembered

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-09 00:31:06 +02:00

31 lines
1.3 KiB
TypeScript

import db from '@adonisjs/lucid/services/db'
import env from '#start/env'
/** Months ahead that always have a release_chunks partition. */
const AHEAD = 2
/**
* release_chunks is partitioned by month of writing (REBUILD.md, decision a).
* Inserts fail without a partition for now(), so the current and the next
* months' partitions are created before they are needed.
*/
class ChunkPartitions {
async ensure(now = new Date()) {
// Checked each time, not remembered: a rolled-back transaction can take a created partition along.
const current = `release_chunks_${now.toISOString().slice(0, 7).replace('-', '')}`
const { rows } = await db.rawQuery(`SELECT to_regclass(?) IS NOT NULL AS present`, [current])
if (rows[0].present) return
const tablespace = env.get('CHUNK_TABLESPACE')
for (let i = 0; i <= AHEAD; i++) {
const from = new Date(Date.UTC(now.getUTCFullYear(), now.getUTCMonth() + i, 1))
const to = new Date(Date.UTC(now.getUTCFullYear(), now.getUTCMonth() + i + 1, 1))
const name = `release_chunks_${from.toISOString().slice(0, 7).replace('-', '')}`
await db.rawQuery(
`CREATE TABLE IF NOT EXISTS ${name} PARTITION OF release_chunks FOR VALUES FROM ('${from.toISOString()}') TO ('${to.toISOString()}')${tablespace ? ` TABLESPACE ${tablespace}` : ''}`
)
}
}
}
export default new ChunkPartitions()