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