Daan MeijerandClaude Opus 5.5
de7c758206
Each claim looks its candidates up in probe_cache by message_id; with the index on the HDD that took 1.27 s a claim, 48 s of each minute. Moved by hand on homelab; a no-op there. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
27 lines
1.2 KiB
TypeScript
27 lines
1.2 KiB
TypeScript
import { BaseSchema } from '@adonisjs/lucid/schema'
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/**
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* probe_cache's primary key in the catalog's tablespace (default_tablespace: nvme on homelab); the table stays on the
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* HDD. Each claim looks its candidates up by message_id (`message_id = ANY(…)`): with the index on the HDD that took
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* 1.27 s a claim, 48 s of each minute, the prober's lanes waiting on claims (LOG.md 2026-10-18 (76)). ~97% aren't in it,
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* so only the index is read. Homelab moved it by hand (prober stopped); a no-op where it's there already, or without a
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* default tablespace (tests).
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*/
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export default class extends BaseSchema {
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async up() {
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this.defer(async (db) => {
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const { rows: setting } = await db.rawQuery(`SELECT current_setting('default_tablespace') AS target`)
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const target = setting[0].target
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if (!target) return
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const { rows } = await db.rawQuery(
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`SELECT 1 FROM pg_class c LEFT JOIN pg_tablespace t ON t.oid = c.reltablespace
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WHERE c.relname = 'probe_cache_pkey' AND coalesce(t.spcname, 'pg_default') <> ?`,
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[target]
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)
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if (rows.length > 0) await db.rawQuery(`ALTER INDEX probe_cache_pkey SET TABLESPACE ${target}`)
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})
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}
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async down() {}
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}
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