Daan MeijerandClaude Opus 5.5
23bbdcc5ee
SeedService looked up every file of a batch across all files partitions after inserting it (15% of Postgres' active time); the merge job read every release on each GC sweep. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
92 lines
3.8 KiB
TypeScript
92 lines
3.8 KiB
TypeScript
import env from '#start/env'
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/**
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* Retention for transient pipeline state in Redis. See CONCEPT.md (D11).
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*/
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export default {
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/** How often `gc:scheduler` sweeps. */
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intervalMs: env.get('GC_INTERVAL_MS', 3 * 60 * 1000),
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/** How often gc:scheduler recomputes the completeness of releases that changed (LOG.md 2026-10-06 (6)). */
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releaseCompleteIntervalMs: env.get('RELEASE_COMPLETE_INTERVAL_MS', 30 * 60 * 1000),
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/** How often gc:scheduler merges uploads split per poster (D35); it reads every release. */
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mergeIntervalMs: env.get('GC_MERGE_INTERVAL_MS', 60 * 60 * 1000),
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/** Time per sweep for copying old file keys into file_keys until it's complete (LOG.md 2026-10-06 (7)). */
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fileKeysFillMs: env.get('FILE_KEYS_FILL_SECONDS', 90) * 1000,
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jobs: {
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/** Completed jobs are only kept for inspection; keep them briefly. */
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completedAgeSeconds: env.get('GC_COMPLETED_AGE_SECONDS', 60 * 60),
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completedMaxCount: 1000,
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/** Failed jobs are kept longer so they can be inspected and retried. */
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failedAgeSeconds: env.get('GC_FAILED_AGE_SECONDS', 7 * 24 * 60 * 60),
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},
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/**
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* Upper bound on waiting body jobs. Obfuscated traffic can exceed what the
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* line downloads for hours; beyond this, the oldest waiting jobs are
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* dropped so Redis stays bounded (~1 KB per job).
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*/
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bodyQueueMax: env.get('GC_BODY_QUEUE_MAX', 500_000),
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binaries: {
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/**
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* A binary that gets no new segments for this long is deleted: incomplete
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* ones are given up on, completed ones have been copied into `files`.
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*/
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staleAfterSeconds: env.get('GC_BINARY_STALE_SECONDS', 48 * 60 * 60),
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/**
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* Header-derived binaries that still have one article after this long:
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* uploads that give every article its own random name (and poster) never
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* complete from headers. A real file gets its next articles in minutes.
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*/
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singleArticleAfterSeconds: env.get('GC_SINGLE_ARTICLE_SECONDS', 2 * 60 * 60),
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/**
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* Completed header-derived binaries without a fingerprint (size, MD5 of
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* the first 16 KiB): their file exists and no par2 set can name them
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* later, so they go sooner than staleAfterSeconds.
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*/
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unfingerprintedAfterSeconds: env.get('GC_UNFINGERPRINTED_SECONDS', 6 * 60 * 60),
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/**
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* A finished binary whose file waits for content inspection is kept this long at
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* most (it needs the fingerprint inspection stores for par2 naming, D16).
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*/
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awaitInspectionSeconds: env.get('GC_AWAIT_INSPECTION_SECONDS', 7 * 24 * 60 * 60),
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},
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/**
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* Staged lone segments (CONCEPT.md D35) are dropped after this long. A
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* real file's next segment comes in the same or the next fetch range,
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* seconds to minutes later; at backfill speed two hours of waiting
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* segments were 12M rows, 10 GB.
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*/
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stagingTtlSeconds: env.get('STAGING_TTL_SECONDS', 30 * 60),
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/** Releases without files or binaries (their binaries were collected) are deleted after this long. */
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emptyReleaseAfterSeconds: env.get('GC_EMPTY_RELEASE_SECONDS', 2 * 60 * 60),
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/**
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* Bulk deletes run in batches of this size, each kind (copied parts,
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* single-article and unfingerprinted binaries, empty releases) for at most
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* this long per sweep, so one backlog can't starve the others.
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*/
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deleteBatch: 20_000,
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deleteBudgetMs: env.get('GC_DELETE_BUDGET_MS', 60 * 1000),
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/** Bloated indexes are rebuilt at most this often (IndexMaintenance). */
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reindexIntervalMs: env.get('GC_REINDEX_INTERVAL_MS', 7 * 24 * 60 * 60 * 1000),
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/**
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* Deferred files (CONCEPT.md D28) are deleted this long after they were
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* first seen, processed or not. The articles stay on the server.
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*/
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deferredRetentionDays: env.get('GC_DEFERRED_RETENTION_DAYS', 30),
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/** Redis hashes from the old header worker (before D12); they only need to expire. */
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legacyPendingFiles: {
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prefix: 'file:',
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ttlSeconds: 48 * 60 * 60,
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},
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}
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