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usenet-indexer/config/gc.ts
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import env from '#start/env'
/**
* Retention for transient pipeline state in Redis. See CONCEPT.md (D11).
*/
export default {
/** How often `gc:scheduler` sweeps. */
intervalMs: env.get('GC_INTERVAL_MS', 10 * 60 * 1000),
jobs: {
/** Completed jobs are only kept for inspection; keep them briefly. */
completedAgeSeconds: env.get('GC_COMPLETED_AGE_SECONDS', 60 * 60),
completedMaxCount: 1000,
/** Failed jobs are kept longer so they can be inspected and retried. */
failedAgeSeconds: env.get('GC_FAILED_AGE_SECONDS', 7 * 24 * 60 * 60),
},
/**
* Upper bound on waiting body jobs. Obfuscated traffic can exceed what the
* line downloads for hours; beyond this, the oldest waiting jobs are
* dropped so Redis stays bounded (~1 KB per job).
*/
bodyQueueMax: env.get('GC_BODY_QUEUE_MAX', 500_000),
binaries: {
/**
* A binary that gets no new segments for this long is deleted: incomplete
* ones are given up on, completed ones have been copied into `files`.
*/
staleAfterSeconds: env.get('GC_BINARY_STALE_SECONDS', 48 * 60 * 60),
/**
* Header-derived binaries that still have one article after this long:
* uploads that give every article its own random name (and poster) never
* complete from headers. A real file gets its next articles in minutes.
*/
singleArticleAfterSeconds: env.get('GC_SINGLE_ARTICLE_SECONDS', 2 * 60 * 60),
},
/** Releases without files or binaries (their binaries were collected) are deleted after this long. */
emptyReleaseAfterSeconds: env.get('GC_EMPTY_RELEASE_SECONDS', 2 * 60 * 60),
/** Bulk deletes run in batches of this size, for at most this long per sweep. */
deleteBatch: 20_000,
deleteBudgetMs: env.get('GC_DELETE_BUDGET_MS', 3 * 60 * 1000),
/**
* Deferred files (CONCEPT.md D28) are deleted this long after they were
* first seen, processed or not. The articles stay on the server.
*/
deferredRetentionDays: env.get('GC_DEFERRED_RETENTION_DAYS', 30),
/** Redis hashes from the old header worker (before D12); they only need to expire. */
legacyPendingFiles: {
prefix: 'file:',
ttlSeconds: 48 * 60 * 60,
},
}