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8ce6ec494d
Adopts ListenBrainz-inspired patterns to speed up imports from ~24h to under 30 minutes for 49k scrobbles. Phase 1 - track_lookup cache table: - New migration (000006) adds persistent entity lookup cache - Maps normalized (artist, track, album) → (artist_id, album_id, track_id) - SubmitListen fast path: cache hit skips 18 DB queries → 2 queries - Cache populated after entity resolution, invalidated on merge/delete - Benefits both live scrobbles and imports Phase 2 - SaveListensBatch: - New batch listen insert using pgx CopyFrom → temp table → INSERT ON CONFLICT - Thousands of inserts per second vs one-at-a-time Phase 3 - BulkSubmitter: - Reusable import accelerator for all importers - Pre-deduplicates scrobbles by (artist, track, album) in memory - Worker pool (4 goroutines) for parallel entity creation on cache miss - Batch listen insertion via SaveListensBatch Phase 4 - Migrate importers: - Maloja, Spotify, LastFM, ListenBrainz importers use BulkSubmitter - Koito importer left as-is (already fast with pre-resolved IDs) Phase 5 - Skip image lookups during import: - GetArtistImage/GetAlbumImage calls fully skipped when SkipCacheImage=true - Background tasks (FetchMissingArtistImages/FetchMissingAlbumImages) backfill Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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| .. | ||
| etc | ||
| old | ||
| 000001_initial_schema.sql | ||
| 000002_fix_api_key_fkey.sql | ||
| 000003_add_primary_artist.sql | ||
| 000004_fix_usernames.sql | ||
| 000005_rm_orphan_artist_releases.sql | ||
| 000006_track_lookup.sql | ||
| migrations.go | ||