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feat(pglite): vacuum as well as analyze after a scan

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The single-user backend has no autovacuum, and each scan leaves a dead
version of every updated row (all 29,602 library_artist rows per stats
refresh). VACUUM (ANALYZE) takes 9.7 s on the 97k-track library.
This commit is contained in:
Deluan 2026-09-05 03:54:12 -04:00
parent 943beae278
commit bf3af008d6
1 changed files with 4 additions and 2 deletions
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6
db/optimize.go
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@ -133,8 +133,10 @@ func optimizeAt(ctx context.Context, db *sql.DB, now time.Time) error {
if err := markOptimizePending(ctx, db); err != nil {
return recordAnalyzeError(ctx, db, now, fmt.Errorf("marking ANALYZE pending: %w", err))
}
log.Debug(ctx, "Refreshing query planner statistics")
_, err := db.ExecContext(ctx, "ANALYZE")
// VACUUM too: the single-user backend has no autovacuum, and every scan leaves a dead
// version of each updated row behind.
log.Debug(ctx, "Vacuuming and refreshing query planner statistics")
_, err := db.ExecContext(ctx, "VACUUM (ANALYZE)")
if err != nil {
return recordAnalyzeError(ctx, db, now, fmt.Errorf("running ANALYZE: %w", err))
}