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Run WAL checkpoint on startup with logging

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Explicitly checkpoint the WAL on database initialization to consolidate
any large WAL file from previous runs. Log the checkpoint results to
help diagnose issues.
This commit is contained in:
Jeffrey Paul 2026-01-01 06:38:15 -08:00
parent a163449a28
commit f1d7c21478
1 changed files with 21 additions and 9 deletions
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16
internal/database/database.go
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@ -110,7 +110,6 @@ func (d *Database) Initialize() error {
"PRAGMA synchronous=OFF", // Don't wait for disk writes
"PRAGMA cache_size=-3145728", // 3GB cache (upper limit for 2.4GB DB)
"PRAGMA temp_store=MEMORY", // Use memory for temp tables
"PRAGMA wal_checkpoint(TRUNCATE)", // Checkpoint and truncate WAL now
"PRAGMA busy_timeout=5000", // 5 second busy timeout
"PRAGMA analysis_limit=0", // Disable automatic ANALYZE
"PRAGMA auto_vacuum=INCREMENTAL", // Enable incremental vacuum
@ -122,7 +121,20 @@ func (d *Database) Initialize() error {
}
}
err := d.exec(dbSchema)
// Run WAL checkpoint on startup to consolidate any existing WAL
var walPages, checkpointedPages, movedPages int
err := d.db.QueryRow("PRAGMA wal_checkpoint(TRUNCATE)").Scan(&walPages, &checkpointedPages, &movedPages)
if err != nil {
d.logger.Warn("Failed to checkpoint WAL on startup", "error", err)
} else {
d.logger.Info("WAL checkpoint on startup",
"wal_pages", walPages,
"checkpointed", checkpointedPages,
"moved", movedPages,
)
}
err = d.exec(dbSchema)
if err != nil {
return err
}