pgref.dev/sqlite/errors/SQLITE_IOERR_COMMIT_ATOMIC
SQLITE_IOERR_COMMIT_ATOMICFATALTier 3 — Handle with care⚠️ MEDIUM confidence

I/O error committing atomic write

Category: I/O ErrorVersions: 3.25.0+

🔴 Production Risk Error

Critical — transaction durability cannot be guaranteed.

What this means

SQLITE_IOERR_COMMIT_ATOMIC (7690) is returned when the VFS cannot complete an atomic commit. The transaction is not durable and the database may need recovery.

Why it happens

  1. 1Hardware failure during atomic commit phase.
  2. 2VFS error completing the atomic write batch.

How to reproduce

COMMIT on a database using atomic write VFS.

trigger — this will ERROR
# Transaction commit failed at atomic commit step
# → database may be in inconsistent state
sqlite3.DatabaseError: disk I/O error

Fix 1

Why this works

Check disk hardware health immediately.

Fix 2

Why this works

Run PRAGMA integrity_check on next open.

Fix 3

Why this works

Restore from backup if integrity check fails.

Sources

📚 Official docs: https://www.sqlite.org/rescode.html#ioerr_commit_atomic

🔧 Source ref: sqlite3.h — SQLITE_IOERR_COMMIT_ATOMIC = 7690

Confidence assessment

⚠️ MEDIUM confidence

Stable.

See also

⚙️ This error reference was generated with AI assistance and reviewed for accuracy. Examples are provided to illustrate common scenarios and may not cover every case. Always test fixes in a development environment before applying to production. Spotted an error? Suggest a correction →