1567
MariaDBERRORCriticalDDLHIGH confidence
DDL log error
Production Risk
High — DDL operations may be partially applied; manual intervention may be needed.
What this means
An error occurred while writing to the DDL recovery log used for crash-safe DDL operations.
Why it happens
- 1Disk full or I/O error while writing the DDL log.
- 2Filesystem permission issues on the data directory.
How to reproduce
trigger — this will error
trigger — this will error
-- Typically triggered internally during DDL operations when disk is full.
expected output
ERROR 1567 (HY000): Error writing file '<file>' (errno: <N>)
Fix 1
Free disk space
Free disk space
-- Check disk usage and free space: -- df -h /var/lib/mysql
Why this works
Ensure the MySQL data directory has sufficient free disk space.
Fix 2
Check filesystem permissions
Check filesystem permissions
-- Verify MySQL user owns the data directory: -- ls -la /var/lib/mysql
Why this works
The MySQL process must have read/write access to the data directory.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 1567 ER_DDL_LOG_ERROR
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