4093
MySQLERRORCommonHIGH confidence
InnoDB data file cannot be resized
Production Risk
High — Failure to resize can cause InnoDB to stop accepting writes.
Why it happens
- 1The filesystem has no free space to extend the data file.
- 2The file size has reached the maximum allowed by the OS or filesystem.
- 3The data file is not configured with the autoextend option.
Fix 1
Free up disk space or add storage
Why this works
Ensure there is adequate free space on the filesystem hosting the data directory.
Fix 2
Configure data files with autoextend
Why this works
Set innodb_data_file_path='ibdata1:12M:autoextend' in my.cnf.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 4093 ER_INNODB_DATAFILE_UNRESIZABLE
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