The Size of the Incremental Backup Is Large After Using OPTIMIZE TABLE

(Doc ID 2120496.1)

Last updated on MARCH 08, 2017

Applies to:

MySQL Enterprise Backup - Version 3.10 and later
Information in this document applies to any platform.

Symptoms

After running OPTIMIZE TABLE on one or more InnoDB tables, the following incremental backup is larger than normal. Potentially it can cause the disk where the backups are stored to become full.

For example:

  1. Load the employee sample database using a file per table tablespace.
  2. Check the size of the employees.salaries tablespace file:
     

Changes

One or more tables have been optimized.

Cause

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