How to Reclaim Unused Space or Decrease Size of InnoDB Data File? ibdata1; .ibd (Doc ID 1341548.1)

Last updated on MAY 17, 2017

Applies to:

MySQL Server - Version 4.1 and later
Information in this document applies to any platform.

Goal

Sometimes the size of InnoDB data files - the system tablespace file (ibdata) or table space files (*.ibd) - are bigger than necessary. You may delete many rows from a table and notice the file size does not decrease. The goal is to reclaim that disk space.

Solution

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