Excessive Memory Allocation And Performance Drop When Using InnoDB Full-Text Indexes (Doc ID 1581605.1)

Last updated on MAY 05, 2016

Applies to:

MySQL Server - Version 5.6 to 5.6 [Release 5.6]
Information in this document applies to any platform.

Symptoms

When using InnoDB full text indexes on table having more than 96 columns, the performance decreases compared to MyISAM full text indexes.

The excessive memory allocation can lead to a server restart. Flush tables helps to reduce the allocated memory.

Cause

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