Possible Causes For Slow Query After Migration From 5.1 To 5.6

(Doc ID 2099721.1)

Last updated on JANUARY 31, 2018

Applies to:

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


After migration from 5.1 to 5.5, and continually migration from 5.5 to 5.6, a query got slower in 5.6 when compared to 5.1.

What theoretical causes may there be?


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