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After Enabling performance_schema, Spurious Hangs in Versions of 5.5.22 and Earlier (Doc ID 1491076.1)

Last updated on NOVEMBER 16, 2021

Applies to:

MySQL Server - Version 5.5 to 5.5 [Release 5.5]
Information in this document applies to any platform.

Symptoms

New connections hang.  Existing connections cannot run diagnostic queries like SHOW statements, replication related commands.

Shutdown of server will also hang.

Changes

 The triggering change is performance_schema was recently enabled in my.cnf.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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