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Diagnosing MySQL Server Freezes and Stalls, Sometimes Called Crashes (Doc ID 1334218.1)

Last updated on JULY 28, 2022

Applies to:

MySQL Server - Version 4.0 to 5.5 [Release 4.0 to 5.5]
Information in this document applies to any platform.


Guide to diagnosing the cause of a MySQL Server freeze, stall or similar interruption to service.

Troubleshooting Steps

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In this Document
Troubleshooting Steps
 1. Check query cache free blocks count.
 2. If using InnoDB, check SHOW ENGINE INNODB STATUS.
 3. Check SHOW PROCESSLIST and search the knowledge base for the text of the values in the State column.
 4. Open a service request.

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