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Assertion Failure on MEMORY Table when Table Statistics are Accessed During a COMMIT (Doc ID 2504888.1)

Last updated on MARCH 03, 2020

Applies to:

MySQL Server - Version 8.0 and later
Information in this document applies to any platform.

Symptoms

On : 8.0 version, Server Crash

mysql instance crash when SHOW TABLE STATUS is run


ERROR
-----------------------
Assertion Failure/Segmentation Fault




STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Create a MEMORY/HEAP table
2. Start an ongoing transaction
3. Access the INFORMATION_SCHEMA table details

BUSINESS IMPACT
-----------------------
The issue has the following business impact:
Due to this issue, users cannot have a stable production system, unless they ignore table statistics.

Cause

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In this Document
Symptoms
Cause
Solution


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