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19c Database Hung due to High "row cache mutex" waits (Doc ID 2952129.1)

Last updated on JUNE 03, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 19.15.0.0.0 and later
Information in this document applies to any platform.

Symptoms

Database was hung / slow and had to be re-started for the issue to be mitigated.

-  The Hang chains showed high "row cache mutex" waits with high shared pool latch contention:

-  AWR also showed high "connection management call elapsed time" waits, which implies high connects and disconnects, resulting in high concurrency waits.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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