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Troubleshooting Databases Hang Due to Heavy Contention for 'library cache: mutex X' Waits (Oracle 11.2 and Later) (Doc ID 2051456.1)

Last updated on FEBRUARY 03, 2019

Applies to:

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


Provides some basic information to enable DBAs to identify library cache mutex related problems and raises awareness on known issues and actions to be taken.

Troubleshooting Steps

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In this Document
Troubleshooting Steps
 Identifying KGL mutex (library cache: mutex X) issues related to mutex recovery problems in
 Problem Synopsis
 How to Identify the pseudo-SID
 Known Issues

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