WAITEVENT: "library cache: mutex X"
(Doc ID 727400.1)
Last updated on JANUARY 18, 2022
Applies to:
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and laterOracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Purpose
This document explains the meaning of the wait event "library cache: mutex" and gives hints on how it may be used to diagnose performance problems.
Scope
This is intended for DBAs and developers who are involved with tuning their database. An intermediate level of expertise is required.
Details
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In this Document
| Purpose |
| Scope |
| Details |
| Definition: |
| Individual Waits: |
| Wait Time: |
| Reducing Waits / Wait times: |
| Known Bugs: |
| References |