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Troubleshooting High 'Latch Free' Waits with Contention on 'Result Cache: RC Latch' (Doc ID 2143739.1)

Last updated on NOVEMBER 26, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Purpose

This Document provides information on what to check when there is a performance degradation due to latching on a full Result Cache and high waits on 'Result Cache: RC Latch'.

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 1. What is the Result Cache ?
 2. What happens when the Result Cache is full ?
 3. How to tell if the Result Cache is full
 4. How to tell what is trashing the Result Cache
 5. Result Cache usage example
 6. Known issues

References

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