Shared Pool Latch Contention When Populating Table to In-Memory Area
(Doc ID 2128953.1)
Last updated on OCTOBER 07, 2022
Applies to:
Oracle Cloud Infrastructure - Database Service - Version N/A and laterOracle 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
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
- Performance issue observed with in-memory population process due to heavy shared pool latch contention.
- From hang analyze dump file, there are wait chains that show waiter processes are blocked on gc related events, while lms<x> processes are blocked on shared pool latches.
Cause
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In this Document
Symptoms Cause Solution References
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