Slow Performance with High Waits for 'row cache lock' With Possible Database Hang
(Doc ID 2189126.1)
Last updated on MARCH 12, 2021
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 11.2 to 12.1]
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.
- Database hang or very slow performance with high contention on wait event 'row cache lock' in 18.104.22.168
- The High Contention on 'row cache objects' could be on Dictionary Cache for objects "dc_users" or "dc_tablespaces"
- Systemstate or Hanganalyze dumps show that the waiting process Call Stack Waits for the Waiting Process on "row cache lock" event:
Upgrade to 22.214.171.124 / 126.96.36.199
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In this Document
Symptoms Changes Cause Solution References My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.