EXADATA : DATABASE HANG ON CELL SMART TABLE SCAN'<='PX DEQ: EXECUTE REPLY in 12C
(Doc ID 2362938.1)
Last updated on FEBRUARY 20, 2019
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 12.1 to 12.2]
Oracle Exadata Storage Server Software - Version 220.127.116.11.0 to 18.104.22.168.2 [Release 11.1 to 11.2]
Information in this document applies to any platform.
Database performance decreased noticeably after upgrade to 12.1.
Hang Analyzer shows multiple parallel queries waiting on 'CELL SMART TABLE SCAN'<='PX DEQ: EXECUTE REPLY'
Cell image version is below version 22.214.171.124.0.
Database was recently upgraded to 12.1.
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document