DBMS_PARALLEL_EXECUTE Is Not Distributing The Chunks Uniformly Resulting In Performance Issue.
(Doc ID 1916579.1)
Last updated on AUGUST 04, 2018
Applies to:PL/SQL - Version 188.8.131.52 to 184.108.40.206 [Release 11.2 to 12.2]
Information in this document applies to any platform.
*** Checked for relevance on 04th Aug 2018 ***
In 220.127.116.11.0 database version, the performance of the DBMS_PARALLEL_EXECUTE package has degraded slightly when compared to earlier releases and most chunks ended up being processed by a single job irrespective of the degree of parallelism specified.
Either database was upgraded to 18.104.22.168.0 release or it is a new 22.214.171.124.0 installation.
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!