DBMS_PARALLEL_EXECUTE Is Not Distributing The Chunks Uniformly Resulting In Performance Issue.
Last updated on JULY 31, 2017
Applies to:PL/SQL - Version 22.214.171.124 to 126.96.36.199 [Release 11.2 to 12.2]
Information in this document applies to any platform.
*** Checked for relevance on 31st Jul 2017 ***
In 188.8.131.52.0 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 184.108.40.206.0 release or it is a new 220.127.116.11.0 installation.
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms