Statistic Calculation Was FORCED SERIAL Due to PIN_VIRTUAL_COLUMNS
(Doc ID 1918284.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Communications Billing and Revenue Management - Version 184.108.40.206.0 to 220.127.116.11.0 [Release 7.5.0]
Information in this document applies to any platform.
Standard Oracle statistics calculation by DBMS_STATS was very slow due to FORCED SERIAL in PIN_VIRTUAL_COLUMNS package which has been created without PARALLEL_ENABLE clause.
The execution plan for statistics calculation looked like this:
In order to prevent FORCED SERIAL, it was required to add PARALLEL_ENABLE in order to make statistic calculation works in parallel.
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