Last updated on SEPTEMBER 15, 2017
Applies to:Oracle Communications Billing and Revenue Management - Version 220.127.116.11.0 to 18.104.22.168.0 [Release 7.5.0]
Information in this document applies to any platform.
Checked for relevance on 11-Mar-2016.
Checked for relevance on 15-Sep-2017.
On : BRM 22.214.171.124.0 version, Event Management
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.
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