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Performance Issue Due To High Elapsed Time In ATP Post Plan Processing Program (Doc ID 1570550.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle Global Order Promising - Version 11.5.10 to 12.1.3 [Release 11.5 to 12.1]
Information in this document applies to any platform.


On : version, Memory Based Planner

This program runs 2-3 times a day in Billy and takes 150+ minutes to complete .There are several SQL statements which are getting bad plans due to the table msc_atp_detail_peg_temp. Full table scans are being used when it should be using the index on the item id. Since these SQLs are executed inside a loop, the full scan time adds up. This is a simple fix and we can fix it by adding hints to the cursor. This is standard product code, so you should also open a bug.

Expect to perform better

The issue can be reproduced at will with the following steps:
Trigger Plan after completion of Planner it will trigger ATP post plan. Navigation - ASC->Launch

The issue has the following business impact:
Due to this issue, users cannot .


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In this Document
 For 11.5.10
 For 12.1.3  apply the following patch

This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process and therefore has not been subject to an independent technical review.
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