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Performance Issue Bill Of Material Loop Report (BOMRBOMS) Completing Too Slow After R12 Upgrade (Doc ID 1518823.1)

Last updated on FEBRUARY 22, 2019

Applies to:

Oracle Bills of Material - Version 12.1.3 and later
Information in this document applies to any platform.


The BOM Loop report runs too slow for all items and does not complete.
In R12 is has run for as long as 64 hours without completing. DBA had to manually terminate.

What is working
In R12, for one or a few items, the report runs very fast in seconds.
In 11.5.10 it completed in less than 5 minutes for the same results taking 64+ hours in R12.

Expected Behavior
Expect the report to run in 5 minutes on R12.

Sample Counts

1. Bills > Reports > Loop report
2. Runs for 60+ hours.


Upgraded from R11i (where the report worked fast) to R12 (where the report is slow).


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