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Reply from CWK on Feb 21 at 4:51 PM Diane -
I'm not sure your problem is like the one we had if you're only using it for LTP. We also use it for in-process production orders. We found that capacity planning was reading all the KBED records for the relevant work center(s) - even those for orders that had long since been completed. We were processing millions of rows to no purpose.
If you are doing capacity planning on production orders, then you probably have useless KBED records. That's the table where the heart of the capacity planning data resides for each operation.
We found we could get rid of the unneeded KBED records for production orders that use capacity planning by using CO02 to open the order, go to the Control tab, and deselect Calculate Capacity Requirements checkbox in the Scheduling section of the tab. Saving the order caused the KBED records to disappear. (If you reopen the order, select the checkbox and Save, then the KBED records are restored).
Once we determined we could get rid of unneeded KBED records this way, we modified an existing custom transaction that does mass changes to production orders to deselect this field (upon request). We ran the couple of hundred thousand completed orders through the transaction and cleaned up a LOT of garbage. Performance improved noticeably. Capacity Planning is a dog under the best of circumstances so don't look for a truly real-time experience (maybe when we go to HANA).
Once we proved this helped performance, we created more custom code that automatically reopens an order after it has been fully confirmed and deselects the checkbox. (It might be easier to do the same thing with a nightly run.)
As part of this effort, we also identified production schedulers that were configured to perform capacity planning, but no one had ever used it in those areas - so we made sure capacity requirements were only be generated for production areas that actually use capacity planning.
Note that the configuration for capacity planning for MRP and Production are controlled differently. OPU5 controls LTP. OPU3 controls production.
Good luck,
Carl
| | | ---------------Original Message---------------
From: Diane S
Sent: Tuesday, February 21, 2017 3:19 PM
Subject: run time concerns wit CM38
we have also experienced issues with CM38. We also use it to plan labor at the plant level. We load 2 years forward to LTP with version attached to a scenario, but we can not longer run cm38 at the plant level in one run.
I saw a thread about this but it was closed due to inactivity. We are on ECC6
Any thoughts would be appreciated |
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