Performance of Archive Jobs Since Switching Partitions

Hi,
Since MIMIX switching from one partition to another , the run time for archive write jobs on EC_PCA_ITM archiving object has increased from 9 minutes to several hours and for delete jobs from less than an hour to up to 8 hours. This is for GLPCA file which has 7 indexes which I believe are maintained across the mirror by the journal delete entry to the target.
The partitions have the same amount of resource memory/CPU/disk following a switch. We have stopped SAP and deleted SQL packs as part of switch. The only action I performed was to switch off journaling on what was the target system and is now the primary system on file GLPCA to try to speed up the MIMIX apply backlog but I don't see this caused the problem ; 200million records were deleted during this time. I have not performed any re-orgs on this file as yet ( it will take 2 weeks and I was leaving it until all data deleted) but this should not be the difference ?
Any advice which may correct my understanding or action to identify the problem would be appreciated.
Regards
David

Hi David,
I am thinking from Archiving functionality that is causing this performance when MIMIX switching from one partition to another.
During writing of archive file by write program, it will call for functional module ARCHIVE_PUT_RECORD & ARCHIVE_SAVE_OBJECT, in this area I think system is taking long time because of switiching partition. you can debug.
Where are Delete program will first read archive file sequentially and then delete data from database... here also i feel that due to switching it might be taking more time.
Performance issue is only with EC_PCA_ITM or other archiving objects also?
-Thanks,
Ajay
Edited by: Ajay Kumar on Feb 23, 2010 2:51 PM
Edited by: Ajay Kumar on Feb 23, 2010 3:11 PM

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