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this is one of those tasks that just screams "USE SQL!!!!"

other than that....another thing that can & will slow you down is join
LFs....

Thanks,
Tommy Holden



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No and there are Not many deleted records in these files...

Best Regards.

James Fu

TDL Group Corp. (Tim Hortons)
Oakville, Ontario
Direct: 905-339-5798
fu_james@xxxxxxxxxxxxxx
Web: http://www.timhortons.com



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any number of things. Like, has anyone done a
RGZPFM FILE(MYLIB/MYPF) MBR(MYMBR) KEYFILE(MYLF MYMBR)
to sort it in any particular order? That can help blocking.

Rob Berendt
--
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





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We are updating a field (company code) in some very large physical files.
These PFs are created by DDS, without journaling.
We use the similar RPG program (very simple, just read and update) on them
and the system environment is exactly the same.
One batch job for each PF. Some jobs can update more than 5 millions
record
per hour, some can do 1 millions
per hour, while some can only do 100 thousands per hour. At first, I
think
the reason might be the number of dependent logical files.
But then I found a PF with 36 dependent LFs is 10 times faster than a PF
with 30 dependent LFs. Any clues for me?
Thanks...

Best Regards.

James Fu

TDL Group Corp. (Tim Hortons)
Oakville, Ontario
Direct: 905-339-5798
fu_james@xxxxxxxxxxxxxx
Web: http://www.timhortons.com

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