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Ray--

Is the file you're reading set to rebuild access path only when the
file is opened?  That would account for the delay opening the file
for the first time.

I'm not sure if the system would keep the access path around for 20
minutes as you've found, but if it's the same session, it might.

--Paul E Musselman
PaulMmn@ix.netcom.nospam.com




>We have an RPG program that reads approximately 4500 records from
>file A and reads matching records in file B using account number.
>File B has a total of 2 million records.
>It takes about 60 to 70 seconds to complete the processing when the program
>is called for the first time. But it takes only 3 to 4 seconds to complete
>the processing, when the program is called again 2nd or 3rd or 4th or
>5th...time. Processing time is 60 to 70 seconds only for the first call.
>This happens again if the session is idle for 20 minutes or more. We
>couldn't find out why is this processing time more only for the first call
>to the RPG program. We verified and found that this problem exist
>anytime, irrespective of the peak/non-peak hours of the day.
>
>Any help is greatly appreciated.
>
>Ray


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