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Old 09-14-10, 05:57
rameshj6 rameshj6 is offline
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Cool Performance tuning

Hi All,

query is taking very long time to fetch the data in Production. The query use to run in few minutes 2 to 3 days back. Nothing has been changed since past few days for the concern tables.

Please guide me...

DB Version : 9.5 fix pack 2 ..os : aix
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Old 09-14-10, 06:31
Mathew_paul Mathew_paul is offline
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is the query dynamic or static if dynamic query take a snapshot of and chk the exec time it could be data has grown and required a new index to build
chk with explain plan and db2advise
regds
Paul
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Old 09-14-10, 15:11
rameshj6 rameshj6 is offline
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Thanks for your reply..

There is no change in db..No data has grown...Same records from last few days..in production support it is taking 2 mins in prod it is taking more then half an hour..
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Old 09-14-10, 15:32
ARWinner ARWinner is offline
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Check the access plan on both systems. If they match then you may be experiencing some sort of issue on the server like I/O bottlenecks. If they do not match, then you need to figure why. Maybe an index was dropped?

Andy
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