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Connor McDonald

Thanks for the question, Sam.

Asked: February 20, 2017 - 5:17 pm UTC

Last updated: February 25, 2017 - 12:59 am UTC

Version: 11g

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You Asked

I need a query to find the sequence contention in oracle. Can you please provide it? Thanks in advance.
Sam

and Connor said...

If you *really* mean 'sequence contention' you would look for sessions that wait on event: 'enq: SQ - contention'.

Of course, when people say "sequence contention" they often really mean something else :-)

In particular, it seems strange that you would look explicitly for sequence contention - wouldn't you look for users/programs/etc having response times that you are not happy with, and then dig into the "why" ?

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Comments

Sam Jacob, February 21, 2017 - 2:39 pm UTC

Thanks

Sam Jacob, February 23, 2017 - 7:46 pm UTC

Where is Tom Kyte gone? I miss him. Did he retire from Oracle? He is no more answering questions on this forum.
Is he in north carolina?
Connor McDonald
February 25, 2017 - 12:59 am UTC

http://www.oracle.com/technetwork/issue-archive/2015/15-sep/last-asktom-2650480.html
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