| From: | Scott Ribe <scott_ribe(at)elevated-dev(dot)com> |
|---|---|
| To: | preetika tyagi <preetikatyagi(at)gmail(dot)com> |
| Cc: | "pgsql-general(at)postgresql(dot)org General" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: query execution time |
| Date: | 2011-03-21 20:30:51 |
| Message-ID: | AABF2DE3-E820-4BCA-BF36-EDD795C919DC@elevated-dev.com |
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| Lists: | pgsql-general pgsql-students |
On Mar 21, 2011, at 12:03 PM, preetika tyagi wrote:
> I tried running the same query after reboot and back-to-back, it was taking less time in both the cases. It means the problem is something else.
>
> Can there be a reason which is more hardware/operating system specific and due to which the behavior is not uniform?
While I do have a couple of ideas, you're probably better served by letting those here with more optimization experience help you, as their answers will be more complete.
--
Scott Ribe
scott_ribe(at)elevated-dev(dot)com
http://www.elevated-dev.com/
(303) 722-0567 voice
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