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query slow only after reboot

From: Wei Yan <weiyan1(at)gmail(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: query slow only after reboot
Date: 2009-02-10 01:21:31
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance

Our queries are extremely slow only after db server reboot, not after
restart postgres db only. The difference is about 10 mins vs. 8 secs. Not
acceptable. I have browsed around , set the postgres db parameters as
suggested. Still the same.

Any suggestion on how to tackle the problem?



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Subject: Re: query slow only after reboot
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Subject: Re: explanation of some configs

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