From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
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To: | Jeff Frost <jeff(at)frostconsultingllc(dot)com> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: How to tell what your postgresql server is doing |
Date: | 2005-04-20 05:21:41 |
Message-ID: | 4265E6E5.9010805@familyhealth.com.au |
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Lists: | pgsql-performance |
> Is there a way to look at the stats tables and tell what is jamming up
> your postgres server the most? Other than seeing long running queries
> and watch top, atop, iostat, vmstat in separate xterms...I'm wondering
> if postgres keeps some stats on what it spends the most time doing or if
> there's a way to extract that sort of info from other metrics it keeps
> in the stats table?
>
> Maybe a script which polls the stats table and correlates the info with
> stats about the system in /proc?
Turn on logging of all queries, sample for a few hours or one day. Then
run Practical Query Analyzer (PQA on pgfoundry.org) over it to get
aggregate query information.
Chris
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