Re: Reducing stats collection overhead
- From: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
- To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
- Cc: <pgsql-hackers(at)postgreSQL(dot)org>
- Subject: Re: Reducing stats collection overhead
- Date: Sun, 29 Apr 2007 12:14:21 +0100
- Message-id: <1177845261.3663.88.camel@silverbirch.site> <text/plain>
On Sun, 2007-04-29 at 00:44 -0400, Tom Lane wrote:
> The first design that comes to mind is that at transaction end
> (pgstat_report_tabstat() time) we send a stats message only if at least
> X milliseconds have elapsed since we last sent one, where X is
> PGSTAT_STAT_INTERVAL or closely related to it. We also make sure to
> flush stats out before process exit.
Sounds like a good general, long term solution.
--
Simon Riggs
EnterpriseDB http://www.enterprisedb.com
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