| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| 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: | 2007-04-29 10:08:18 |
| Message-ID: | 200704291008.l3TA8JT27139@momjian.us |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > Yes, it seems we will have to do something for 8.3.
>
> Yeah, we've kind of ignored any possible overhead of the stats mechanism
> for awhile, but I think we've got to face up to this if we're gonna have
> it on by default.
>
> > I assume the method
> > below would reduce frequent updates of the stats_command_string too.
>
> No, stats_command_string is entirely independent now.
Oh, right, we used shared memory. No wonder it isn't on the TODO list
anymore. ;-)
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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