Re: Reducing stats collection overhead

From: Gregory Stark <stark(at)enterprisedb(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: 2007-04-29 11:36:15
Message-ID: 87bqh7za34.fsf@oxford.xeocode.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers


"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:

> So I think that complicating the design with, say, a timeout counter to
> force out the stats after a sleep interval is not necessary. Doing so would
> add a couple of kernel calls to every client interaction so I'd really
> rather avoid that.
>
> Any thoughts, better ideas?

If we want to have an idle_in_statement_timeout then we'll need to introduce a
select loop instead of just directly blocking on recv anyways. Does that mean
we may as well bite the bullet now?

--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Dawid Kuroczko 2007-04-29 11:43:58 Re: Feature freeze progress report
Previous Message Stefan Kaltenbrunner 2007-04-29 11:36:00 Re: Feature freeze progress report