From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Magnus Hagander <magnus(at)hagander(dot)net> |
Cc: | Greg Smith <greg(at)2ndquadrant(dot)com>, Euler Taveira de Oliveira <euler(at)timbira(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Displaying accumulated autovacuum cost |
Date: | 2011-08-18 13:57:36 |
Message-ID: | 4731.1313675856@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Magnus Hagander <magnus(at)hagander(dot)net> writes:
> On Thu, Aug 18, 2011 at 03:23, Greg Smith <greg(at)2ndquadrant(dot)com> wrote:
>> On 08/17/2011 07:42 PM, Euler Taveira de Oliveira wrote:
>>> I don't like exposing this information only on title processes.
>> I tend to build the simplest possible thing that is useful enough to work.
> By only putting it in the ps display, you exclude all the users who
> don't have an easy way to look at that information. The big group
> there is Windows, but it's not necessarily easy on all other platforms
> as well, afaik.
Yeah. Also, process title updates are friggin expensive on some
platforms --- so much so, that we have a GUC setting to disable them.
So I don't think we should use that technique at all. Put the info
into the stats collector instead (not "also").
regards, tom lane
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