Re: PATCH: Split stats file per database WAS: autovacuum stress-testing our system

From: Tomas Vondra <tv(at)fuzzy(dot)cz>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: PATCH: Split stats file per database WAS: autovacuum stress-testing our system
Date: 2013-01-06 04:03:38
Message-ID: 50E8F79A.9040008@fuzzy.cz
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On 3.1.2013 20:33, Magnus Hagander wrote:
> On Thu, Jan 3, 2013 at 8:31 PM, Tomas Vondra <tv(at)fuzzy(dot)cz> wrote:
>> On 3.1.2013 18:47, Heikki Linnakangas wrote:
>>> How about creating the new directory as a direct subdir of $PGDATA,
>>> rather than buried in global? "global" is supposed to contain data
>>> related to shared catalog relations (plus pg_control), so it doesn't
>>> seem like the right location for per-database stat files. Also, if we're
>>> going to have admins manually zapping the directory (hopefully when the
>>> system is offline), that's less scary if the directory is not buried as
>>> deep.
>>
>> That's clearly possible and it's a trivial change. I was thinking about
>> that actually, but then I placed the directory into "global" because
>> that's where the "pgstat.stat" originally was.
>
> Yeah, +1 for a separate directory not in global.

OK, I moved the files from "global/stat" to "stat".

Tomas

Attachment Content-Type Size
stats-split-v5.patch text/plain 37.3 KB

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