Re: Autovacuum on by default?

From: "Larry Rosenman" <ler(at)lerctr(dot)org>
To: "'Alvaro Herrera'" <alvherre(at)commandprompt(dot)com>, "'Bruce Momjian'" <bruce(at)momjian(dot)us>
Cc: "'Matthew T(dot) O'Connor'" <matthew(at)zeut(dot)net>, "'Peter Eisentraut'" <peter_e(at)gmx(dot)net>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Autovacuum on by default?
Date: 2006-08-17 17:28:00
Message-ID: 001201c6c222$7d33c820$0202fea9@aus.pervasive.com
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Alvaro Herrera wrote:
> Bruce Momjian wrote:
>> Matthew T. O'Connor wrote:
>>> Bruce Momjian wrote:
>>>> Matthew T. O'Connor wrote:
>>>>
>>>>> and increasing the log level when autovacuum actually fires off a
>>>>> VACUUM or ANALYZE command.
>>>>>
>>>>
>>>> This was not done because the logging control only for autovacuum
>>>> was going to be added. Right now, if you want to see the vacuum
>>>> activity, you end up seeing debug stuff too (very ugly).
>>>
>>> Any chance we can make this change before release? I think it's
>>> very important to be able to look through the logs and *know* that
>>> you tables are getting vacuumed or not.
>>
>> Agreed. I just IM'ed Alvaro and he says pg_stat_activity should now
>> show exactly what autovacuum is doing (and if it doesn't, let's fix
>> it). I think that is the best solution to the monitoring problem,
>> rather than throwing lines in the server logs.
>
> Well, the problem is that it shows what it's *currently* doing, but it
> doesn't let you know what has happened in the last day or whatever.
> It can't answer "has table foo been vacuumed recently?" or "what
> tables haven't been vacuumed at all during this week?"

I added last vacuum and last analyze (both auto and manual) dates in the 8.2
tree.....

--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 512-248-2683 E-Mail: ler(at)lerctr(dot)org
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893

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