Re: Autovacuum on by default? - Mailing list pgsql-hackers

From Larry Rosenman
Subject Re: Autovacuum on by default?
Date
Msg-id 002301c6c223$657024d0$0202fea9@aus.pervasive.com
Whole thread Raw
In response to Autovacuum on by default?  (Peter Eisentraut <peter_e@gmx.net>)
Responses Re: Autovacuum on by default?  (Bruce Momjian <bruce@momjian.us>)
List pgsql-hackers
Bruce Momjian wrote:
> Larry Rosenman wrote:
>> 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.....
> 
> Uh, where?  I don't see it in pg_class, pg_database, or pg_autovacuum.
> Is it somewhere else?

pg_stat_*_tables


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



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