Re: Logging pg_autovacuum

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От Bruce Momjian
Тема Re: Logging pg_autovacuum
Дата
Msg-id 200604272021.k3RKL2f13196@candle.pha.pa.us
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Ответ на Re: Logging pg_autovacuum  ("Larry Rosenman" <lrosenman@pervasive.com>)
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Uh, while you are at it, the background writer and checkpoint operations
need similar treatment.  :-)

---------------------------------------------------------------------------

Larry Rosenman wrote:
> Tom Lane wrote:
> > "Larry Rosenman" <lrosenman@pervasive.com> writes:
> >> I'd like to see a more concrete definition of what we
> >> want Autovacuum to output and at what levels.
> > 
> > I would argue that what people typically want is
> > 
> >     (0)    nothing
> > 
> >     (1)    per-database log messages
> > 
> > or
> > 
> >     (2)    per-table log messages (including per-database)
> > 
> > The first problem is that (2) is only available at DEBUG2 or below,
> > which is not good because that also clutters the log with a whole lot
> > of implementer-level debugging info.
> > 
> > The second problem is that we don't really want to use the global
> > log_min_messages setting to determine this, because that constrains
> > your decision about how much chatter you want from ordinary backends.
> > 
> > I suggest that maybe the cleanest solution is to not use log level at
> > all for this, but to invent a separate "autovacuum_verbosity" setting
> > that controls how many messages autovac tries to log, using the above
> > scale.  Anything it does try to log can just come out at LOG message
> > setting.
> 
> This sounds like a winner to me.  Anyone else want to grab it?  I'm 
> in the position to try and do this, but don't want to step on anyone
> else's toes.
> 
> LER
> 
> > 
> >             regards, tom lane
> 
> 
> 
> -- 
> Larry Rosenman
> Database Support Engineer
> 
> PERVASIVE SOFTWARE. INC.
> 12365B RIATA TRACE PKWY
> 3015
> AUSTIN TX  78727-6531
> 
> Tel: 512.231.6173
> Fax: 512.231.6597
> Email: Larry.Rosenman@pervasive.com
> Web: www.pervasive.com
> 

--  Bruce Momjian   http://candle.pha.pa.us EnterpriseDB    http://www.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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