Re: Logging pg_autovacuum

Martijn van Oosterhout wrote:
> On Fri, Apr 28, 2006 at 03:18:56PM -0500, Larry Rosenman wrote:
> > > Martijn van Oosterhout <kleptog@svana.org> writes:
> > >> You know, rather than adding new columns to pg_class, why not extend
> > >> the stats collector to collect this information.
> > 
> > That sounds doable.  And a lot less scary for me (as a relative
> > noobie) to do.
> 
> Well, I've been thinking a bit more and it seems a perfect fit in many
> ways. None of the info we're talking about here takes any extra time to
> calculate, it's all debates about what to log. So send it to the stats
> collector and let it deal with it.
> 
> It should probably tie in with normal vacuum. We get requests from time
> to time from people wanting to know the last time a table was vacuumed
> (not autovacuumed) for example. 

Yup, currently the stock VACUUM code emits stat messages about what it's
doing, which is right the place where to put this stuff.  (See
pgstat_report_vacuum and pgstat_report_analyze).

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.