Re: [UNSURE] Re: autovacuum

 From what you described, I am running with autovacuum.

Makes sense to make a good idea default in the distro builds...

On May 13, 2007, at 9:49 AM, Michael Fuhr wrote:

> On Sat, May 12, 2007 at 03:48:14PM -0400, Tom Allison wrote:
>> I noticed that under 8.2 the autovacuum isn't running (logging) every
>> 60s like I'm used to seeing.
>
> See the 8.2 Release Notes:
>
> http://www.postgresql.org/docs/8.2/interactive/release-8-2.html
>
>   * Remove routine autovacuum server log entries (Bruce)
>
>     pg_stat_activity now shows autovacuum activity.
>
> In 8.2 the "autovacuum: processing database" messages are logged
> at DEBUG1; in 8.1 they were logged at LOG.
>
>> I pretty much just took the defaults in the postgresql.conf file
>> since that's always seemed to work before.
>
> Autovacuum was first incorporated into the backend in 8.1 and it's
> disabled by default in 8.1 and 8.2, at least in source builds (it
> might be enabled by default in some pre-packaged distributions).
> What do you have in postgresql.conf for the following settings?
>
> autovacuum
> autovacuum_naptime
> stats_start_collector
> stats_row_level
> log_min_messages
>
> Do you see any warnings like the following in the server logs?
>
> WARNING:  autovacuum not started because of misconfiguration
> HINT:  Enable options "stats_start_collector" and "stats_row_level".
>
>> I'm not making a lot of changes to the database right now (insert/
>> update/delete) but I thought I would still get the logging.
>
> If you have autovacuum and row-level statistics enabled then
> autovacuum should be running.  I'd guess you aren't seeing the
> routine messages because they're logged at DEBUG1 and you have
> log_min_messages at a level that doesn't show debug messages.
>
> --
> Michael Fuhr
>
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