Re: Auto VACUUM

What's the complete error message?
Vacuum is using maintenance_work_mem. What is your setting
maintenance_work_mem compared to your RAM size.

Igor Neyman

> -----Original Message-----
> From: akp geek [mailto:akpgeek(at)gmail(dot)com]
> Sent: Wednesday, March 03, 2010 1:10 PM
> To: Joao Ferreira gmail
> Cc: pgsql-general
> Subject: Re: Auto VACUUM
>
> thank you . I changed the value to 1M and I started seeing
> the autovacuum being triggered. But I am getting the
> following message
>
> ERROR: canceling autovacuum task, is it because the table
> are getting updated and the vacuum process in place and
> vacuum happens at a later point of time
>
> Regards
>
>
>
> On Wed, Mar 3, 2010 at 1:02 PM, Joao Ferreira gmail
> <joao(dot)miguel(dot)c(dot)ferreira(at)gmail(dot)com> wrote:
>
>
> On Wed, 2010-03-03 at 12:46 -0500, akp geek wrote:
> > Hi All -
> >
> > I need some help from you. this question is
> in follow up
> > with my earlier questions. I turned the autovacuum
> and restarted the
> > db and the settings I have as follows. It seems the
> autovacuum process
> > has not been turned on. It's almost more than 3 hours
> I have restarted
> > my DB with following setting. I have ps -ef to see
> the proces list.
> > Is there some thing I am doing wrong.
> >
> > Can you please help?
>
>
> I'dd suggest leaving the "naptime" in the default (60 seconds)
>
> Your value is very high... too high... I'dd say....
>
> Use values around 60 seconds (never minutes)...
>
>
> >
> > Regards
> >
> > # - Query/Index Statistics Collector -
> > #track_activities = on
> > track_counts = on
> > #track_functions = none # none, pl, all
> > #track_activity_query_size = 1024
> > #update_process_title = on
> > #stats_temp_directory = 'pg_stat_tmp'
> >
> >
> >
> #-------------------------------------------------------------
> -----------------
> > # AUTOVACUUM PARAMETERS
> >
> #-------------------------------------------------------------
> -----------------
> >
> > autovacuum = on # Enable autovacuum
> subprocess? 'on'
> > # requires
> track_counts to
> > also be on.
> > #log_autovacuum_min_duration = -1 # -1
> disables, 0 logs all
> > actions and
> > # their
> durations, > 0 logs
> > only
> > # actions
> running at least
> > this number
> > # of milliseconds.
> > autovacuum_max_workers = 10 # max number
> of autovacuum
> > subprocesses
> > autovacuum_naptime = 180min # time
> between autovacuum runs
> > #autovacuum_vacuum_threshold = 50 # min number
> of row updates
> > before
> > # vacuum
> > #autovacuum_analyze_threshold = 50 # min number
> of row updates
> > before
> > # analyze
> > #autovacuum_vacuum_scale_factor = 0.2 # fraction of
> table size
> > before vacuum
> > #autovacuum_analyze_scale_factor = 0.1 # fraction of
> table size
> > before analyze
> > #autovacuum_freeze_max_age = 200000000 # maximum XID
> age before
> > forced vacuum
> > # (change
> requires restart)
> > #autovacuum_vacuum_cost_delay = 20ms # default
> vacuum cost delay
> > for
> > # autovacuum,
> in milliseconds;
> > # -1 means use
> > vacuum_cost_delay
> > #autovacuum_vacuum_cost_limit = -1 # default
> vacuum cost limit
> > for
> > # autovacuum,
> -1 means use
> > # vacuum_cost_limit
> >
> >
>
>
>
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