Re: Auto VACUUM - Mailing list pgsql-general

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@gmail.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.miguel.c.ferreira@gmail.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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