Re: Vacuums taking forever :(

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От Phoenix Kiula
Тема Re: Vacuums taking forever :(
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Msg-id e373d31e0902030544t638b5c80s2300082d4a4cde5f@mail.gmail.com
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Ответ на Re: Vacuums taking forever :(  (Andreas Wenk <a.wenk@netzmeister-st-pauli.de>)
Ответы Re: Vacuums taking forever :(  (Andreas Wenk <a.wenk@netzmeister-st-pauli.de>)
Список pgsql-general
On Tue, Feb 3, 2009 at 9:09 PM, Andreas Wenk
<a.wenk@netzmeister-st-pauli.de> wrote:
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> Phoenix Kiula schrieb:
>> In my conf_pg, the autovacuum is on, so the DB should be (or I hope is
>> being) regularly vacuumed.
>>
>> These are my settings:
>>
>>
>> work_mem                     = 20MB
>> temp_buffers                 = 4096
>> authentication_timeout       = 10s
>> ssl                          = off
>> checkpoint_warning           = 3600
>> random_page_cost             = 1
>> autovacuum                   = on
>> autovacuum_vacuum_cost_delay = 20
>> vacuum_cost_delay            = 20
>> autovacuum_naptime           = 10
>> stats_start_collector        = on
>> stats_row_level              = on
>> autovacuum_vacuum_threshold  = 75
>> autovacuum_analyze_threshold = 25
>> autovacuum_analyze_scale_factor  = 0.02
>> autovacuum_vacuum_scale_factor   = 0.01
>>
>
> Hi ,
>
> just a quick thought. What is your maintenance_work_mem parameter set to? I think with
> that lot Updates and Inserts this should not be too low ...



maintenance_work_mem = 512M
wal_buffers                  = 64
checkpoint_segments          = 128
checkpoint_timeout           = 900
fsync                        = on



Is this enough? My server has 4GB RAM.

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