From: | Szabolcs BALLA <szballa(at)confinsystems(dot)com> |
---|---|
To: | Robin Iddon <robin(at)edesix(dot)com>, pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Autovacuum probably not working? |
Date: | 2006-04-28 12:03:17 |
Message-ID: | 44520485.1050002@confinsystems.com |
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Lists: | pgsql-admin |
Robin Iddon írta:
> Szabolcs BALLA wrote:
>
>> Hi,
>>
>> I delete 30M record from the db (8.1.0). I made query about size of the
>> tables, but after 1 day the size of the tables not changed. (Autovacuum
>> settings was original)
>> So, I change the autovacuum setting but after another day the size not
>> changed.
>>
>> autovacuum_naptime = 10
>> autovacuum_vacuum_threshold = 1000
>> autovacuum_analyze_threshold = 500
>> autovacuum_vacuum_scale_factor = 0.1
>> autovacuum_analyze_scale_factor = 0.1
>> autovacuum_vacuum_cost_delay = -1
>> autovacuum_vacuum_cost_limit = -1
>>
>>
>
> Check your FSM sizes in postgresql.conf ...
>
> Robin
>
>
shared_buffers = 153600
work_mem = 524288
maintenance_work_mem = 786432
max_fsm_pages = 510000
max_fsm_relations = 10000
Cost-Based Vacuum Delay is on default settings.
So, i thing my settings are ok. What do you think?
Thanks,
Szabek
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