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Re: Issue with pg_toast tables

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2012/11/26 Ranjeet Dhumal <jeetu.dhumal@xxxxxxxxx>:
> Hi Pavel ,
>
> For Tunning  this which parameter i have to change  from the configuration ,
> and at the time of setting it up which thinks i have to care i mean what
> will be the impact of that ?

you have to use full vacuum

Regards

Pavel


>
>
> On 26 November 2012 12:09, Pavel Stehule <pavel.stehule@xxxxxxxxx> wrote:
>>
>> Hello
>>
>> 2012/11/26 Ranjeet Dhumal <jeetu.dhumal@xxxxxxxxx>:
>> > Hi All ,
>> >
>> > Am facing one problem related to pg_toast table , its grown very huge
>> > upto
>> > 31GB , even am vacuuming(not full) it daily , my fsm parameters are
>> > default,
>> > can anyone  tell how to decrease the size , if am firing any query on
>> > gen_bulk_20121126 its response time is very slow as compared to few days
>> > before .
>> > For changing fsm parameters it will need restart , can anyone suggest me
>> > any
>> > other way for decreasing the size of this pg_toast tables.
>> >
>>
>> lazy vacuum doesn't decrease size
>>
>> Regards
>>
>> Pavel Stehule
>>
>> >
>> >                  nspname           |                            relname
>> > |    size   |                  refrelname               |
>> > relidxrefrelname          | relfilenode    | relkind  | reltuples    |
>> > relpages
>> >
>> > -----------------------------------------+----------------------------------------------------------------+------------+-----------------------------------------------+-----------------------------------------------+------------------+-----------+----------------+----------
>> >  pg_toast                            | pg_toast_123049508
>> > | 31 GB   |        gen_bulk_20121126            |
>> > |   123049512 | t          |  16340229 |  4051494
>> >
>> >
>> > --
>> > --Regards
>> >   Ranjeet  R. Dhumal
>> >
>> >
>
>
>
>
> --
> --Regards
>   Ranjeet  R. Dhumal
>
>


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