Re: slower with the time

shared_buffers = 32

I don't have much experience in tuning the database, but I think there
is a problem with a fragmentation of memory or so.
I don't known backgrounds.

Juraj

Shridhar Daithankar schrieb:

>On Tuesday 01 July 2003 13:17, Juraj Porada wrote:
>
>
>>I insert data every second in my table. Every minute I delete from the
>>table some row to keep max 10000 rows in the table.
>>At the beginning deletes consume about 20% CPU time. After 24 houts
>>every delete needs up tu 100% CPU time (updates too).
>>Vacuuming doesn't help.
>>After I restart postmaster, it works again very quick.
>>Any ideas?
>>
>>
>
>Postmaster does not consume CPU for simple things like this unless it does not
>have enough shared buffers.
>
>What is your shared buffer setting? Can you tune it according to available
>RAM, dataset size and type of workload?
>
> Shridhar
>
>
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