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Re: postgres performance tunning

From: Fernando Hevia <fhevia(at)gmail(dot)com>
To: selvi88 <selvi(dot)dct(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: postgres performance tunning
Date: 2010-12-20 15:50:13
Message-ID: AANLkTi=yEam8XMoOUj9nfizew=rsB3nhjyCEnY2wW_qF@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-performance
On Fri, Dec 17, 2010 at 07:48, selvi88 <selvi(dot)dct(at)gmail(dot)com> wrote:

>
> My requirement is more than 15 thousand queries will run,
> It will be 5000 updates and 5000 insert and rest will be select.
>
>
What IO system are you running Postgres on? With that kind of writes you
should be really focusing on your storage solution.


> Each query will be executed in each psql client, (let say for 15000 queries
> 15000 thousand psql connections will be made).
>
>
You will benefit from a connection pooler. Try fiddling with
maximum_connections till you hit a sweet spot. Probably you should start
with 20 connections and go up till you see your tps decrease.

Still, without deeply looking into your storage I wonder if you'll ever
reach your TPS objective.

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Subject: Re: postgres performance tunning
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