Re: supporting 2000 simultaneous connections.

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Bill Moran <wmoran(at)collaborativefusion(dot)com>
Cc: Shiva Sarna <shiva(dot)sarna(at)yahoo(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: supporting 2000 simultaneous connections.
Date: 2007-03-01 16:34:27
Message-ID: 45E70093.2020705@commandprompt.com
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Bill Moran wrote:
> In response to Shiva Sarna <shiva(dot)sarna(at)yahoo(dot)com>:
>
>> Hi,
>>
>> I am working on a web application where the front end is struts framework
>> and back end is PgSQL 7.4.

*cough*, you are going to greatly decrease your ability to scale if you
are running anything less than 8.1.
>
> Performance _will_ degrade if all of those connections are busy at once, but
> that's going to happen with any shared system. The disk can only read from
> one area at a time, and other system resources will be contended for as well.

7.4 doesn't scale to what he wants, even on big hardware.

Sincerely,

Joshua D. Drake

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