| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
| Cc: | Shiva Sarna <shivasarna(at)yahoo(dot)co(dot)in>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: increasing database connections |
| Date: | 2007-03-01 06:18:18 |
| Message-ID: | 45E6702A.5060602@commandprompt.com |
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| Thread: | |
| Lists: | pgsql-performance |
Jonah H. Harris wrote:
> On 3/1/07, Shiva Sarna <shivasarna(at)yahoo(dot)co(dot)in> wrote:
>> I am sorry if it is a repeat question but I want to know if database
>> performance will decrease if I increase the max-connections to 2000. At
>> present it is 100.
>
> Most certainly. Adding connections over 200 will degrade performance
> dramatically. You should look into pgpool or connection pooling from
> the application.
huh? That is certainly not my experience. I have systems that show no
depreciable performance hit on even 1000+ connections. To be fair to the
discussion, these are on systems with 4+ cores. Usually 8+ and
significant ram 16/32 gig fo ram.
Sincerely,
Joshua D. Drake
>
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