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From: Stephen Frost <sfrost@snowman.net>
To: Rajesh Kumar. Mallah <mallah@tradeindia.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: High load average in 64-core server , no I/O wait and CPU is idle
Date: Thu, 24 May 2012 13:09:12 -0400
Message-ID: <20120524170912.GQ1267@tamriel.snowman.net> (raw)
In-Reply-To: <8120287.465321337878795023.JavaMail.root@zmbox01.trade-india-local.com>
References: <20120524155737.GP1267@tamriel.snowman.net>
	<8120287.465321337878795023.JavaMail.root@zmbox01.trade-india-local.com>

* Rajesh Kumar. Mallah (mallah@tradeindia.com) wrote:
> We are running linux with kernel 3.2.X 
> (which has the lseek improvements)

Ah, good.

> Thanks for the reference , even i thought so (LockManager) ,
> but we are actually also running out db max connections (also) 
> ( which is currently at 600) , when that happens  something at 
> the beginning of the application stack also gets dysfunctional and it 
> changes the very input to the system. ( think of negative feedback systems ) 

Oh.  Yeah, have you considered pgbouncer?

> It is sort of complicated but i will definitely update list , 
> when i get to  the point of putting the blame on DB  :-) .

Ok. :)

	Thanks,

		Stephen

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