Re: High load average in 64-core server , no I/O wait and CPU is idle

From: Stephen Frost <sfrost(at)snowman(dot)net>
To: "Rajesh Kumar(dot) Mallah" <mallah(at)tradeindia(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: High load average in 64-core server , no I/O wait and CPU is idle
Date: 2012-05-24 17:09:12
Message-ID: 20120524170912.GQ1267@tamriel.snowman.net
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* Rajesh Kumar. Mallah (mallah(at)tradeindia(dot)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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