From: Matt Schillinger <mschilli@vss.fsi.com>
Subject: Re: max memory size on input queue?
Date: 04 Jun 2003 12:12:08 -0500
Sender: nfs-admin@lists.sourceforge.net
Message-ID: <1054746729.4430.11.camel@mosix>
References: <3EDE192D.4000602@motorola.com>
Mime-Version: 1.0
Content-Type: text/plain
Cc: nfs@lists.sourceforge.net
To: Tom Georgoulias <tom.georgoulias@motorola.com>
In-Reply-To: <3EDE192D.4000602@motorola.com>
Errors-To: nfs-admin@lists.sourceforge.net

On Wed, 2003-06-04 at 11:07, Tom Georgoulias wrote:
> Is there any agreement on what is the safest, largest input queue memory 
> size?  /etc/syconfig/nfs has an option to turn this value to 256k, so it 
> that generally the best setting to use?  What about 512k?
> 
> Tom

I am not an expert on input queues, but from my experience, the 256K
recommendation is based on 8 threads.. the goal is to give 32K to each
thread, so if you have 16 threads, you would want 512K. I do not know if
there is a good way to find out if more on top of 32K would be good..
32K/thread (my servers run 64threads) works well for me so far with 1
Gigabit and two 100Mbit interfaces on each server.


> 
> 
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-- 
Matt Schillinger
mschilli@vss.fsi.com


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