Networker

Re: [Networker] Tuning Networker for multiple CPUs

2007-05-14 12:49:53
Subject: Re: [Networker] Tuning Networker for multiple CPUs
From: Yaron Zabary <yaron AT ARISTO.TAU.AC DOT IL>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Mon, 14 May 2007 19:46:16 +0300
Goslin, Paul wrote:
Our Networker server is a Dell Power Edge 2650 with 4 physical CPUs (as
recommended by EMC), 2GB memory. The Windows Server 2003 running on it
makes the 4 CPUs appear as 8 total CPUs. We don't really seem to see all
the CPUs being utilized by the Networker server software while backups
are running.... Is there any tuning or tweaking that can be done to
improve the CPU utilization by the software ? All I know is that when
ANY backup sessions are running on the server, response time of the
Windows GUI is lethargic at best, it takes forever to do a simple task ,
such as postpone a scheduled task to run at a later time, etc.....
 I have seen poor response time with the Windows GUI. If you have a
Unix client, I suggest that you will launch nwadmin (you need to have an
X11 display) and compare performance.
 As for Networker itself (Unix version), the server's work is split
among many processes, nsrd, nsrmmdbd, nsrindexd and nsrmmd (one for each
device) to name a few, so it is usually able to split the load to many CPUs.
Regards

Paul Goslin
IS&TS Unix Administration

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--

-- Yaron.

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