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Re: Off topic: Realserver performance.

To: Benjamin Lee <ben@xxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Off topic: Realserver performance.
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Joseph Mack <mack@xxxxxxxxxxx>
Date: Tue, 19 Sep 2000 09:50:30 -0400 (EDT)
On Wed, 20 Sep 2000, Benjamin Lee wrote:

> 
> In practical experience, under what kind of real server load (cpu /
> hard disks / network) does an end user/client 'feel' the slow down
> (any service, http especially)? ie. is it the same for a server as for
> a desktop machine where we feel the 'slow down' when our cpu is up in
> the 80%+ usage (and similarly for the hard disk (60%?) and network
> (80%?) -- I'm just throwing in values off the top of my head.

no idea sorry
 
> The reason for the question is I'm trying simulate a network with LB
> and RSvrs. And I need an intuitive cut off point as to when a real
> server should be considered 'over loaded' and thus should be left
> alone for a while.

with LVS you don't have that choice. Each real-server is loaded
progressivley attempting to keep the load the same on all machines.
You can't cut off one machine at a certain load.

Joe

--
Joseph Mack mack@xxxxxxxxxxx



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