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I still find at times very large differences in the Load Averages of the
servers.
Also WLC has no idea what else (non httpd) that might be happening on a
server. Maybe I am compiling something for some reason, or I have a
large cron. It would be nice if LVS could redirect load accordingly.
-Ry
-----Original Message-----
From: lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx
[mailto:lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Andres
Tello Abrego
Sent: Monday, March 17, 2003 10:33 AM
To: LinuxVirtualServer.org users mailing list.
Subject: Re: Changing weight based on actual system load?
My experiene over lvs...
if a machine takes longer, to have pages proccesed, there are more
active
connections, so, lvs redirect the conections to the other nodes...
in that way, u get "balanced" on load too...
I''m using a very heave java application, and that is what I get...
And I have 3 diferrents servers... Actually, I use wlc, exatly for that,
cpu load balance...
On Mon, 17 Mar 2003, Bruno Bonfils wrote:
> Joseph Mack <mack.joseph@xxxxxxx> writes:
>
> >> I could write my own via perl to check things like load averages,
> >
> > no-one's done it (yet), presumably on the assumption that all
> > machines are indentical and on the average will get identical loads.
> >
> No, even if you'are indentical box, customers can read differents
> page. Some of them may heavy php/sql which implies a higher load
> average than a simple static html file. (in the case of http load
> balancing..)
>
> Well, I think it should be interesting to devel a small application
> running on real server which send the load average on the box to the
> real server which adapt the weight automatically.
>
> - Just an opinion of a poor LVS user
>
> --
> Bruno Bonfils
> http://www.debian-fr.org/ http://www.asyd.net/
>
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>
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