[f-nsp] serveriron XL loadbalancer using 100% cpu

[Timothy Arnold]

Dave,

Just wondering how many virtual IP addresses you have set-up? And how many 
connections per second you are getting? The XL max throughput is 900 mpbs 
according to technical specs.

I guess you could look at memory also?

HTH
Tim

----- Original Message ----- 
From: "David Morehead" <morehead at choopa.com>
To: <foundry-nsp at puck.nether.net>
Sent: Friday, May 06, 2005 7:29 PM
Subject: [f-nsp] serveriron XL loadbalancer using 100% cpu


> My company recently purchased a serverironxl loadbalancer (16 ports with
> 1 gigabit fiber port) we attached 16 webservers to the device and setup
> the virtual and real servers appropriately everything was running fine
> with the servers running stand alone no loadbalancing. Once we changed
> dns to use the loadbalanced ips the cpu went to 99% and download speeds
> decreased significantly. It was pushing about 700 mbits before
> loadbalancing was turned on after we started using the load balancing
> traffic went down 30%, there are a few hundred websites running on all
> these servers.
>
> So im wondering if this is just to much for the device to handle? I
> would think it should not be a problem for it but im no expert. we have
> another server iron pushing over 780 mbits but with fewer sites behind
> it. So could it be the large number of sites overwhelming the device?
> its running firmware ver Version 07.3.05T12
>
> thanks in advance for any help
> dave
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