Re: UltraMonkey capable?

Simon Horman <[email protected]> Thu, 18 Jun 2009 09:12:37 +1000
Newsgroups gmane.linux.highavailability.ultramonkey
Message-ID <[email protected]>
On Wed, Jun 17, 2009 at 08:35:18AM -0700, Christopher Cramer wrote:
> 
> I am looking for a Load Balancer that is written in Java that I can
> extend.  I want to be able to send messages from the Servers back to the
> Load Balancer which tell the Load Balancer how each Server is doing (i.e.
> the Server determines that it is doing poorly and wants to inform the
> Load balancer to throttle back some of the requests, or the Server is
> doing great and can handle more work (not an All or None response from
> the LB.)

Hi Christopher,

The load balancing portion of Ultra Monkey is called IPVS or LVS, it lives
inside the Kernel and is thus written in C. feedbackd implements a similar
system to what you describe on top of IPVS. It runs in user-space and
reconfigures IPVS as necessary. I imagine that you could implement a
similar system running on tip of IPVS written in Java if needed.

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