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From "Hiram Chirino" <>
Subject Re: Gridcomputing over JMS
Date Tue, 24 Oct 2006 19:53:17 GMT
go with 4.x stuff as it's much more stable and feature rich.  umm.. once the
download servers are back up.

On 10/24/06, sanne <> wrote:
> Hi,
> If would like to use JMS for loadbalancing and failover. Basically there
> are
> 6 web frontends which have to send search requests to say 10 search
> servers.
> I hope ActiveMQ can help provide the technology to build this.
> Maybe the best solution would be to introduce a central broker where all
> the
> requests are gathered and scattered.
> But, this provides extra maintanance, and a single point of failure. So I
> would like to embed brokers in the web frontends and/or in the search
> servers.
> The way I see it is that the web frontends post the requests on a queue
> named requestQueue, with a JMSReplyTo that is specific to the web
> frontend.
> One of the search servers reads the request from the requestQueue and
> posts
> the reply on the designated queue.
> As far as i can see the network of brokers option in ActiveMQ provides
> such
> an option. What would be the best way to solve this? As far as the
> requestQueue goes, message ordering is not that important: as long as the
> requests get fullfilled by a random search server I'm happy. Total
> ordering
> of the requests across the web frontends is not necessary. The amount of
> messages would be 100 - 200 per second over a 100Mb network with good
> switches.
> At the moment I'm trying out ActiveMQ 3.2.2, as the download links of the
> 4.x links are not working. Any suggestions on what options would give the
> best results?
> Regards,
> Sanne de Roever
> --
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