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From Shimik <>
Subject Re: Best practice for using Topic in medium to large cluster
Date Sun, 20 Jul 2008 08:16:36 GMT

Does anyone tried this kind of use case with BlobMessage?


Shimik wrote:
> What is the best practice for using topic in medium to large cluster?
> In the topologies document ( it
> says:
> "Multicast is great in development though often you might want to disable
> this feature in production and have well known servers fixed on specific
> machines. Often socket based communication (using pointcast) is much
> faster & better for heavy-lifting - particularly on Java - so we tend to
> recommend to use multicast mostly for discovery and use TCP / SSL for your
> heavy duty messaging."
> In a system where all the clients need to receive all the messages and
> some of the messages can be really big (a few megabytes and maybe more)
> 1. shouldn't multicast be used? What about JGroups or JRMS?
> 2. Wouldn't it choke the network if I send all the messages to all the
> clients in TCP?
> 3. Wouldn't it choke the network having well known servers fixed on
> specific machines?
> 4. Does anyone have any experience with this use case?
> Shimi 

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