Hard to believe that TCP would be better, as TCP creates a mesh of
connections; for 400 nodes, with every node sending, you'll have roughly
400*400 connections !
I always had a much better experience with UDP
On 3/19/11 2:37 PM, david marion wrote:
Initially yes, but I think we are getting better stability using TCP. I switched it back
to TCP yesterday. I can post specifics of what I did in the TCP configuration, but the
short story is I increased a lot of the timeout values to get it to work.
Dave Marion
> Date: Sat, 19 Mar 2011 10:50:54 +0100
> From: bban(a)redhat.com
> To: infinispan-dev(a)lists.jboss.org
> Subject: Re: [infinispan-dev] Infinispan Large Scale support
>
>
>
> On 3/18/11 10:35 PM, Dave wrote:
>> Won't be able to get CR4 uploaded, policy dictates that I wait until final
>> release. However, I was able to get 431 nodes up and running as a replicated
>> cluster and 115 nodes up as a distributed cluster. For the 430 node cache, I
>> was able to get it started with no problems about 50% of the time. When they
>> formed multiple clusters they merged together only some of the time. It
>> really does appear to be a startup issue at this point. We have not pushed
>> it hard enough yet to see what happens at this scale under load.
>>
>>
>>
>> Any idea when CR4 will be FINAL?
>>
>> Are there any tools to help diagnose problems / performance at this scale (I
>> ended up writing my own monitor program)?
>
>
> Yes, there's probe.sh at the JGroups level. I created a JIRA to provide
> a sample for large clusters. You said you based your config on udp.xml,
> correct ?
>
> [1]
https://issues.jboss.org/browse/JGRP-1307
>
> --
> Bela Ban
> Lead JGroups / Clustering Team
> JBoss
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Bela Ban
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