[infinispan-dev] JGroups 2.8 and Infinispan

[Bela Ban]

In the 2.8 version, you must list *all* servers in the cluster in 
TCPPING.initial_hosts ! We will not be able to send messages to any 
server not in this list because we don't have its physical address !

We've been discussing this on the jg-dev list recently, and an idea is 
to add new servers not in the list to the list dynamically. Question is 
when to remove them...

While this is beeing discussed, I suggest you use MPING for the time being


Manik Surtani wrote:
> Guys I am seeing problems here again.
>
> Vladimir, you mentioned the problems you saw earlier had to do with 
> nodes not being in the initial TCPPING discovery list.
>
> In one of my dist rehash tests, I see this as well, although I don't 
> think it has to do with the initial discovery list.
>
> The test (will be in SVN soon) is 
> o.i.distribution.RehashTest#testNoDataLoss()
>
> The test starts 3 caches, populates state.  So far so good.
> Adds 3 more caches to the cluster.  Now here, in the process of adding 
> these, some of the original nodes cannot "see" some new nodes even 
> though views have been installed, leading to dropped packets.
> (the next part of the test kills the 3 original nodes, but the test 
> never gets this far).
>
> This is the sort of message we see in the logs.  Wonder if the "no 
> physical address" bit sheds any light.  (Note that the JGroups address 
> has been replaced with CACHE1..CACHE6 in the logs for readability)
>
> 2009-06-11 11:28:59,854 WARN  [org.jgroups.protocols.TCP] 
> (OOB-6,Infinispan-Cluster,CACHE3) no physical address for CACHE5, 
> dropping message
>
> Also, just so you know, this works perfectly well with JGroups 2.7.0.GA.
>
> Any thoughts/ideas?
>
> Cheers
> -- 
> Manik Surtani
> manik at jboss.org
> Lead, Infinispan
> Lead, JBoss Cache
> http://www.infinispan.org
> http://www.jbosscache.org
>
>
>
>
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-- 
Bela Ban
Lead JGroups / Clustering Team
JBoss - a division of Red Hat