[mod_cluster-dev] Show cluster in mod-cluster-manager ?

Bela Ban bban at redhat.com
Tue Jul 6 10:00:50 EDT 2010



Paul Ferraro wrote:
> On Tue, 2010-07-06 at 15:23 +0200, Bela Ban wrote:
>> jean-frederic clere wrote:
>>> On 07/06/2010 02:55 PM, Bela Ban wrote:
>>>> A domain shows that it has node1, node2, node3, but that doesn't
>>>> necessaily mean that node[1-3] really formed a cluster !
>>> So you mean you want an additional information in the
>>> /mod_cluster-manager and have something like:
>>> Node1:
>>> Balancer: mycluster,Domain: dom1,cluster: cluster0,...
>>> Node2:
>>> Balancer: mycluster,Domain: dom1,cluster: cluster0,...
>>> node3:
>>> Balancer: mycluster,Domain: dom1,cluster: cluster1,...
>>> or node3:
>>> Balancer: mycluster,Domain: dom1,cluster: ,...
>> The information should also show the node in the cluster, e.g.
>> Node1:
>> Balancer: mycluster,Domain: dom1,cluster: cluster0 [Node1,Node2]
>> Node2:
>> Balancer: mycluster,Domain: dom1,cluster: cluster0 [Node1,Node2]
>>
>>
>> We should make sure though that mod_cluster_manager doesn't get
>> overloaded with this information... node names can get long !
>>
>>> Correct? ... How could we get that information? In the STATUS MCMP?
>> Brian, Paul ?
>
> If you wanted this information in mod_cluster-manager, it would need to
> be sent via STATUS ... however, in general, I don't think we should be
> pushing any information to httpd that it would not "use" - after all, it
> is not the appropriate place to manage a jgroups cluster.
> Ideally JON should be the ultimate go-to source for this kind of
> information - just as it is for all clusters in the AS.

Yes - agreed, but it'll take time to get this into JON, so meanwhile it 
would be nice to have something in mod_cluster_manager


-- 
Bela Ban
Lead JGroups / Clustering Team
JBoss


More information about the mod_cluster-dev mailing list