Clustering in JBoss 6.2 EAP

[sreekanth.munarai]

Hi All,

Can any one provide me link/documentation re JBoss clustering in windows server.

I have Apache as an web server in front of JBoss. How can i balance load and avoid fail-over.

Please advice.

Thanks,

Sreekanth

[lylewang]

https://access.redhat.com/documentation/en-US/JBoss_Enterprise_Application_Platform/6.2/html/Administration_and_Configuration_Guide/chap-HTTP_Clustering_and_Load_Balancing.html

https://docs.jboss.org/author/display/AS72/AS7+Cluster+Howto

It doesn't make a lot of differences whether you're running Windows or Linux.

For JBoss EAP, you can use either standalone mode, or domain mode (just make sure use HA or Full-HA profile), depending on your setup and preferences.

For load balance, mod_cluster is recommended.

>> How can i balance load and avoid fail-over.

So you don't want fail-over ?

[sreekanth.munarai]

Hi Lyle,

Thanks for your links!!

Sorry,I have framed wrong statement "how can i balance load and avoid fail-over."

My requirement is, Whenever My Application server1 goes down, requests should redirect to App Server2 without any downtime.

Or can you advise me what if i use both Active App servers, i mean both app servers should be up and running distributing the requests from Apache.

What would be the better way to pursue?

[lylewang]

The 2 links I gave in my last comment should be what you're after, if I'm understanding your requirements correctly.

Build up a test env. and follow those link to do a lab you'll understand how it works.

"AS7 Cluster Howto" uses domain mode which is convenient to manage multiple jboss instances (especially when you have more than 4 or 5 nodes)

But if there are only 2 nodes then I'd prefer standalone mode, easy to start with... you can google this and there are plenty of blogs / examples for setting up EAP6/JBossAS7 cluster in standalone mode.

Once setup the cluster and mod_cluster, you can test load-balancing / failover / session replication.

Session replication is enabled by adding the <distributable/> tag in your app deployment (with JBoss using "-ha" profile of course), you don't have to use session replication, if it's not required in your env./app.

(from your description you need load balance and fail over only ?)

[sreekanth.munarai]

Lyle,

Yes, i need only load balance and fail over.

I don't have much knowledge of session replication,great if you would share some light on it.

I will follow links provided by you and start testing.Thanks.