[jboss-as7-dev] DOCS: Researching details for standalone clustering

[Darrin Mison]

On 29/04/2011, at 11:31 AM, Jason Greene wrote:

> Correct. Right now the only thing you can do is use infinispan and jgroups directly.

That makes sense.  :-)

I guess I was thinking more in terms of the intended features for GA.  Or am I getting in too early ?

Is there an outline somewhere of the intended features for clustering ?


> Sent from my iPhone
> 
> On Apr 28, 2011, at 10:09 AM, Andrig Miller <anmiller at redhat.com> wrote:
> 
>> 
>> 
>> ----- Original Message -----
>>> From: "Darrin Mison" <dmison at redhat.com>
>>> To: jboss-as7-dev at lists.jboss.org
>>> Sent: Wednesday, April 27, 2011 7:24:58 PM
>>> Subject: [jboss-as7-dev] DOCS: Researching details for standalone clustering
>>> Hi, I'm chasing down details about the "standalone clustering" (as
>>> included in Beta3) for documentation.
>>> 
>>> I've noted the following:
>>> 1 - There's a clustering-standalone.xml configuration file in
>>> standalone/configuration that you can start the server with using
>>> ./standalone.sh -server-config=clustering-standalone.xml
>>> 
>> 
>> Actually, no.  It turns out that the command-line argument handling in Beta 3, requires this syntax:
>> 
>> ./standalone.sh -server-config clustering-standalone.xml
>> 
>> The "equal" sign does not work, but a space does.  I believe Jason hinted that he might fix this, so it may change in Beta 4.
>> 
>>> 2 - This configuration differs from the standard config in that:
>>> - the org.jboss.as.clustering extension is enabled
>>> - some additional items are configured in the
>>> urn:jboss:domain:osgi:1.0 subsystem
>>> - 2 new subsystems configured (jgroups and infinispan)
>>> - 6 new socket bindings added to the standard-sockets group for
>>> jgroups
>>> 
>>> So exactly what feature set does this give you out of the box for
>>> clustering?
>> 
>> So far, nothing that I can tell.  I just had a e-mail conversation with Remy on what I thought might be an issue with HTTP session replication, but he says its not in there yet.
>> 
>> Also, while there is a configuration for Hibernate 2LC, that also is not completely implemented.
>> 
>> My guess is that none of what's configured is actually complete.
>> 
>>> 
>>> I'm guessing session replication between standalone instances with
>>> JGroups for intra-node communication and Infinispan for storage?
>>> 
>>> Anything else?
>>> 
>>> Other questions:
>>> 
>>> How does each instance determine which other instances it should be
>>> clustered with?
>>> 
>>> Does this work with multiple instances on one machine (multi-homed or
>>> on different ports)?
>>> 
>>> Can multiple standalone instances using "cluster" configuration live
>>> on the same network but not all be one cluster? Like 10 instances as 2
>>> clusters of 5 for example?
>>> 
>>> Aside from centralized management, what are the other key features
>>> from domain mode that you won't get from standalone clustering ?
>>> 
>>> Are there any known changes that are going to be made to this feature
>>> set for GA ?
>>> 
>>> 
>>> Thanks in advance.
>>> 
>>> 
>>> 
>>> 
>>> --
>>> Darrin Mison
>>> "I'm not a JBoss Developer, I just play one on TV"
>>> Content Author - Engineering Content Services
>>> Red Hat, Inc.
>>> 
>>> 
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-- 
Darrin Mison
"I'm not a JBoss Developer, I just play one on TV"
Content Author - Engineering Content Services
Red Hat, Inc.