[Engine-devel] Ideas about engine clustering?

[Yedidyah Bar David]

Hi, 

> From: "plysan" <plysab at gmail.com>
> To: engine-devel at ovirt.org
> Sent: Wednesday, August 21, 2013 4:49:31 PM
> Subject: [Engine-devel] Ideas about engine clustering?

> Hello, guys:

> I'm trying to make a jboss clustering environment for engine. But felt the
> difficuty too.
> So I want to know if any one is working on this? I googled it and haven't
> found anything.

> I know there will be lots of things to do for engine migrating to clustering
> environment. I just want to know what problem need to be solved?
> I would like to list the things I think that is needed to do(or solve):
> 1. run jboss in standalone-ha mode or domain mode.
> 2. add @Clustered annotation to each EJB, I think this will solve the
> replication problem in cluster, probably lots of details in it.
> 3. QuartzScheduler problem, only one node running a scheduler is enough at a
> time instead of each node running one.
> 4. use mod_cluster to handle load balancing.
> 5. postgresql clustering.
> 6. There should be more, but hope anyone can think about it :D

> Any ideas?

Depending on your needs/interests, you might want to have a look at 
ovirt-hosted-engine-setup - allows creating a VM on a host and install an 
engine on that VM which will also manage the host 
ovirt-hosted-engine-ha - allows configuring two such hosts for high availability 
of the engine VM (in the VM level, not application level which is what you discussed above). 
Both are work-in-progress and are partially usable. Not ready for production, though. 

Regards, 
-- 
Didi 
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