[jboss-as7-dev] Problem met on as7 clustering with mod_cluster

[Weinan Li]

On Jan 20, 2012, at 7:07 PM, Radoslav Husar wrote:

> On 01/20/2012 11:59 AM, Weinan Li wrote:
>> 
>> On Jan 20, 2012, at 3:58 AM, Radoslav Husar wrote:
>> 
>>> On 01/19/2012 07:31 PM, Weinan Li wrote:
>>>> Now there's another question: How can I configure mod_cluster to use
>>>> round-robin to distribute requests?
>>> 
>>> Weinan,
>>> 
>>> mod_cluster has been built around the idea of load-balancing
>>> intelligently by communicating load from the server to the
>>> load-balancer. Round-robin is far from intelligent :-) and there is no
>>> such option.
>>> 
>>> Look at what options you have for configuring load metrics in AS7
>>> http://docs.jboss.org/mod_cluster/1.1.0/html_single/#LoadMetric (so
>>> "requests" might be the best one to actually see it load-balance).
>>> 
>>> You might also want to try killing the server to see it fail-over to
>>> the other instance.
>> I've tried to kill domain controller and the requests are forwarded to
>> slave host, and sessions are not lost. Cool!
>> 
>> Another question: can domain controller be also support failover?
> 
> Now that's a question for Brian :-)
> 
> But if I remember correctly, this was not coming in 7.1, I cant seem to find the Jira for it.
Get it, thank you for help Rado :-) Anyway, I've finished writing this article in Chinese about AS7 Clustering with all your help (I believe this is the first *complete* step-by-step article about how to setting up a working domain+clustering AS7 on internet):

http://bluedash.net/t/cd1e78c90099c8b8aadf7a1884b56669



> 
> Rado

Cheers,
- Weinan Li
JBoss, Redhat