[jboss-dev] Do we need mod_cluster.sar in "default" JBoss AS config?

Chris Bredesen cbredesen at redhat.com
Thu Sep 23 14:17:55 EDT 2010


Oh, it definitely happens.  I'm doing it right now.  Whether it requires 
mod_cluster, I dunno.  But I'm hitting my local instance of EAP through 
Apache.

-CB

On 09/23/2010 02:05 PM, Bill Burke wrote:
> Well, I disagree.  I can't see many (any) people using httpd, a proxy,
> or load balancing during development.  Again, IMO, its not 'all' vs.
> 'default', but 'production' vs. 'dev'.  'production' should be
> performance tuned, secured, and clustered out of the box.  'dev's
> priority should be to boot uber fast out of the box.
>
> On 9/23/10 1:39 PM, Paul Ferraro wrote:
>> mod_cluster will use the AJP connector if it is defined, though it does
>> not require it (i.e. it can use the HTTP connector).  That said, I
>> completely disagree with the notion that we shouldn't include support
>> for httpd proxying in a development profile.  This is not an uncommon
>> setup for a development environment.  As mod_cluster is now our
>> recommended httpd proxying/load balancing technology, IMO, it is quite
>> appropriate to include it in the "default" profile.
>>
>> On Thu, 2010-09-23 at 11:52 -0400, Bill Burke wrote:
>>> mod-cluster has replaced the old AJP connector?  I'm advocating removing
>>> anything from 'default' that doesn't make sense for development.
>>>
>>> On 9/23/10 11:46 AM, Paul Ferraro wrote:
>>>> mod_cluster.sar provides AS support for the mod_cluster httpd module.
>>>> The "default" profile has always included support for the mod_jk and
>>>> mod_proxy httpd modules via the AJP connector in jbossweb.sar's
>>>> server.xml and the supporting JvmRouteValue.  Are you advocating for the
>>>> removal of these from "default" as well?
>>>>
>>>> On Wed, 2010-09-22 at 11:39 -0400, Bill Burke wrote:
>>>>> As I've stated before, we should move away from 'all' vs. 'default' and
>>>>> instead focus on 'production' and 'development' profiles.  IMO,
>>>>> mod-cluster, or any clustering, should not be in the 'development'
>>>>> profile no matter how fast or slow it is.  In my experiments, gutting
>>>>> non-development and legacy components had a significant impact 5-10% on
>>>>> boot time.
>>>>>
>>>>> On 9/22/10 5:14 AM, Jaikiran Pai wrote:
>>>>>> Had a chat with Remy about this and it looks intentional to have it in
>>>>>> "default". Since this doesn't add any noticeable time during the AS
>>>>>> boot, I believe it's OK to have it in "default".
>>>>>>
>>>>>> -Jaikiran
>>>>>> On Wednesday 22 September 2010 02:11 PM, Jaikiran Pai wrote:
>>>>>>> In AS trunk, I see that we are deploying mod_cluster.sar in the
>>>>>>> "default" JBoss AS config. Do we need that for "default"?
>>>>>>>
>>>>>>> -Jaikiran
>>>>>>>
>>>>>>>
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