Scott,

I¹ve looked at the sample configuration file on the JA-SIG wiki, however I
was curious how memcached handles cluster membership for lack of a better
word.  One of the things we are getting burned on by JBoss/Jgroups is the
frequency the cluster is being fragmented.

Thanks,
Andrew


On 10/14/08 8:58 AM, "Scott Battaglia" <[EMAIL PROTECTED]> wrote:

> We've disabled the registry cleaners since memcached has explicit time outs
> (which are configurable on the registry).  We've configured it by default with
> 1 gb of RAM I think, though I doubt we need that much.
> 
> -Scott
> 
> -Scott Battaglia
> PGP Public Key Id: 0x383733AA
> LinkedIn: http://www.linkedin.com/in/scottbattaglia
> 
> 
> On Mon, Oct 13, 2008 at 11:41 PM, Patrick Hennessy <[EMAIL PROTECTED]> wrote:
>> 
>> I've been working on updating from 3.2 to 3.3 and wanted to give
>> memcached a try instead of JBoss.  I read Scott's message about
>> performance and we've had good success here with memcached for other
>> applications.  It also looks like using memcached instead of JBoss will
>> simplify the configuration changes for the CAS server.
>> 
>> I do have the JBoss replication working with CAS 3.2 but pounding the
>> heck out of it with JMeter will cause some not so nice stuff to happen.
>>   I'm using VMWare VI3 and configured an isolated switch for the
>> clustering and Linux-HA traffic.  I do see higher traffic levels coming
>> to my cluster in the future, but I'm not sure if they'll meet the levels
>> from my JMeter test. (I'm just throwing this out there because of the
>> recent Best practice thread.)
>> 
>> If I use memcached, is the ticketRegistryCleaner not needed anymore?  I
>> left those beans in the ticketRegistry.xml file and saw all kinds of
>> errors.  After taking it out it seems to load fine and appears to work,
>> but I wasn't sure what the behavior is and I haven't tested it further.
>>   What if memcached fills up all the way?  Does anyone have a general
>> idea of how much memory to allocate to memcached with regards to
>> concurrent logins and tickets stored?
>> 
>> Thanks,
>> 
>> Pat
>> --
>> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>> Patrick Hennessy                          ([EMAIL PROTECTED])
>> 
>> Senior Systems Specialist
>> Division of Information and Educational Technology
>> Delaware Technical and Community College
>> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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> 
> 
> 
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