Hello list,
With XWiki 3.1 I had managed following the below instructions to use:
> MBeanServer server = ManagementFactory.getPlatformMBeanServer();
> def mbeanEv = new GroovyMBean(server,
> 'jboss.cache:service=JBossCache,uniqueId=32dcce09,jmx-resource=CacheMgmtInterceptor')
> println("mbeanEv: " + mbeanEv + ", enabled: " + mbeanEv.StatisticsEnabled);
> println("evictions amount: " + mbeanEv.Evictions);
> println("hits amount: " + mbeanEv.Hits);
where the uniqueId was obtained by listing before.
But now that we use XWiki 3.5, I need to do it with Infinispan and it seems a
little bit more complex... something close to my lack of competency of mixing
Groovy and JMX:
I can do this:
for(def mbean in server.queryMBeans(new ObjectName("org.infinispan:*"),null)) {
out.println("<hr>");
out.println("name : " + mbean.getObjectName());
GroovyMBean mb = new GroovyMBean(server, mbean.getObjectName());
out.println("mb: " + mb);
}
which does show me the things I can see in JConsole, including an evictionRate
for some of the caches.
But I do not manage to"
- filter the objects that have a statistics
- extract this statistics.
Hints welcome.
paul
>>> The big annoyance with this process is that it can only run on our
>>> production server. So thus far I did not dare register a CacheListener in
>>> groovy fearing it would suddenly be slow.
>>>
>>> Has anyone used a different strategy or tool?
>>> I'm happy to post my little monitor script.
>>
>> FYI, newer versions of XE uses JBoss as the default cache implementation.
>> And JBoss offers JMX support.
>>
>> Thus you can get all sort of cache stats using JMX.
>
> Thanks Vincent,
>
> I knew a better core meant a better xwiki!
>
> Now, Ludovic convinced me that it was possible to upgrade the core and it
> starts to work: running the "old" gui of curriki.org (called curriki8) on
> xwiki core 3.2. This is quite exciting.
>
> I've explored:
> http://extensions.xwiki.org/xwiki/bin/view/Extension/JMX+Access
> which tastes right like I need it.
>
> But I am not sure to bridge the gap to obtain the information for the cache.
>
> I do not see how to port to the world above what I see at:
>
> http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Monitoring#HXWikiCachesMonitoring
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