Hi All,
I'm collecting some monitor information via JMX and currently I'm
interesting in how many threads are really serving requests.
My environment is composed by apache 2 + mod jk + tomcat 6.0.13.
Previously I monitored just::
Catalina:type=ThreadPool, attribute currentThreadsBusy
but it seems that using apache and mod_jk that value is not really what
I'd like to monitor basically (I think) since persistent connections
between apache and tomcat
What I'm doing now is something like:
int count = 0;
Set<ObjectName> processors =
agent.queryMBeanNames("*:type=RequestProcessor,*");
for (Iterator<ObjectName> itProcessors = processors.iterator();
itProcessors.hasNext();) {
ObjectName processorName = itProcessors.next();
String workerThreadName = (String)
agent.getAttribute(processorName.getCanonicalName(), "workerThreadName");
if (workerThreadName != null && !"".equals(workerThreadName)) {
count ++;
}
}
return count;
where "agent" is a mine class that works as wrapper around a jmx connection.
Mainly I count the number of "RequestProcessor" that have a not empty
workerThreadName.
What do you think about that ? is there a quicker way ?
Thanks
ste
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