[jboss-jira] [JBoss JIRA] (AS7-4043) Expose additional web subsystem metrics

[Brian Stansberry (JIRA)]

Brian Stansberry created AS7-4043:
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             Summary: Expose additional web subsystem metrics
                 Key: AS7-4043
                 URL: https://issues.jboss.org/browse/AS7-4043
             Project: Application Server 7
          Issue Type: Feature Request
          Components: Web
            Reporter: Brian Stansberry
            Assignee: Remy Maucherat


A user has requested that some further web subsystem metrics be exposed via the management interface:

"When we run JVM with "-Dorg.apache.tomcat.util.ENABLE_MODELER=true"
option, we can get currentThreadsBusy via JMX.
e.g.
 ObjectName poolObjName = new
ObjectName("jboss.web:type=ThreadPool,name=ajp-0.0.0.0-0.0.0.0-8009");
 ajpCurrentThreadsBusy = ((Integer) pfServer.getAttribute(poolObjName,
"currentThreadsBusy")).intValue();

It is nice if we could get the information via CLI like:
 /subsystem=web/connector=ajp13:read-attribute(name=current-threads-busy)

Additionally, We also would like to get activeSessionCount. We can get
the information via JMX like:
 ObjectName sessionObjName = new
ObjectName("jboss.web:type=Manager,path=/tpcw,host=default-host");
 activeSessions = ((Long) pfServer.getAttribute(sessionObjName,
"activeSessionCount")).intValue();

And it is nice if we could get the information with CLI like:
 /deployment=tpcw.war/subsystem=web/servlet=TPCWServletWithEncoding:read-attribute(name=active-session-count)"


I don't think the active-sessionc-count belongs under the "servlet" resource though, since sessions are not associated with servlets.

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