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NewRelic Java API and Transaction boundaries

I want to monitor a critical part of our Java Application (Glassfish v3.1.2 JSF2 application). I want to track a specific function call as a new transaction. This method can be called within the "/Faces Servlet" or any other JAX-RS transactions.

The @Trace annotation seems to be perfect for my case but reading the doc it is not clear if it supports nested transactions (like the REQUIRES_NEW J2EE transaction semantic).

Here is the method I want to track

@Trace(dispatcher=true, matricName="Internal/Query")
public void query(Query q) {
       long st = -System.currentTimeMillis();
       // do my stuff
       st += System.currentTimeMillis();
       NewRelic.addCustomParameter("Client", q.getClient());
       // Add useful parameters
       NewRelic.recordResponseTimeMetric("Internal/Query/queryTime", st); // Is this needed?
}

And for example a JAX-RS WS like this :

@GET
public Response wsquery(...) { // <- Start NewRelic Transaction T1
       myBean.query(q1); // <- Start nested Transaction T1.1
       myBean.query(q2); // <- Start nested Transaction T1.2
}

Will I Have 3 transactions tracked? One for the JAX-RS call to wsquery and two for Internal/Query.

Thanks.

Solution

  • Based off of the information provided it's not certain exactly what you're going to get. I recommend giving it a test. You can also bump up the logging level to the "finest" level and see exactly what is being instrumented. If you run into issues beyond that contact us at http://support.newrelic.com