Hi guys, I have an urgent question. We have a process which is already up in our production environment. I need GC statistics since we have some doubts on stop-the-world case (application threads are stopped and waiting something very long). I mean by GC statistics, Full GC times and its frequency. Unfortunately, we didnot start this application with -verbose:gc parameters and no opportunity to add this parameter and restart it. Our application uses jre 1.4.x, so i cannot monitor it with jconsole. Could you advise me on how to get these GC statistics for this application??
You may not be able to generate GC stat files without lot of work. But one option will be to inspect the GC usage chart/graph in your app server console or use some third party real-time monitoring tools like quest spotlight.
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