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Lightweight leak detection

Moderators: Vladimir Kondratyev, Anton Katilin

Lightweight leak detection

Postby BobHansen » Thu Mar 16, 2006 4:22 pm

OptimizeIt and AppPerfect both have a display that includes the current count of objects by class. They also have the ability to "zero out" the object counts, and display the difference between the current object counts/memory and the baseline object counts.

The information displayed is identitcal to that displayed when you take a stack dump with the HotSpot JVM with the -XX:+PrintClassHistogram option.

This kind of lightweight leak detection is very handy for our developers when trying to decide what user actions are causing leaked objects. Taking a snapshot of a 1GB process, wiggling the mouse for a big, then taking another snapshot and doing the comparison has too much overhead for our guys.

Would it be possible to add this kind of functionality to the YK telemetry view?
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