I attempted to open a 20GB hprof file and it took over 3.5 hours to finish processing in MAT and VisualVM. Even worse, it was unusablely slow. Just clicking on an object instance in VisualVM takes ...
This project is a low overhead sampling profiler for Java that does not suffer from the Safepoint bias problem. It features HotSpot-specific API to collect stack traces and to track memory allocations ...
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