find memory waste, like redundant String objects, empty collection objects, etc.compute paths from the garbage collector roots to interesting objects.explore the object graph, both inbound and outbound references.find the biggest objects, as MAT provides reasonable accumulated size (retained size).The Eclipse Memory Analyzer tool (MAT) is a fast and feature-rich heap dump analyzer that helps you find memory leaks and analyze high memory consumption issues. 3.3 What if the Heap Dump is NOT Written on OutOfMemoryError?.
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