jhat
What is the memory overhead for analyzing a heap with jhat?
jhat is a great tool for analyzing Java heap dumps, but for large heaps its easy to waste a lot of time. Give jhat a runtime heap too small, and it may take 15 minutes to fail and run out of memory.[详细]
2023-04-10 18:50 分类：问答Huge heap dump (11GB) - Jhat failed & Eclipse MAT needed help
We got a memory error in o开发者_StackOverflow社区ur EA and we used -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/path/to/some/dir to dump the heap at the time of OOM.[详细]
2023-03-06 04:35 分类：问答Is there any basic gc generation size and ratios for application in production
开发者_开发问答How much should be the initial size of the young generation? How much should be -XX:+NewRatio?[详细]
2023-01-30 15:06 分类：问答How to analyze the heap dump using jhat
I ran the jhat on the heap dump, it has generated the reports. H开发者_StackOverflowow do i use the report to analyze the heap.I couldn\'t understand completely other than the instance count. Is there[详细]
2023-01-30 05:35 分类：问答OQL for finding new objects only in heap dumps?
Does anyone know the OQL syntax for finding new objects only in a heap output? I can\'t find good documentation on OQL options, sun even has an example of new-only output without sample syntax of the[详细]
2022-12-08 06:17 分类：问答
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