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heapdump
::: tip dump java heap, 类似 jmap 命令的 heap dump 功能。 :::
使用参考
dump 到指定文件
[arthas@58205]$ heapdump /tmp/dump.hprof
Dumping heap to /tmp/dump.hprof...
Heap dump file created
只 dump live 对象
[arthas@58205]$ heapdump --live /tmp/dump.hprof
Dumping heap to /tmp/dump.hprof...
Heap dump file created
dump 到临时文件
[arthas@58205]$ heapdump
Dumping heap to /var/folders/my/wy7c9w9j5732xbkcyt1mb4g40000gp/T/heapdump2019-09-03-16-385121018449645518991.hprof...
Heap dump file created