'Java Heapdump - jsm <pid> -all GC.heap_dump

There is no -all option for jcmd command as per documentation. https://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/tooldescr006.html

  1. execute jcmd with -all option. GC is not triggered and can not see [Full GC (Heap Dump Initiated GC) in GC logs.

  2. execute jcmd with -all option. GC is triggered and can see [Full GC (Heap Dump Initiated GC) in GC logs.

Is there any specific behaviour with -all option and not mentioned in documentation.

javagarbage-collectionheap-memoryheap-dumpjcmd


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