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how to generate a heap dump and what is the default location of heap dump and what is the format ?
pardeep131085
- Aug 21st, 2013
There are several method to take heap dump, see the following methods HeapDumpOnCtrlBreak Set this option when starting JVM.It will create heap dump every time ctrl+break (kill -3) signal is sent to ...
Ritam
- May 5th, 2013
To generate a heap dump we need to login to dmgr level bin directory and run the below
Code- ./wsadmin.sh<----after that wsadmin prompt will come
- wsadmin>set jvm[$AdminControl CompleteObjectNames
- type=jvm,process=server1,*]<---server1 will be that server for which you are taking dumps
- wsadmin>$AdminControl.invoke $jvm generateheapdumps
- Default location:temp
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what is heap memory ?
pardeep131085
- Aug 21st, 2013
The heap (also known as the free store?) is a large pool of memory used for dynamic allocation. The heap is a region of your computers memory that is not managed automatically for you, and is not as t...
Ragapriya Sukumaran
- Feb 21st, 2013
Heap memory is the memory allocated to JVM to store the Java objects used while running a program. Heap memory is logically divided into Eden, Old/Tenured and Permanent space wherein Eden holds the sh...
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What is the purpose of garbage collection
The purpose of garbage collection is to identify and discard objects that are no longerneeded by a program so that their resources may be reclaimed and reused.
sivapurammani
- Dec 17th, 2013
In simple terms we can say garbage collector removes the unreferenced objects from the memory. In general the memory should have some limitation. In JVM for accomplishing tasks we create objects and ...
pardeep131085
- Aug 21st, 2013
garbage collection is the process of looking at heap memory, identifying which objects are in use and which are not, and deleting the unused objects. An in use object, or a referenced object, means th...
