what is difference between cor dump and heap dump. Explain the situation when you have to take thead dump and when to take heap dump
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Answer / naresh
Core Dump: A Binary file which is generated by the
operating system whenever a process gets crashed. If a Java
Process gets crashed OS generates a Core Dump for Java
Process.The Core Dump contains informations of the
Operating System Signals, Thread Details (Native Threads
details), Native Libraries information etc.
Heap Dump: A Binary File Generated by the JVM itself (Not
By the OS). Heap Dump contains the complete informations of
the java heap objects and their references, total count of
the objects present inside the Java Heap. Heap Dump is
helpful to see what kind of objects consuming more memory
in the Java Heap, Which helps us to find out any kind of
Memory Leak
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