Showing posts with label jvm. Show all posts
Showing posts with label jvm. Show all posts
Thursday, February 6, 2014

Run time data areas - JVM Memory model

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I love to share an excellent article from Point software, It's just a brilliant composition and easy to understand with diagrams. Eve...
Friday, October 18, 2013

JVM: Permgen is a non-heap

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In Oracle's JVM, the permanent generation is not part of the heap. It's a separate space for class definitions and related data....

Troubleshooting Memory Leaks

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http://docs.oracle.com/javase/7/docs/webnotes/tsg/TSG-VM/html/memleaks.html Meaning of  OutOfMemoryError One common indication of a m...

Sizing the Java heap

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Size your Java heap so that your application runs with a minimum heap usage of 40%, and a maximum heap usage of 70%. Introduction An i...

Understanding 32-bit vs. 64-bit systems with Java Heap

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In general 32 bit and 64 systems http://superuser.com/questions/56540/32-bit-vs-64-bit-systems Java Heap with 32 bit and 64 bit machines...
Thursday, August 1, 2013

Heap Memory Analysis # SHALLOW HEAP

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HOW MUCH MEMORY DO I NEED  – WHAT IS SHALLOW HEAP? In the first post we pushed a whole lot of complexity away by stating that calculatin...

Heap Memory Analysis # RETAINED HEAP

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HOW MUCH MEMORY DO I NEED  – WHAT IS RETAINED HEAP? How much memory will I need? This is a question you might have asked yourself (or ot...

Heap Memory Analysis # Shallow heap vs Retained Heap

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Shallow heap The amount of memory that is consumed by one object. An object requires different amounts of memory depending on the operatin...
Thursday, May 9, 2013

OutOfMemoryError: unable to create new native thread

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Nice write up @  http://javaeesupportpatterns.blogspot.in/2012/09/outofmemoryerror-unable-to-create-new.html http://javaeesupportpatterns...