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Tag archives for Memory

Java: JVM parameters, Application Cache, Calculation of Memory Footprint
Hi, In a previous post http://www.javablog.fr/java-jvm-memory-parameters-outofmemoryerror-and-memory-checker.html, we spoke about solution in order to avoid the famous OutOfMemoryError: Java heap space or OutOfMemoryError: PermGen space errors and JVM parameters (-XX:PermSize, -XX:MaxPermSize, -Xms, -Xmx).   In this post, I would like to expose a simple method to calculate the memory footprint of JAVA objects in a cache in order to set the appropriate values of ...more»
Unix : state of memory command free
Hi, In order to avoid the problem epxlaind in the post http://www.javablog.fr/java-outofmemoryerror-and-memory-checker.html, there is an useful unix command free -tm: The values ​​are in MB, Mem is the actual RAM, Swap (specific to Unix) only serves to supplement the RAM (That is the ROM which serves RAM when needed). myAccount@javablogServer:~> free -tm ...more»
Java: JVM Memory Parameters, OutOfMemoryError and Memory checker
Hello, I would update my previous article concerning a solution in order to avoid the famous OutOfMemoryError: Java heap space or OutOfMemoryError: PermGen space errors. This error java.lang.OutOfMemoryError in Java is a subclass of java.lang.VirtualMachineError which is thrown by the Java Virtual Machine when it ran out of memory in heap or it cannot allocate an object because it is out ...more»
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