$ java -XX:PermSize=128M -XX:MaxPermSize=256M -Xms512m -Xmx3500m MaxMemory RedHat 5.5 - x86 - VMWare VM with 4 GB RAM (about 3.8 GB used - 200 MB in buffers and 3.1 GB in caches, so about 3 GB free) $ alias java='$HOME/jre/jre1.6.0_34/bin/java' usr/bin/java: ELF 32-bit LSB executable 80386 Version 1, dynamically linked, not stripped, no debugging information availableĢ6841 user1 665M 22M sleep 59 0 0:00:00 0.0% java/12 Java HotSpot(TM) Server VM (build 20.14-b01, mixed mode)
#JAVA VIRTUAL MACHINE 64 BIT FOR WINDOWS 7 KEYGEN#
Java(TM) SE Runtime Environment (build 1.6.0_41-b02) There is a large chunk of RAM that ZFS caches use, but I don't have root access to check how much exactly $ java -XX:PermSize=128M -XX:MaxPermSize=256M -Xms512m -Xmx3650m MaxMemoryĬould not reserve enough space for object heapĬould not create the Java virtual machine. It seemed to take only about 100 MB per instance started (I started 10) Solaris 10 - x86 - VMWare VM with 8 GB RAM (about 3 GB free*) PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWPĢ8274 user1 670M 32M sleep 59 0 0:00:00 0.0% java/35īTW: Apparently Java does not allocate much actual memory with the startup.
usr/bin/java: ELF 32-bit MSB executable SPARC Version 1, dynamically linked, not stripped, no debugging information available Java HotSpot(TM) Server VM (build 20.5-b03, mixed mode)
Java(TM) SE Runtime Environment (build 1.6.0_30-b12) Waiting for user to press Enter to finish. Here is some testing under Solaris and Linux 64-bit Solaris 10 - SPARC - T5220 machine with 32 GB RAM (and about 9 GB free) $ java -XX:PermSize=128M -XX:MaxPermSize=256M -Xms512m -Xmx3750m MaxMemoryĮrror occurred during initialization of VMĬould not reserve space for ObjectStartArray You can ask the Java Runtime: public class MaxMemory /lib/native/linux/x86_32/ĬWSDK1001I: Successfully performed the requested managesdk task.
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