Thursday, May 9, 2013

Default settings for the JVM

Info @ http://publib.boulder.ibm.com/infocenter/javasdk/v6r0/index.jsp?topic=%2Fcom.ibm.java.doc.user.lnx.60%2Fdiag%2Fappendixes%2Fdefaults.html



JVM settingAIX®IBM® iLinuxWindowsz/OS®Setting affected by
Default localeNoneNoneNoneN/ANonee
Time to wait before starting plug-inN/AN/AZeroN/AN/Ae
Temporary directory/tmp/tmp/tmpc:\temp/tmpe
Plug-in redirectionNoneNoneNoneN/ANonee
IM switchingDisabledDisabledDisabledN/ADisablede
IM modifiersDisabledDisabledDisabledN/ADisablede
Thread modelN/AN/AN/AN/ANativee
Initial stack size for Java™ Threads 32-bit. Use:-Xiss<size>2 KB2 KB2 KB2 KB2 KBc
Maximum stack size for Java Threads 32-bit. Use: -Xss<size>256 KB256 KB256 KB256 KB256 KBc
Stack size for OS Threads 32-bit. Use-Xmso<size>256 KB256 KB256 KB32 KB256 KBc
Initial stack size for Java Threads 64-bit. Use:-Xiss<size>2 KBN/A2 KB2 KB2 KBc
Maximum stack size for Java Threads 64-bit. Use: -Xss<size>512 KBN/A512 KB512 KB512 KBc
Stack size for OS Threads 64-bit. Use-Xmso<size>256 KBN/A256 KB256 KB256 KBc
Initial heap size. Use -Xms<size>4 MB4 MB4 MB4 MB4 MBc
Maximum Java heap size. Use -Xmx<size>Half the available memory with a minimum of 16 MB and a maximum of 512 MB2 GBHalf the available memory with a minimum of 16 MB and a maximum of 512 MBHalf the real memory with a minimum of 16 MB and a maximum of 2 GBHalf the available memory with a minimum of 16 MB and a maximum of 512 MBc

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