JAVA运行时的堆内存设定

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Big heap size setting for JAVA application is listed as following:
java xxxx
 -server -Xms1G -Xmx12G    set the minimum(Xms) and maximum(Xmx) size for a specified java command line program.
 -server -XX:PermSize=1G -XX:MaxPermSize=4G 

 

 

 

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