jvm参考网页

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https://www.e-learn.cn/content/wangluowenzhang/37475

https://blog.csdn.net/renfufei/article/details/41897113

http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html#G1Options

http://geek.csdn.net/news/detail/92144

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DATE=`date +%y%M%d%H%m%S`

 -XX:+HeapDumpOnOutOfMemoryError

-XX:HeapDumpPath=/weblogic/tmp/sysnm-$DATE.hprof

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