tomcat配置备忘
JAVA_OPTS="-server -Xms2560m -Xmx5120m -XX:PermSize=256m -XX:MaxPermSize=512m -verbosegc -XX:+PrintGCTimeStamps -XX:+PrintGCDetails -Xloggc:/var/log/yjhmer/gc.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/var/log/yjhmer/oom.hprof"
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