jvm eden 100% 持续500ms到1s,这种问题谁遇到过，怎么解决
线上jvm配置是JAVA_OPTS="-Xms8g -Xmx8g -Xmn2g -server -XX:PermSize=128m -XX:MaxPermSize=128m -XX:MaxTenuringThreshold=4 -XX:+UseConcMarkSweepGC -XX:SurvivorRatio=8 -XX:CMSInitiatingOccupancyFraction=70 -XX:+ExplicitGCInvokesConcurrent -XX:+PrintFlagsFinal -XX:+PrintCommandLineFlags -XX:+PrintGCDateStamps -XX:+PrintTenuringDistribution -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCApplicationStoppedTime -XX:+PrintGCApplicationConcurrentTime -XX:+UseCMSCompactAtFullCollection -Xloggc:../gclogs/gc.log.$nowday"
