oraclejdk-Djava.net.preferIPv4Stack=true-Xms1524m-Xmx2548m-XX:MaxDirectMemorySize=3072m-XX:PermSize=256m-XX:MaxNewSize=1200m-XX:MaxPermSize=1200m-XX:ParallelGCThreads=4-XX:+UseConcMarkSweepGC-verbose:gc-XX:+PrintGCDetails-XX:+PrintGCDateStamps-XX:+DisableExplicitGC-XX:+HeapDumpO