jinfo -flags id查看JVM信息

[root@localhost logs]# jinfo -flags 87681
Attaching to process ID 87681, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 25.221-b11
Non-default VM flags: -XX:CICompilerCount=12 -XX:CompressedClassSpaceSize=134217728 -XX:InitialHeapSize=536870912 -XX:MaxHeapSize=536870912 -XX:MaxMetaspaceSize=209715200 -XX:MaxNewSize=178782208 -XX:MetaspaceSize=209715200 -XX:MinHeapDeltaBytes=524288 -XX:NewSize=178782208 -XX:OldSize=358088704 -XX:+UseCompressedClassPointers -XX:+UseCompressedOops -XX:+UseParallelGC
Command line: -Djava.util.logging.config.file=/usr/data/tomcat-8.5.32/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Xms512m -Xmx512m -XX:CompressedClassSpaceSize=128m -XX:MetaspaceSize=200m -XX:MaxMetaspaceSize=200m -Djdk.tls.ephemeralDHKeySize=2048 -Djava.protocol.handler.pkgs=org.apache.catalina.webresources -Dorg.apache.catalina.security.SecurityListener.UMASK=0027 -Dignore.endorsed.dirs= -Dcatalina.base=/usr/data/tomcat-8.5.32 -Dcatalina.home=/usr/data/tomcat-8.5.32 -Djava.io.tmpdir=/usr/data/tomcat-8.5.32/temp