jdk17的设置

-Xms4G
-Xmx4G
-XX:MaxDirectMemorySize=1G
-XX:MaxMetaspaceSize=512m
-XX:ReservedCodeCacheSize=256m
-XX:+UseG1GC
-XX:MaxGCPauseMillis=200
-XX:+HeapDumpOnOutOfMemoryError
-XX:HeapDumpPath=/tmp/heap.hprof