CDH5.16.1的Hbase1.2的G1参数配置

1 贴一下自己的G1垃圾收集器参数（region server配置了5G内存）

-Xmx5g -Xms5g
-XX:MaxDirectMemorySize=5g
-XX:+UseG1GC
-XX:+UnlockExperimentalVMOptions
-XX:-ResizePLAB 
-XX:MaxGCPauseMillis=90
-XX:G1NewSizePercent=3
-XX:MaxGCPauseMillis=200 
-XX:InitiatingHeapOccupancyPercent=70
-XX:+ParallelRefProcEnabled
-XX:ConcGCThreads=4
-XX:ParallelGCThreads=8
-XX:MaxTenuringThreshold=1
-XX:G1HeapRegionSize=2m
-XX:G1MixedGCCountTarget=64
-XX:G1OldCSetRegionThresholdPercent=5
-XX:+PrintFlagsFinal -XX:+PrintReferenceGC 
-XX:+UnlockDiagnosticVMOptions 
-XX:+G1SummarizeConcMark  
-XX:+PrintGCDetails  
-XX:+PrintAdaptiveSizePolicy
-XX:G1HeapWastePercent=20