hadoopservice

datanode:HRegionServer

resourcemanger:ResourceManagerJobHistoryServer

datanode:DataNodeNodeManager

resourcemanger:HQuorumPeer

hadoop

resourcemanger:HMaster(backup)

hadoop cluster

namenode:HMaster

datanode:HQuorumPeer

hbase

zookeeper

namenode:HQuorumPeer

namenode:NameNodeSecondaryNameNode