HA 模式下的 Hadoop2.7.4+ZooKeeper3.4.10搭建
dfs.namenode.name.dir
/usr/local/hadoop/dfs/name
dfs.datanode.data.dir
/usr/local/hadoop/dfs/data
dfs.replication
2
dfs.nameservices
master
dfs.ha.namenodes.master
nn1,nn2
dfs.namenode.rpc-address.master.nn1
hadoop1:9000
dfs.namenode.rpc-address.master.nn2
hadoop2:9000
dfs.namenode.http-address.master.nn1
hadoop1:50070
dfs.namenode.http-address.master.nn2
hadoop2:50070
dfs.journalnode.http-address
0.0.0.0:8480
dfs.journalnode.rpc-address
0.0.0.0:8485
dfs.namenode.shared.edits.dir
qjournal://hadoop3:8485;hadoop4:8485;hadoop5:8485/master
dfs.journalnode.edits.dir
/usr/local/hadoop/dfs/journal
dfs.client.failover.proxy.provider.master
org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider
dfs.ha.fencing.methods
sshfence
shell(/bin/true)
dfs.ha.fencing.ssh.private-key-files
/root/.ssh/id_rsa
dfs.ha.fencing.ssh.connect-timeout
30000
dfs.ha.automatic-failover.enabled
true
ha.zookeeper.quorum
hadoop3:2181,hadoop4:2181,hadoop5:2181
ha.zookeeper.session-timeout.ms
2000
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