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hadoop-005-YARNHA如何配置

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yarn-site.xml 并使用zookeeper 来 管理resourcemanager的状态

hadoop-005-YARN HA如何配置





  yarn.resourcemanager.ha.enabled
  true


  yarn.resourcemanager.cluster-id
  cluster1


  yarn.resourcemanager.ha.rm-ids
  rm1,rm2


  yarn.resourcemanager.hostname.rm1
  master


  yarn.resourcemanager.hostname.rm2
  slave01


  yarn.resourcemanager.webapp.address.rm1
  master:8088


  yarn.resourcemanager.webapp.address.rm2
  slave01:8088


  yarn.resourcemanager.zk-address
  master:2181,slave01:2181,slave02:2181

将配置同步到 master 和slave01 节点，然后启动rm

hadoop-2.7.2/sbin/yarn-daemon.sh start resourcemanager

查看节点状态

 hadoop-2.7.2/bin/yarn rmadmin -getServiceState rm1

 hadoop-2.7.2/bin/yarn rmadmin -getServiceState rm2

[jxlgzwh@slave01 ~]$ hadoop-2.7.2/sbin/yarn-daemon.sh start resourcemanager
starting resourcemanager, logging to /home/jxlgzwh/hadoop-2.7.2/logs/yarn-jxlgzwh-resourcemanager-slave01.out
[jxlgzwh@slave01 ~]$ jps
4160 DataNode
3986 NameNode
4853 ResourceManager
4885 Jps
3851 JournalNode
3502 QuorumPeerMain
4542 DFSZKFailoverController
[jxlgzwh@slave01 ~]$ hadoop-2.7.2/bin/yarn rmadmin -getServiceState rm1
standby
[jxlgzwh@slave01 ~]$ hadoop-2.7.2/bin/yarn rmadmin -getServiceState rm2
active
[jxlgzwh@slave01 ~]$ jps
4160 DataNode
5425 Jps
3986 NameNode
4853 ResourceManager
3851 JournalNode
3502 QuorumPeerMain
4542 DFSZKFailoverController
[jxlgzwh@slave01 ~]$ hadoop-2.7.2/sbin/yarn-daemon.sh stop resourcemanager
stopping resourcemanager
[jxlgzwh@slave01 ~]$ hadoop-2.7.2/bin/yarn rmadmin -getServiceState rm1
active
[jxlgzwh@slave01 ~]$ hadoop-2.7.2/bin/yarn rmadmin -getServiceState rm2
16/11/27 23:44:42 INFO ipc.Client: Retrying connect to server: slave01/192.168.31.130:8033. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=1, sleepTime=1000 MILLISECONDS)
Operation failed: Call From slave01/192.168.31.130 to slave01:8033 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
[jxlgzwh@slave01 ~]$

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