spark-master 高可用測試

spark-master 高可用測試：

集群介紹

[spark-m]
172.20.101.157 sparkname=master01 
172.20.101.164 sparkname=master02
172.20.101.165 sparkname=master03 

[spark-s]
172.20.101.160 sparkname=slave01 
172.20.101.166 sparkname=slave02
172.20.101.167 sparkname=slave03 

[zookeeper]
172.20.101.157 myid=1 
172.20.101.164 myid=3 
172.20.101.165 myid=2 

啟動第1臺master：

[root@kubm-03 ~]# tailf /var/log/spark/spark-root-org.apache.spark.deploy.master.Master-1-kubm-03.out 
.......
19/07/18 11:11:59 INFO ZooKeeperLeaderElectionAgent: We have gained leadership
19/07/18 11:11:59 INFO Master: I have been elected leader! New state: ALIVE

發現第1臺未發現其它節點，狀態選舉為 leader

啟動第2臺master：

[root@kubm-02 ~]# sh /usr/local/spark-2.4.3-bin-hadoop2.7/sbin/start-master.sh 
.......
19/07/18 11:17:52 INFO ConnectionStateManager: State change: CONNECTED

狀態選舉為 CONNECTED

啟動第2臺master：

[root@kubm-01 ~]# sh /usr/local/spark-2.4.3-bin-hadoop2.7/sbin/start-master.sh 
.。。。。
19/07/18 11:15:09 INFO ConnectionStateManager: State change: CONNECTED

狀態選舉為 CONNECTED

關閉 leader 節點服務

[root@kubm-03 ~]# sh /usr/local/spark-2.4.3-bin-hadoop2.7/sbin/stop-master.sh 

略等待，kubm-01節點選舉為新的 leader

[root@kubm-01 ~]# 
19/07/18 11:19:33 INFO ZooKeeperLeaderElectionAgent: We have gained leadership
19/07/18 11:19:33 INFO Master: I have been elected leader! New state: ALIVE