We have a Spark standalone cluster running on 2.2.1 in HA mode using Zookeeper. Occasionally, we have a rolling update where first the Primary master goes down and then Secondary node and then zookeeper nodes running on there own VMs. In the image below,
<http://apache-spark-user-list.1001560.n3.nabble.com/file/t8018/image_%282%29.png> Legends: - Green line shows Secondary Master - Yellow line shows Primary Master - "1.0" on vertical axis shows STANDBY - "5.0" on vertical axis shows UP In the image you can see the strange behavior of Spark Master's. - At 16:25 why did the masters switched roles between STANDBY and ALIVE? Any help would be appreciated. -- Sent from: http://apache-spark-user-list.1001560.n3.nabble.com/ --------------------------------------------------------------------- To unsubscribe e-mail: user-unsubscr...@spark.apache.org