Spark Standalone集群是Master-Slaves架构的集群模式,和大部分的Master-Slaves结构集群一样,存在着Master单点故障的问题.如何解决这个单点故障的问题,Spark提供了两种方案: 基于文件系统的单点恢复(Single-Node Recovery with Local File System) 基于zookeeper的Standby Masters(Standby Masters with ZooKeeper) ZooKeeper提供了一个Leader El
when you build a spark standalone ha cluster, when you submit your app, you should send it to the leader master, not the standby master, how to decided the status of the two masters? a simple way, not judge the status which master is the active, you