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How can we monitor the ZKFailOverController? Is there any way to know the ZKFC service status except ambari?

How can we monitor the ZKFailOverController? Is there any way to know the ZKFC service status except ambari?

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I need to check the status of ZKFailOverController(ZKFC) service whether it is running or not, is there any way to collect the ZKFC health/ monitoring metrics in java code easily?

 

Also does the dfs.ha.zkfc.port property is version specific? I had one observation that this property is visible automatically on HDP 3.1 but not on HDP 2.5 although it is HA enable.