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Hadoop 3.0 HDFS HA

Explorer

In Hadoop 3.0, HDFS HA feature supports more than two namenodes.

https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithNFS.h...

 

Does Ambari supports HDFS HA more than two namenodes?

2 REPLIES 2

Super Mentor

@gcl8775 

Yes, Ambari allows more than 2 NameNodes via HDFS Federation. An HDFS federation allows you to scale a cluster horizontally by configuring multiple namespaces and NameNodes. 

https://docs.cloudera.com/HDPDocuments/Ambari-2.7.5.0/managing-and-monitoring-ambari/content/amb_con...

Explorer

Thank you for the answer.

But i'm trying to make namenode ha architecture like Active, Standby, Standby Namenode in one namespace.

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