Amazon EMR now Supports Multiple Master nodes

Amazon EMR now Supports Multiple Master nodes

Amazon EMR now supports multiple master nodes to enable high Availability for EMR applications. You can now launch an EMR cluster with three master nodes and support high availability of applications like YARN Resource Manager, HDFS Name Node, Spark, Hive, and Ganglia.

https://aws.amazon.com/about-aws/whats-new/2019/04/amazon-emr-announces-support-for-multiple-master-nodes-to-enable-high-availability-for-EMR-applications/

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