Rafal Wojdyla created HDFS-6082:
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Summary: List all NNs with state
Key: HDFS-6082
URL: https://issues.apache.org/jira/browse/HDFS-6082
Project: Hadoop HDFS
Issue Type: Improvement
Components: ha, namenode
Reporter: Rafal Wojdyla
HAAdmin let's you determine state of *given* service. It would be nice to have
a call to determine states of all Namenodes (services?), something like:
hdfs haadmin -getServicesState
And the output would be:
hostname | state
This can be implemented at HAAdmin level - for all HA services or at DFSHAAdmin
level - for Namenode HA only.
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