Enable a single 2nn to checkpoint multiple nameservices
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Key: HDFS-2897
URL: https://issues.apache.org/jira/browse/HDFS-2897
Project: Hadoop HDFS
Issue Type: Sub-task
Components: name-node
Affects Versions: 0.23.0
Reporter: Eli Collins
The dfs.namenode.secondary.http-address needs to be suffixed with a particular
nameservice. It would be useful to be able to be able to configure a single 2NN
to checkpoint all the nameservices for a NN rather than having to run a
separate 2NN per nameservice. It could potentially checkpoint all namenode IDs
for a nameservice as well but given that the standby is capable of
checkpointing and is required I think we can ignore this case.
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