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Posted to hdfs-dev@hadoop.apache.org by "Eli Collins (Created) (JIRA)" <ji...@apache.org> on 2012/02/06 05:45:59 UTC

[jira] [Created] (HDFS-2897) Enable a single 2nn to checkpoint multiple nameservices

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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