Aaron T. Myers created HDFS-3404:
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             Summary: Make putImage in GetImageServlet infer remote address to 
fetch from
                 Key: HDFS-3404
                 URL: https://issues.apache.org/jira/browse/HDFS-3404
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 2.0.0
            Reporter: Aaron T. Myers
            Assignee: Aaron T. Myers


As it stands, daemons which perform checkpointing must determine their own 
address on which they can be reached, so that the NN which they checkpoint 
against knows what address to fetch a merged fsimage from. This causes problems 
if, for example, the daemon performing checkpointing binds to 0.0.0.0, and thus 
can't be sure of what address the NN can reach it at.

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