[jira] [Created] (HDFS-4849) Idempotent create, append and delete operations.

[Konstantin Shvachko (JIRA)]

Konstantin Shvachko created HDFS-4849:
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             Summary: Idempotent create, append and delete operations.
                 Key: HDFS-4849
                 URL: https://issues.apache.org/jira/browse/HDFS-4849
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 2.0.4-alpha
            Reporter: Konstantin Shvachko
            Assignee: Konstantin Shvachko


create, append and delete operations can be made idempotent. This will reduce 
chances for a job or other app failures when NN fails over.

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