[jira] [Created] (HDFS-4657) If incremental BR is received before first full BR NN will log a line for every block on a DN

["Aaron T. Myers (JIRA)" <ji...@apache.org>]

Aaron T. Myers created HDFS-4657:
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             Summary: If incremental BR is received before first full BR NN will log a line for every block on a DN
                 Key: HDFS-4657
                 URL: https://issues.apache.org/jira/browse/HDFS-4657
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 2.0.4-alpha
            Reporter: Aaron T. Myers
            Assignee: Aaron T. Myers


This can impact restart times pretty substantially if the DNs have a lot of blocks, and since the FSNS write lock is held while processing the block report clients will not make any progress.

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