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  1. Hadoop HDFS
  2. HDFS-373

Name node should notify administrator if when struggling with replication

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Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
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    Description

      Name node performance suffers if either the replication queue is to big, or the avail space at data nodes is too small. In either case, the administrator should be notified.

      If the situation is really desperate, the name node perhaps should enter safe mode.

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        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-2606 Namenode unstable when replicating 500k blocks at once

          • Major - Major loss of function.
          • Closed

          New Feature - A new feature of the product, which has yet to be developed. HDFS-239 Brief, baseline namenode health check

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-3058 Hadoop DFS to report more replication metrics

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

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            People

              macyang Mac Yang
              chansler Robert Chansler
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              Dates

                Created:
                Updated: