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  1. Hadoop Common
  2. HADOOP-1266

Remove DatanodeDescriptor dependency from NetworkTopology

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.14.1
    • 0.15.0
    • None
    • None

    Description

      NetworkTopology should operate only with the Node interface.
      The actual class DatanodeDescriptor, which implements Node should not be used inside.
      We should avoid introducing unnecessary dependencies.
      This is the typical case when everything can and should be defined using the interface.
      This becomes a requirement if we want to measure distances between other than data-nodes
      types of nodes like TaskTrackers, clients.

      Attachments

        1. GenericTopology.patch
          25 kB
          Hairong Kuang

        Issue Links

          blocks

          Improvement - An improvement or enhancement to an existing feature or task. MAPREDUCE-259 Rack-aware Shuffle

          • Major - Major loss of function.
          • Resolved
          is depended upon by

          New Feature - A new feature of the product, which has yet to be developed. HADOOP-1652 Rebalance data blocks when new data nodes added or data nodes become full

          • Major - Major loss of function.
          • Closed

          Activity

            People

              hairong Hairong Kuang
              shv Konstantin Shvachko
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              Dates

                Created:
                Updated:
                Resolved: