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  1. Hadoop Map/Reduce
  2. MAPREDUCE-342

Create a public scheduler API

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    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
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    Description

      The work in HADOOP-3412 provided an API to support pluggable schedulers. However implementations have to be in the org.apache.hadoop.mapred package, which is undesirable. The goal of this issue is to create a public API for scheduler writers to code against.

      Attachments

        1. hadoop-3822.sh
          0.4 kB
          Thomas White
        2. hadoop-3822.patch
          25 kB
          Thomas White

        Issue Links

        relates to

        Improvement - An improvement or enhancement to an existing feature or task. MAPREDUCE-2826 Change the job state observer classes to interfaces

        • Major - Major loss of function.
        • Resolved

        Improvement - An improvement or enhancement to an existing feature or task. HADOOP-1230 Replace parameters with context objects in Mapper, Reducer, Partitioner, InputFormat, and OutputFormat classes

        • Major - Major loss of function.
        • Closed

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            Unassigned Unassigned
            tomwhite Thomas White
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