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  1. Hadoop Map/Reduce
  2. MAPREDUCE-1996

API: Reducer.reduce() method detail misstatement

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Trivial
    • Resolution: Fixed
    • Affects Version/s: 0.20.1
    • Fix Version/s: 0.22.0, 0.23.0
    • Component/s: documentation
    • Labels:
      None
    • Environment:

      Seen in Hadoop 0.20.2 API and Hadoop 0.19.x API

    • Hadoop Flags:
      Reviewed
    • Release Note:
      Fix a misleading documentation note about the usage of Reporter objects in Reducers.

      Description

      method detail for Reducer.reduce() method has paragraph starting:

      "Applications can use the Reporter provided to report progress or just indicate that they are alive. In scenarios where the application takes an insignificant amount of time to process individual key/value pairs, this is crucial since the framework might assume that the task has timed-out and kill that task. "

      s/an insignificant amount of time/a significant amount of time/

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            • Assignee:
              qwertymaniac Harsh J
              Reporter:
              glynnbach Glynn Durham
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