Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-1996

API: Reducer.reduce() method detail misstatement

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Trivial 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/

        Activity

        Hide
        Harsh J added a comment -

        Trivial patch that fixes the misleading doc-text.

        Show
        Harsh J added a comment - Trivial patch that fixes the misleading doc-text.
        Hide
        Harsh J added a comment -

        Patch is available for this trivial doc-fix.

        Show
        Harsh J added a comment - Patch is available for this trivial doc-fix.
        Hide
        Hadoop QA added a comment -

        -1 overall. Here are the results of testing the latest attachment
        http://issues.apache.org/jira/secure/attachment/12451665/MAPREDUCE-1996.r1.diff
        against trunk revision 1074251.

        +1 @author. The patch does not contain any @author tags.

        +0 tests included. The patch appears to be a documentation patch that doesn't require tests.

        +1 javadoc. The javadoc tool did not generate any warning messages.

        +1 javac. The applied patch does not increase the total number of javac compiler warnings.

        +1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9) warnings.

        +1 release audit. The applied patch does not increase the total number of release audit warnings.

        +1 core tests. The patch passed core unit tests.

        -1 contrib tests. The patch failed contrib unit tests.

        +1 system test framework. The patch passed system test framework compile.

        Test results: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/71//testReport/
        Findbugs warnings: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/71//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
        Console output: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/71//console

        This message is automatically generated.

        Show
        Hadoop QA added a comment - -1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12451665/MAPREDUCE-1996.r1.diff against trunk revision 1074251. +1 @author. The patch does not contain any @author tags. +0 tests included. The patch appears to be a documentation patch that doesn't require tests. +1 javadoc. The javadoc tool did not generate any warning messages. +1 javac. The applied patch does not increase the total number of javac compiler warnings. +1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9) warnings. +1 release audit. The applied patch does not increase the total number of release audit warnings. +1 core tests. The patch passed core unit tests. -1 contrib tests. The patch failed contrib unit tests. +1 system test framework. The patch passed system test framework compile. Test results: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/71//testReport/ Findbugs warnings: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/71//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html Console output: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/71//console This message is automatically generated.
        Hide
        Tom White added a comment -

        I just committed this. Thanks Harsh.

        Show
        Tom White added a comment - I just committed this. Thanks Harsh.
        Hide
        Hudson added a comment -

        Integrated in Hadoop-Mapreduce-trunk-Commit #616 (See https://hudson.apache.org/hudson/job/Hadoop-Mapreduce-trunk-Commit/616/)
        MAPREDUCE-1996. API: Reducer.reduce() method detail misstatement. Contributed by Harsh J Chouraria.

        Show
        Hudson added a comment - Integrated in Hadoop-Mapreduce-trunk-Commit #616 (See https://hudson.apache.org/hudson/job/Hadoop-Mapreduce-trunk-Commit/616/ ) MAPREDUCE-1996 . API: Reducer.reduce() method detail misstatement. Contributed by Harsh J Chouraria.
        Hide
        Hudson added a comment -

        Integrated in Hadoop-Mapreduce-trunk #643 (See https://hudson.apache.org/hudson/job/Hadoop-Mapreduce-trunk/643/)

        Show
        Hudson added a comment - Integrated in Hadoop-Mapreduce-trunk #643 (See https://hudson.apache.org/hudson/job/Hadoop-Mapreduce-trunk/643/ )

          People

          • Assignee:
            Harsh J
            Reporter:
            Glynn Durham
          • Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Time Tracking

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