Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-5092

Parameter 'chunks' of org.apache.hadoop.mapred.lib.db.DBInputFormat.getSplits method is ignored

    Details

    • Type: Bug Bug
    • Status: Open
    • Priority: Major Major
    • Resolution: Unresolved
    • Affects Version/s: 3.0.0, 2.0.3-alpha, 0.23.5
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None

      Description

      Class
      org.apache.hadoop.mapred.lib.db.DBInputFormat
      (hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/db/DBInputFormat.java)

      contains method:
      public InputSplit[] getSplits(JobConf job, int chunks) throws IOException
      but 'chunks' parameter is ignored.

      Chunks count taken from 'job.getConfiguration().getInt(MRJobConfig.NUM_MAPS, 1);'

      affects trunk, branch-2, branch-0.23

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          People

          • Assignee:
            Unassigned
            Reporter:
            Dennis Y
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            Dates

            • Created:
              Updated:

              Development