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6 discussions - 15 posts

  • Hi all, we're using Hadoop 0.19.1 and have recently encountered the following erratic problem when running jobs involving UIMA text annotation chains (which fail frequently because of this): ...
    Christian KirschbaumChristian Kirschbaum
    Jul 21, 2009 at 9:14 am
    Jul 28, 2009 at 5:28 pm
  • All, I am attempting to run my first map reduce job and I am getting the following error. Does anyone know what it means? Shuffle Error: Exceeded MAX_FAILED_UNIQUE_FETCHES; bailing-out. Full text of ...
    Geoffry RobertsGeoffry Roberts
    Jul 27, 2009 at 4:11 pm
    Jul 28, 2009 at 12:42 pm
  • Hi, I just started following the hadoop discussion. I was wondering what is the mailing list to use. Is it this one: mapreduce-user@hadoop.apache.org or common-user@hadoop.apache.org? thanks David.
    Jul 17, 2009 at 6:02 am
    Aug 14, 2009 at 7:09 pm
  • Hi, everyone I've been learning hadoop recently and I'm confused about the combiner mechanism. There is a property min.num.spills.for.combine specifying the minimum number of spills to run combiner ...
    Mu QiaoMu Qiao
    Jul 6, 2009 at 6:34 am
    Jul 7, 2009 at 4:05 am
  • Hi All, I am getting the attached error repeatedly during the reduce phase of my job. Could someone guide me as to the cause of this error, and possible solutions for the same? Thanks, Rahul
    Rahul GuptaRahul Gupta
    Jul 21, 2009 at 9:15 pm
    Jul 21, 2009 at 9:15 pm
  • Hi, I am very new with hadoop and I'm hoping someone can help me do a two column sort. For my input, I have lines with 3 columns. I would like to sort the first column by string ascending and the ...
    Jul 17, 2009 at 3:18 am
    Jul 17, 2009 at 3:18 am
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