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Tom White commented on HADOOP-6439: ----------------------------------- Hemanth/Amareshwari That's right - I'm going to cut a new 0.21 branch from trunk on April 30, so this patch only needs to be committed to trunk. Thanks! Tom > Shuffle deadlocks on wrong number of maps > ----------------------------------------- > > Key: HADOOP-6439 > URL: https://issues.apache.org/jira/browse/HADOOP-6439 > Project: Hadoop Common > Issue Type: Bug > Components: conf > Affects Versions: 0.21.0, 0.22.0 > Reporter: Owen O'Malley > Assignee: V.V.Chaitanya Krishna > Priority: Blocker > Fix For: 0.21.0, 0.22.0 > > Attachments: HADOOP-6439-1.patch, HADOOP-6439-2.patch, > HADOOP-6439-3.patch, HADOOP-6439-4.patch, HADOOP-6439-5.patch, > HADOOP-6439-6.patch, HADOOP-6439-6.patch, HADOOP-6439-7.patch, mr-1252.patch > > > The new shuffle assumes that the number of maps is correct. The new > JobSubmitter sets the old value. Something misfires in the middle causing: > 09/12/01 00:00:15 WARN conf.Configuration: mapred.job.split.file is > deprecated. Instead, use mapreduce.job.splitfile > 09/12/01 00:00:15 WARN conf.Configuration: mapred.map.tasks is deprecated. > Instead, use mapreduce.job.maps > But my reduces got stuck at 2 maps / 12 when there were only 2 maps in the > job. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.