hadoop-mapreduce-user mailing list archives: February 2010

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Martin Häger "Type mismatch in key from map: expected org.apache.hadoop.io.LongWritable" using MultipleInputs (multiple mappers) Thu, 11 Feb, 16:14
Martin Häger Re: "Type mismatch in key from map: expected org.apache.hadoop.io.LongWritable" using MultipleInputs (multiple mappers) Fri, 12 Feb, 10:13
Martin Häger Re: "Type mismatch in key from map: expected org.apache.hadoop.io.LongWritable" using MultipleInputs (multiple mappers) Mon, 15 Feb, 08:17
Martin Häger Reduce step never starts, can't read output from mappers? (Too many fetch-failures) Wed, 24 Feb, 13:31
Aaron Kimball Re: a question on WordCount program failure Mon, 15 Feb, 22:07
Adam Kirsch question about spill/combine Sun, 21 Feb, 21:35
Adam Kirsch Re: question about spill/combine Thu, 25 Feb, 17:54
Alex Kozlov Re: Does the class of the Mapper output need to match the exact class of the specified output? Tue, 02 Feb, 16:22
Alex Kozlov Re: "Type mismatch in key from map: expected org.apache.hadoop.io.LongWritable" using MultipleInputs (multiple mappers) Thu, 11 Feb, 18:39
Alex Kozlov Re: "Type mismatch in key from map: expected org.apache.hadoop.io.LongWritable" using MultipleInputs (multiple mappers) Fri, 12 Feb, 16:05
Amogh Vasekar Re: avoiding data redistribution in iterative mapreduce Wed, 03 Feb, 14:59
Amogh Vasekar Re: avoiding data redistribution in iterative mapreduce Thu, 04 Feb, 07:52
Amogh Vasekar Re: Barrier between reduce and map of the next round Thu, 04 Feb, 07:53
Amogh Vasekar Re: Strange behaviour from a custom Writable Tue, 09 Feb, 05:37
Amogh Vasekar Re: avoiding data redistribution in iterative mapreduce Tue, 09 Feb, 05:40
Amogh Vasekar Re: Barrier between reduce and map of the next round Tue, 09 Feb, 05:41
Arun C Murthy New Hadoop Map-Reduce Committer: Vinod Kumar V. Thu, 04 Feb, 03:51
Arun C Murthy Re: Barrier between reduce and map of the next round Tue, 09 Feb, 19:04
Arun C Murthy Re: MapRed ports Wed, 10 Feb, 09:17
Arun C Murthy Re: MapRed ports Wed, 10 Feb, 09:19
E. Sammer Re: "Type mismatch in key from map: expected org.apache.hadoop.io.LongWritable" using MultipleInputs (multiple mappers) Thu, 11 Feb, 16:25
E. Sammer Re: Setting #Reducers at runtime Thu, 18 Feb, 16:08
E. Sammer Re: Setting #Reducers at runtime Thu, 18 Feb, 16:37
Ed Mazur Re: Barrier between reduce and map of the next round Thu, 04 Feb, 04:25
Ed Mazur Re: Strange behaviour from a custom Writable Mon, 08 Feb, 19:09
Ed Mazur Re: Strange behaviour from a custom Writable Mon, 08 Feb, 23:11
Eric Sammer Re: MapRed ports Wed, 10 Feb, 06:16
Felix Halim Barrier between reduce and map of the next round Thu, 04 Feb, 02:41
Felix Halim Re: Barrier between reduce and map of the next round Thu, 04 Feb, 04:49
Felix Halim Re: Barrier between reduce and map of the next round Thu, 04 Feb, 08:16
Felix Halim Re: Barrier between reduce and map of the next round Tue, 09 Feb, 05:49
Felix Halim Re: Barrier between reduce and map of the next round Wed, 10 Feb, 01:57
James Hammerton Strange behaviour from a custom Writable Mon, 08 Feb, 17:23
James Hammerton Re: Strange behaviour from a custom Writable Mon, 08 Feb, 22:58
James Hammerton Re: Strange behaviour from a custom Writable Tue, 09 Feb, 18:18
Matei Zaharia Re: question about spill/combine Tue, 23 Feb, 19:24
Mohamed Riadh Trad Hadoop Pipes Exception: RecordReader not defined at /home/oom/work/eclipse/hadoop-20/src/c++/pipes/impl/HadoopPipes.cc:691 Sat, 20 Feb, 02:14
Owen O'Malley Re: Does the class of the Mapper output need to match the exact class of the specified output? Tue, 02 Feb, 16:18
Owen O'Malley Re: Strange behaviour from a custom Writable Tue, 09 Feb, 15:50
Raghava Mutharaju avoiding data redistribution in iterative mapreduce Wed, 03 Feb, 06:04
Raghava Mutharaju Re: avoiding data redistribution in iterative mapreduce Wed, 03 Feb, 19:36
Raghava Mutharaju Re: avoiding data redistribution in iterative mapreduce Thu, 04 Feb, 08:31
Raghava Mutharaju Re: avoiding data redistribution in iterative mapreduce Tue, 09 Feb, 18:44
Raghava Mutharaju is this architecture possible? Sat, 13 Feb, 12:07
Raghava Mutharaju appending to files on HDFS Wed, 17 Feb, 00:54
Rajan Dev Re: Does the class of the Mapper output need to match the exact class of the specified output? Tue, 02 Feb, 12:50
Rajan Dev Reading Counters Wed, 03 Feb, 12:36
Rajan Dev about counter Tue, 23 Feb, 13:23
Rob Stewart Setting #Reducers at runtime Thu, 18 Feb, 15:39
Rob Stewart Re: Setting #Reducers at runtime Thu, 18 Feb, 16:24
Rob Stewart Re: Setting #Reducers at runtime Thu, 18 Feb, 16:44
Taylor, Ronald C a question on WordCount program failure Mon, 15 Feb, 08:27
Taylor, Ronald C RE: a question on WordCount program failure Mon, 15 Feb, 22:53
Taylor, Ronald C RE: a question on WordCount program failure Tue, 16 Feb, 00:29
Ted Xu Re: Reading Counters Sat, 06 Feb, 00:20
Zheng Shao trunk compilation broken? Sun, 21 Feb, 07:07
Zheng Shao FileInputFormat to support multi-level/recursive directory listing Mon, 22 Feb, 19:19
psdc1978 MapRed ports Wed, 10 Feb, 05:47
psdc1978 Where duplicated data is ignored? Wed, 17 Feb, 10:34
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