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[expand - 1 more] - Re: query number of mappers in 0.22 mapreduce API - MapReduce - [mail # user]
...Please file a JIRA for adding this to JobContext. Do let this thread  know the JIRA ID once you've filed it (under MAPREDUCE).  MAPREDUCE-3968  ...
   Author: Radim Kolar, 2012-03-04, 19:57
skip rest of input in mapper/reducer - MapReduce - [mail # user]
...Is there way to signal mapreduce framework from mapper or reducer that I  am not interested in any more input data?  Currently i read rest of data but ignore them....
   Author: Radim Kolar, 2012-02-04, 12:50
Re: Writing large output kills job with timeout _ need ideas - MapReduce - [mail # user]
...Any bright ideas?   call status update or Progress every 600 seconds or less...
   Author: Radim Kolar, 2012-01-26, 15:15
Re: MapReduce Job don't need sort. - MapReduce - [mail # user]
...> Does any queries/jobs do not need sort phase? I can only think of  aggregation. If you are talking about sorting keys before feeding them to reduce,  then yes. almost none of ...
   Author: Radim Kolar, 2012-01-14, 12:29
Partitioner in 0.22 - MapReduce - [mail # user]
...what is replacement for  old mapred.Partitioner.configure(JobConf job)  method in new Hadoop mapreduce.Partitioner?  I can not find how to configure partitioner during job....
   Author: Radim Kolar, 2012-01-02, 16:43
hdfs 0.22 -> 0.20.204 - MapReduce - [mail # user]
...I want to try hadoop 0.22. Its possible to downgrade it later without  loosing HDFS content (namenode, datanodes)?...
   Author: Radim Kolar, 2011-12-22, 06:57
Re: Any good gui tools for working with hdfs - MapReduce - [mail # user]
...i got following errror in log when using mucommander  2011-12-21 18:53:12,565 WARN org.apache.hadoop.ipc.Server: Incorrect  header or version mismatch from 88.102.**.**:11072 got v...
   Author: Radim Kolar, 2011-12-21, 17:58
[expand - 1 more] - Re: Reduce tasks timeouts - MapReduce - [mail # user]
...Dne 28.11.2011 21:34, Marcos Luis Ortiz Valmaseda napsal(a): here are logs. No errors inside.  https://rapidshare.com/files/3666961563/hadoop-logs.zip...
   Author: Radim Kolar, 2011-12-02, 17:01
[expand - 1 more] - Re: increasing number of mappers. - MapReduce - [mail # user]
...i found following usefull post on this topic  http://yaseminavcular.blogspot.com/2011/06/how-to-set-number-of-maps-with-hadoop.html  its more clear than wiki page....
   Author: Radim Kolar, 2011-11-09, 14:50
[expand - 2 more] - Re: unsort algorithmus in map/reduce - MapReduce - [mail # user]
...> If on the other hand, you want to guarantee that you don't swamp the  servers on each domain and you are trying to throttle  > your fetchers, then you want to do something ...
   Author: Radim Kolar, 2011-10-27, 09:36
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