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There are 2 datanode(s) running and 2 node(s) are excluded in this operation. - MapReduce - [mail # user]
...I am trying to copy some data with distcp and I get the error: "There are 2 datanode(s) running and 2 node(s) are excluded in this  operation." I did not excluded any node, I have lots ...
   Author: Pedro Sá da Costa, 2013-08-19, 14:11
How run Aggregator wordcount? - MapReduce - [mail # user]
...Aggregator wordcount accept multiple folders as input? e.g. bin/hadoop jar hadoop-*-examples.jar aggregatewordcount inputfolder1 inputfolder2 inputfolder3 outfolder1   Best regards,...
   Author: Pedro Sá da Costa, 2013-06-22, 10:54
launch aggregatewordcount and sudoku in Yarn - MapReduce - [mail # user]
...How I run an aggregatewordcount and sudoku in Yarn? Do I need any input files, more exactly in Sudoku?  Best regards,...
   Author: Pedro Sá da Costa, 2013-06-21, 16:53
I just want the last 4 jobs in the job history in Yarn? - MapReduce - [mail # user]
...Is it possible to say that  I just want the last 4 jobs in the job history in Yarn?  Best regards,...
   Author: Pedro Sá da Costa, 2013-06-18, 07:04
[expand - 1 more] - Re: mapred queue -list - MapReduce - [mail # user]
...What does it mean max-capacity can be configured to be greater than capacity? If max-capacity is greater than capacity, there isn't an overload of the queue?    On 14 June 2013 22:...
   Author: Pedro Sá da Costa, 2013-06-14, 23:11
[expand - 2 more] - Re: Get the history info in Yarn - MapReduce - [mail # user]
...and how can I get these values using the job id in java?    On 13 June 2013 08:15, Devaraj k  wrote:     Best regards,...
   Author: Pedro Sá da Costa, 2013-06-13, 06:54
HDFS metrics - MapReduce - [mail # user]
...I am using Yarn, and  1 - I want to know the average IO throughput of the HDFS (like know how fast the datanodes are writing in a disk) so that I can compare beween 2 HDFS intances. The...
   Author: Pedro Sá da Costa, 2013-06-12, 08:49
replace separator in output.collect? - MapReduce - [mail # user]
...the "output.collect(key, value)" puts the key and the value separated by \t. Is there a way to replace it by ':'?  Best regards,...
   Author: Pedro Sá da Costa, 2013-06-11, 14:48
[expand - 2 more] - Re: How can I sort a file with pairs <Key Value> in reverse order? - MapReduce - [mail # user]
...Thanks for your help. Now I get it.   On 11 June 2013 14:21, Bhasker Allene  wrote:    Best regards,...
   Author: Pedro Sá da Costa, 2013-06-11, 12:24
delete the job history saved in the Job History Server in Yarn - MapReduce - [mail # user]
...I want to delete the job history saved in the Job History Server in Yarn. How i do that?  Best regards,...
   Author: Pedro Sá da Costa, 2013-06-11, 09:34
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