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I just want the last 4 jobs in the job history in Yarn? - MapReduce - [mail # user]
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...Is it possible to say that I just want the last 4 jobs in the job history in Yarn? Best regards,...
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Author: Pedro Sá da Costa,
2013-06-18, 07:04
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Re: mapred queue -list - MapReduce - [mail # user]
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...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:...
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Author: Pedro Sá da Costa,
2013-06-14, 23:11
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mapred queue -list - MapReduce - [mail # user]
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...When I launch the command "mapred queue -list" I have this output: Scheduling Info : Capacity: 100.0, MaximumCapacity: 1.0, CurrentCapacity: 0.0 What is the difference between C...
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Author: Pedro Sá da Costa,
2013-06-13, 12:28
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Re: Get the history info in Yarn - MapReduce - [mail # user]
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...and how can I get these values using the job id in java? On 13 June 2013 08:15, Devaraj k wrote: Best regards,...
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Author: Pedro Sá da Costa,
2013-06-13, 06:54
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Re: Get the history info in Yarn - MapReduce - [mail # user]
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...But this command doesn't tell me the job duration, or job start time and end time. How can I get this info? On 13 June 2013 07:41, Devaraj K wrote: Best regards,...
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Author: Pedro Sá da Costa,
2013-06-13, 06:07
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Get the history info in Yarn - MapReduce - [mail # user]
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...I tried the command "mapred job list all" to get the history of the jobs completed, but the log doesn't have the time where a jobs started, end, the number of maps and reduce, and the ...
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Author: Pedro Sá da Costa,
2013-06-13, 05:22
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HDFS metrics - MapReduce - [mail # user]
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...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...
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Author: Pedro Sá da Costa,
2013-06-12, 08:49
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replace separator in output.collect? - MapReduce - [mail # user]
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...the "output.collect(key, value)" puts the key and the value separated by \t. Is there a way to replace it by ':'? Best regards,...
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Author: Pedro Sá da Costa,
2013-06-11, 14:48
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Re: How can I sort a file with pairs <Key Value> in reverse order? - MapReduce - [mail # user]
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...Thanks for your help. Now I get it. On 11 June 2013 14:21, Bhasker Allene wrote: Best regards,...
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Author: Pedro Sá da Costa,
2013-06-11, 12:24
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Re: How can I sort a file with pairs <Key Value> in reverse order? - MapReduce - [mail # user]
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...Even with your answer I can't see how can I sort the data in reverse order. I forgot to mention that, the output result is produced by one reduce task. This means that, at any point of...
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Author: Pedro Sá da Costa,
2013-06-11, 12:05
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