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Re: how to find top N values using map-reduce ? - MapReduce - [mail # user]
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...My actual problem is to rank all values and then run logic 1 to top n% values and logic 2 to rest values. 1st - Ranking ? (need major suggestions here) 2nd - Find top n% out of them. T...
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Author: praveenesh kumar,
2013-02-02, 11:07
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Re: how to find top N values using map-reduce ? - MapReduce - [mail # user]
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...Thanks for that Russell. Unfortunately I can't use Pig. Need to write my own MR job. I was wondering how its usually done in the best way possible. Regards Praveenesh On Sat, Feb...
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Author: praveenesh kumar,
2013-02-02, 07:37
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Re: how to find top N values using map-reduce ? - MapReduce - [mail # user]
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...Actually what I am trying to find to top n% of the whole data. This n could be very large if my data is large. Assuming I have uniform rows of equal size and if the total data size is ...
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Author: praveenesh kumar,
2013-02-02, 07:17
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how to find top N values using map-reduce ? - MapReduce - [mail # user]
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...I am looking for a better solution for this. 1 way to do this would be to find top N values from each mappers and then find out the top N out of them in 1 reducer. I am afraid th...
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Author: praveenesh kumar,
2013-02-02, 05:05
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Re: reducer not starting - MapReduce - [mail # user]
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...Sometimes its network issue, reducers are not able to find hostnames or IPs of the other machines. Make sure your /etc/hosts entries and hostnames are correct. Regards, Praveenesh &nbs...
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Author: praveenesh kumar,
2012-11-21, 12:00
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Re: Calling one MR job within another MR job - MapReduce - [mail # user]
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...Try looking into distributed cache.. may be it solves your problem ? Regards, Praveenesh On Wed, Apr 4, 2012 at 6:01 PM, Ravi teja ch n v wrote: ay . e t...
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Author: praveenesh kumar,
2012-04-04, 12:41
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Re: Multiple Mappers and One Reducer - MapReduce - [mail # user]
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...Harsh, Can you please tell how can we use MultipleInputs using Job Object on hadoop 0.20.2. As you can see, in MultipleInputs, its using JobConf object. I want to use Job object as mentioned...
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Author: praveenesh kumar,
2011-09-07, 10:04
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Fwd: What is GEO_RSS_URI ??? - MapReduce - [mail # user]
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...From: praveenesh kumar Date: Wed, May 4, 2011 at 4:51 PM Subject: What is GEO_RSS_URI ??? To: [EMAIL PROTECTED] Hello Hadoop users, I came across some Map-Reduce examples ...
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Author: praveenesh kumar,
2011-05-05, 11:42
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