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Re: Sorting Values sent to reducer NOT based on KEY (Depending on part of VALUE) - Hadoop - [mail # user]
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...Thanks for reply. Will try to implement. I think there is problem in my case where i have modified write function of mapper context.write and tried to write same key value pair multipl...
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Author: Vikas Jadhav,
2013-04-24, 04:32
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Re: How can I record some position of context in Reduce()? - Hadoop - [mail # user]
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...Hi I am also woring on join using MapReduce i think instead of finding postion of table in RawKeyValuIterator. what we can do modify context.write method to alway write key as table name or ...
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Author: Vikas Jadhav,
2013-04-09, 05:15
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Re: Reading partition for reducer - Hadoop - [mail # dev]
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...yes i have joined [EMAIL PROTECTED] mailing list. i think it is not possible to do in user code(map or reduce function) rather i dont want to make my changes visible to mapreduce programmer ...
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Author: Vikas Jadhav,
2013-04-02, 04:19
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Re: Reading partition for reducer - Hadoop - [mail # dev]
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...Hi I want process/store all data pertaining to one reducer. i want store it in some data structure depending on key for example (0,ABC) (0,TER) (1,DEF) (1,XYZ) ...
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Author: Vikas Jadhav,
2013-04-01, 16:38
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Reading partition for reducer - Hadoop - [mail # dev]
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...Hello I want to process output of mapper to processed before it is sent to reducer. @ what point i should hook in my code processing i guess it is ReduceTask.java file &nb...
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Author: Vikas Jadhav,
2013-04-01, 12:06
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How to build hadoop code using ANT offline - Hadoop - [mail # dev]
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...for first job ANT download jar from internet how to build offline using ANT * * * Thanx and Regards* * Vikas Jadhav*...
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Author: Vikas Jadhav,
2013-03-14, 17:06
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Re: - Hadoop - [mail # user]
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...Hello you can modify log4j.properties file in your conf folder and set appropriate logging level I think you should follow hadoop-wiki http://wiki.apache.org/hadoop/HowToC...
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Author: Vikas Jadhav,
2013-03-11, 12:32
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Re: - Hadoop - [mail # user]
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...Hello I think you should follow hadoop-wiki http://wiki.apache.org/hadoop/HowToContribute + It is very easy you can also refer to http://ahadoop.blogspot.in/ post by ...
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Author: Vikas Jadhav,
2013-03-11, 12:28
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Re: mapper combiner and partitioner for particular dataset - Hadoop - [mail # user]
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...got it Thanx Mahesh. On Tue, Mar 5, 2013 at 1:35 PM, Mahesh Balija wrote: * * * Thanx and Regards* * Vikas Jadhav*...
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Author: Vikas Jadhav,
2013-03-06, 09:38
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Re: Hadoop cluster setup - could not see second datanode - Hadoop - [mail # user]
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...1) check whehter you can ssh to other node from namenode set your configuration carefully **** fs.default.name**** localhost:9000**** replac...
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Author: Vikas Jadhav,
2013-03-06, 09:34
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