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[expand - 3 more] - Re: Counters in MapReduce - Hadoop - [mail # user]
...yes rectified that errorBut after 1 st iteration when it enters to second iterationshowing java.io.FileNotFoundException: for  *Path out1 = new Path(CL);**Why is it so .**Normally ...
   Author: unmesha sreeveni, 2014-06-12, 08:32
Custom FileInputFormat not able to pass value to mapper - Hadoop - [mail # user]
...Below is my code. What my code does isI stored the entire file into MyFileInputFormat. And from that I extractedthe line I want.Basically it will be a couple of characters starting from 0to ...
   Author: unmesha sreeveni, 2014-06-11, 10:16
Need advice for Implementing classification algorithms in MapReduce - Hadoop - [mail # user]
...In-order to learn MapReduce algorithm,I usually try it from scratch.What I follow is for classification algorithms-*First I build a model **hadoop jar myjar.jar edu.ModelDriver  **secon...
   Author: unmesha sreeveni, 2014-05-26, 06:21
Issue with conf.set and conf.get method - Hadoop - [mail # user]
...Hi,I am having an issue with conf.set and conf.get methodDriverConfiguration conf=new Configuration();conf.set("delimiter",args[2]);       //File delimiter as user argumentMap...
   Author: unmesha sreeveni, 2014-05-21, 07:34
Re: Are mapper classes re-instantiated for each record? - Hadoop - [mail # user]
...Setup() Method is called before all the mappers and cleanup() method iscalled after all mappersOn Tue, May 6, 2014 at 1:17 PM, Raj K Singh  wrote:*Thanks & Regards **Unmesha Sreeveni U....
   Author: unmesha sreeveni, 2014-05-16, 09:25
Re: writing multiple files on hdfs - Hadoop - [mail # user]
...Yes you can do so. Hadoop is a distributed computing framework. And you areable to do multiple writes also. Only thing we cannot do is we will not beable to update a file content. But you ca...
   Author: unmesha sreeveni, 2014-05-16, 01:08
[Blog] Map-only jobs in Hadoop for beginers - Hadoop - [mail # user]
...​Hihttp://www.unmeshasreeveni.blogspot.in/2014/05/map-only-jobs-in-hadoop.htmlThis is a post on Map-only Jobs in Hadoop for beginers.​*Thanks & Regards **Unmesha Sreeveni U.B**Hadoop, Bigdat...
   Author: unmesha sreeveni, 2014-05-05, 11:55
[Blog] Chaining Jobs In Hadoop for beginners. - Hadoop - [mail # user]
...Hihttp://www.unmeshasreeveni.blogspot.in/2014/04/chaining-jobs-in-hadoop-mapreduce.html   This is the sample code for chaining Jobs In Hadoop for beginners.Please post your comment...
   Author: unmesha sreeveni, 2014-05-03, 09:13
[Blog] changing default key value output In Hadoop MapReduce Jobs for beginners. - Hadoop - [mail # user]
...Hihttp://www.unmeshasreeveni.blogspot.in/2014/04/can-we-change-default-key-value-output.html   This is the sample code for changing default key value output In HadoopMapReduce Jobs...
   Author: unmesha sreeveni, 2014-05-03, 07:44
Re: Which database should be used - Hadoop - [mail # user]
...On Fri, May 2, 2014 at 1:51 PM, Alex Lee  wrote:​HBase is better.​*Thanks & Regards **Unmesha Sreeveni U.B**Hadoop, Bigdata Developer**Center for Cyber Security | Amrita Vishwa Vidyapee...
   Author: unmesha sreeveni, 2014-05-02, 08:43
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