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PCA in HAdoop MapReduce - Hadoop - [mail # user]
...​I am little bit confused in doing PCAI am trying it myown and I referedhttp://nyx-www.informatik.uni-bremen.de/664/1/smith_tr_02.pdf1.MR job to calculate mean2.MR Job to substract mean from...
   Author: unmesha sreeveni, 2014-07-30, 06:28
Re: Sqoop command syntax - Hadoop - [mail # user]
...Try thissqoop import \​ ​scott --password​ ​tigerOn Tue, Jul 29, 2014 at 2:11 PM, R J  wrote:*Thanks & Regards **Unmesha Sreeveni U.B**Hadoop, Bigdata Developer**Center for Cyber Securi...
   Author: unmesha sreeveni, 2014-07-29, 08:52
Re: Create HDFS directory fails - Hadoop - [mail # user]
...On Tue, Jul 29, 2014 at 1:13 PM, R J  wrote:Check​if ​you have permissions to mkdir this directory (try it from the command line)​​*Thanks & Regards **Unmesha Sreeveni U.B**Hadoop, Bigd...
   Author: unmesha sreeveni, 2014-07-29, 08:46
ListWritable In Hadoop - Hadoop - [mail # user]
...hi Do we have a ListWritable in hadoop ?*Thanks & Regards **Unmesha Sreeveni U.B**Hadoop, Bigdata Developer* ...
   Author: unmesha sreeveni, 2014-07-10, 06:32
Re: hadoop directory can't add and remove - Hadoop - [mail # user]
...http://www.unmeshasreeveni.blogspot.in/2014/04/name-node-is-in-safe-mode-how-to-leave.htmlhadoop fs -rm r QuasiMonteCarlo_1404262305436_855154103On Wed, Jul 2, 2014 at 11:56 AM, EdwardKing &...
   Author: unmesha sreeveni, 2014-07-02, 06:39
Re: WholeFileInputFormat in hadoop - Hadoop - [mail # user]
...I am trying to do DBScan Algo.I refered the algo in "Data Mining - Conceptsand Techniques (3rd Ed)" chapter 10 Page no: 474.Here in this algorithmwe need to find the disance between each poi...
   Author: unmesha sreeveni, 2014-06-30, 04:02
Finding mamimum value in reducer - Hadoop - [mail # user]
...I have a scenario.Output from previous job1 is http://pastebin.com/ADa8fTGB.In next job2 I need to get/find i key having maximum value.eg i=3, 3 keys having maximum value.(i will be a custom...
   Author: unmesha sreeveni, 2014-06-24, 09:15
Re: Map reduce query - Hadoop - [mail # user]
...U can try it using Distributed cacheIn DriverFileStatus[] list = fs.globStatus(extrafile);for (FileStatus status : list) {  DistributedCache.addCacheFile(status.getPath().toUri(), ...
   Author: unmesha sreeveni, 2014-06-20, 09:54
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
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