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Re: Problem with Hadoop simple program - Hadoop - [mail # dev]
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...Did you formatted the namenode before running code? On Apr 5, 2012 10:13 PM, "VaniJay" wrote: ...
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Author: madhu phatak,
2012-04-05, 16:47
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Cross join/product in Map/Reduce - Hadoop - [mail # user]
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...Hi, I am using the following code to generate cross product in hadoop. package com.example.hadoopexamples.joinnew; import java.io.BufferedReader; import java.io.IOException; impo...
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Author: madhu phatak,
2012-04-03, 12:26
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Re: Image Processing in Hadoop - Hadoop - [mail # user]
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...Hi Shreya, Image files binary files . Use SequenceFile format to store the image in hdfs and SequenceInputFormat to read the bytes . You can use TwoDWritable to store matrix for ...
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Author: madhu phatak,
2012-04-02, 10:12
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Re: 0 tasktrackers in jobtracker but all datanodes present - Hadoop - [mail # user]
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...Hi, 1. Stop the job tracker and task trackers. - bin/stop-mapred.sh 2. Disable namenode safemode - bin/hadoop dfsadmin -safemode leave 3. Start the job tracker and tasktra...
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Author: madhu phatak,
2012-04-02, 06:38
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Re: Multiple linear Regression on Hadoop - Hadoop - [mail # user]
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...Hi , Nectar already implemented Multiple Linear Regression. You can look into the code here https://github.com/zinnia-phatak-dev/Nectar . On Fri, Jan 13, 2012 at 11:2...
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Author: madhu phatak,
2012-04-02, 06:18
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Re: input file order - Hadoop - [mail # user]
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...Hi, Mappers run in parallel. So without reducer it is not possible ensure the sequence. On Fri, Jan 20, 2012 at 2:32 AM, Mapred Learn wrote: https://github.com/zinn...
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Author: madhu phatak,
2012-04-02, 06:00
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Re: Regarding Hadoop 1.0.0 release - Hadoop - [mail # user]
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...Hi , Security features of 1.0.0. are same as 0.20.203 version .So you should be able to find documentation under 0.20.203 version. On Fri, Jan 20, 2012 at 4:03 PM, renuka w...
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Author: madhu phatak,
2012-04-02, 05:57
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Re: setting sample text-files error - Hadoop - [mail # user]
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...Hi, Can you tell which version of Hadoop you are using? It seems like duplicate jars are on the classpath. 2012/1/23 Aleksandar Hudić th org/apache/commons/cli/OptionBuild...
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Author: madhu phatak,
2012-04-02, 05:51
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Re: Hadoop fs custom commands - Hadoop - [mail # user]
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...Hi, All commands invoke FSShell.java code. As per my knowledge you have to change the source code and build to support custom commands. On Sun, Apr 1, 2012 at 2:11 PM, JAX ...
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Author: madhu phatak,
2012-04-02, 05:23
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Re: Retail receipt analysis - Hadoop - [mail # user]
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...There is also Nectar. https://github.com/zinnia-phatak-dev/Nectar On Sat, Feb 4, 2012 at 12:49 AM, praveenesh kumar wrote: https://github.com/zinnia-phatak-dev/Nectar...
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Author: madhu phatak,
2012-03-30, 08:45
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