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RE: Map Tasks do not obey data locality principle........ - MapReduce - [mail # user]
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...Agreed. Thanks for replying. As hints what I have given is the ip address of the node where the file is residing but still it does not follow data locality. One clarification - I...
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Author: Agarwal, Nikhil,
2013-05-16, 06:21
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RE: Map Tasks do not obey data locality principle........ - MapReduce - [mail # user]
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...No, it does not. I have kept the granularity at file level rather than a block. I do not think that should affect the mapping of tasks ? Regards, Nikhil From: Harsh J [mai...
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Author: Agarwal, Nikhil,
2013-05-16, 06:08
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Map Tasks do not obey data locality principle........ - MapReduce - [mail # user]
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...Hi, I have a 3-node cluster, with JobTracker running on one machine and TaskTrackers on other two (say, slave1 and slave2). Instead of using HDFS, I have written my own FileSyste...
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Author: Agarwal, Nikhil,
2013-05-14, 10:55
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RE: How to combine input files for a MapReduce job - MapReduce - [mail # user]
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...Hi, @Harsh: Thanks for the reply. Would the patch work in Hadoop 1.0.4 release? From: Harsh J [mailto:[EMAIL PROTECTED]] Sent: Monday, May 13, 2013 1:03 PM To: Subjec...
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Author: Agarwal, Nikhil,
2013-05-13, 07:55
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How to combine input files for a MapReduce job - MapReduce - [mail # user]
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...Hi, I have a 3-node cluster, with JobTracker running on one machine and TaskTrackers on other two. Instead of using HDFS, I have written my own FileSystem implementation. As an e...
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Author: Agarwal, Nikhil,
2013-05-13, 07:20
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Which data sets were processed by each tasktracker? - MapReduce - [mail # user]
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...Hi, I have a 3-node cluster, with JobTracker running on one machine and TaskTrackers on other two. Instead of using HDFS, I have written my own FileSystem implementation. I am ab...
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Author: Agarwal, Nikhil,
2013-05-03, 08:14
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What is required to run hadoop daemons? - MapReduce - [mail # user]
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...Hi, I wanted to ask that suppose I have Hadoop source code and Jonbtracker running on my linux machine. If I want to start a TaskTracker daemon on another machine then do I need to put...
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Author: Agarwal, Nikhil,
2013-04-02, 13:53
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RE: using test.org.apache.hadoop.fs.s3native.InMemoryNativeFileSystemStore class in hadoop - MapReduce - [mail # user]
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...Hi, Thanks for the quick reply. In order to test the class TestInMemoryNativeS3FileSystemContract and its functions what should be the value of parameter sin my configuration files (c...
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Author: Agarwal, Nikhil,
2013-03-18, 11:46
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using test.org.apache.hadoop.fs.s3native.InMemoryNativeFileSystemStore class in hadoop - MapReduce - [mail # user]
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...Hi All, I am pretty new to Hadoop. I noticed that there are many test classes in hadoop source code under the packages test. org.apache.hadoop. Can anyone explain me or provide some po...
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Author: Agarwal, Nikhil,
2013-03-18, 08:24
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RE: How to add another file system in Hadoop - MapReduce - [mail # user]
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...Hi All, Thanks a lot for taking out your time to answer my question. Ling, thank you for directing me to glusterfs. I can surely take lot of help from that but what I wanted to k...
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Author: Agarwal, Nikhil,
2013-02-22, 05:05
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