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Re: Mapper input as argument - Hadoop - [mail # user]
...Hi Unmesha,  What is the computation you are trying to do? If you are interested in computing over multiple lines instead of a single line, have a look at NLineInputFormat.  Best R...
   Author: Sonal Goyal, 2013-11-07, 06:09
Re: Allow setting of end-of-record delimiter for TextInputFormat - Hadoop - [mail # user]
...Hi,  The record delimiter is not to be specified while copying the file, but when you run the map reduce job. Just copy the file and specify the delimiter at the time of the job run. &n...
   Author: Sonal Goyal, 2012-06-18, 14:22
Re: Welcoming Harsh J as a Hadoop committer - Hadoop - [mail # general]
...Congrats Harsh, thanks for all your answers and hard work!  Best Regards, Sonal Crux: Reporting for HBase  Nube Technologies         On Fri, Sep 16, 2011 at 7:1...
   Author: Sonal Goyal, 2011-09-16, 13:42
Re: Hbase + mapreduce -- operational design question - Hadoop - [mail # user]
...Chinmay, how are you configuring your job? Have you checked using setScan and selecting the keys you care to run MR over? See  http://ofps.oreilly.com/titles/9781449396107/mapreduce.htm...
   Author: Sonal Goyal, 2011-09-10, 17:16
Re: Too many maps? - Hadoop - [mail # user]
...Mark,  Having a large number of emitted key values from the mapper should not be a problem. Just make sure that you have enough reducers to handle the data so that the reduce stage does...
   Author: Sonal Goyal, 2011-09-07, 04:56
Re: Hadoop in process? - Hadoop - [mail # user]
...Hi Frank,  You can use the ClusterMapReduceCase class from org.apache.hadoop.mapred.  Here is an example of adapting it to Junit4 and running test dfs and cluster.  https://gi...
   Author: Sonal Goyal, 2011-08-26, 19:07
Re: Configuration settings - Hadoop - [mail # user]
...Hi Mark,  You can take a look at http://allthingshadoop.com/2010/04/28/map-reduce-tips-tricks-your-first-real-cluster/  and http://www.cloudera.com/blog/2009/03/configuration-param...
   Author: Sonal Goyal, 2011-06-22, 02:00
Re: Estimating Time required to compute M/Rjob - Hadoop - [mail # user]
...What is your MR job doing? What is the amount of data it is processing? What kind of a cluster do you have? Would you be able to share some details about what you are trying to do?  If ...
   Author: Sonal Goyal, 2011-04-16, 13:39
Re: Question on hadoop installation and setup - Pseudo-distributed mode - Hadoop - [mail # user]
...I see a space in fs. default.name after fs and hdfs: //, is that intentional or a typo?   Thanks and Regards, Sonal Hadoop ETL and Data Integration Nube Technologies      ...
   Author: Sonal Goyal, 2011-04-16, 13:36
Re: "Retrying connect" error while configuring hadoop - Hadoop - [mail # user]
...Are your datanodes and namenode machines able to see each other - ping etc? Is the /etc/hosts configured correctly? Is the namenode process(seen through jps on master) up ?  Thanks and ...
   Author: Sonal Goyal, 2011-04-12, 14:21
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