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[expand - 1 more] - Re: _temporary doesn't exist - Hadoop - [mail # user]
...Hi Vipul       AFAIK, the clean up should happen after the job completion not task. But what is causing this clean up, may be you can get some info from the NN logs.  Reg...
   Author: Bejoy Ks, 2012-03-16, 20:33
Re: Not able to Make directory in HDFS - Hadoop - [mail # user]
...Hi Sujit      Strange. Is it throwing any errors? If so please attach the console log.  Regards Bejoy.K.S  On Fri, Mar 16, 2012 at 11:23 PM, Sujit Dhamale wrote: &nb...
   Author: Bejoy Ks, 2012-03-16, 18:51
Re: Hadoop 1.0.0 - stuck at map reduce - Hadoop - [mail # user]
...Hey Bob        Looks like you don't have the map and reduce slots configured on your system it is pointing to zero. In your mapred-site.xml set mapred.tasktracker.map.tas...
   Author: Bejoy Ks, 2012-03-16, 18:47
[expand - 1 more] - Re: SequenceFile split question - Hadoop - [mail # user]
...Hi Mohit      You are right. If your smaller XML files are in hdfs then MR would be the best approach to combine it to a sequence file. It'd do the job in parallel.  Rega...
   Author: Bejoy Ks, 2012-03-15, 14:58
Re: does hadoop always respect setNumReduceTasks? - Hadoop - [mail # user]
...Hi Jayne       Adding on to Lance's comments, (answer to other queries)               Yes, unless you mark it final in mapred-site.xml (you ...
   Author: Bejoy Ks, 2012-03-09, 19:08
Re: how to get rid of -libjars ? - Hadoop - [mail # user]
...Hi Jane  + Adding on to Joey's comments  If you want to eliminate the process of distributing the dependent jars every time, then you need to manually pre-distribute these jars acr...
   Author: Bejoy Ks, 2012-03-06, 16:04
[expand - 1 more] - Re: Writing small files to one big file in hdfs - Hadoop - [mail # user]
...Hi Mohit       AFAIK XMLLoader in pig won't be suited for Sequence Files. Please post the same to Pig user group for some workaround over the same.        ...
   Author: Bejoy Ks, 2012-02-21, 18:25
Re: Processing compressed files in Hadoop - Hadoop - [mail # user]
...Hi Leo        You can index the LZO files as  //Run theLZO indexer on files in hdfs LzoIndexer indexer = new LzoIndexer(fs.getConf()); indexer.index(filePath);  ...
   Author: Bejoy Ks, 2012-02-08, 18:33
Re: how to specify class name to run in mapreduce job - Hadoop - [mail # user]
...Hi Vinod          You can use the format as hadoop jar    Like ->  hadoop jar /home/user/sample.jar com.sample.apps.MainClass ......  Don't sp...
   Author: Bejoy Ks, 2012-01-11, 06:58
[expand - 2 more] - Re: has bzip2 compression been deprecated? - Hadoop - [mail # user]
...Hi Tony       Please find responses inline  So, to summarise: when I CREATE EXTERNAL TABLE in Hive, the STORED AS, ROW FORMAT and other parameters you mention are telling...
   Author: Bejoy Ks, 2012-01-10, 18:01
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