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Reg: when failures on writing to DB from map\reduce - MapReduce - [mail # user]
...Hi All,  In Sqoop: When exporting from HDFS to DB, If an export map task fails due to these or other reasons, it will cause the export job to fail. The results of a failed export are un...
   Author: Manoj Babu, 2012-08-23, 13:35
[expand - 2 more] - Re: doubt on Hadoop job submission process - MapReduce - [mail # user]
...Then i need to submit the jar contains non hadoop activity classes and its supporting libraries to all the nodes since i can't create two jar's. Is there anyway to do it optimized?   Ch...
   Author: Manoj Babu, 2012-08-13, 12:20
[expand - 1 more] - Re: Compare Hadoop and Pig Map\Reduce - MapReduce - [mail # user]
...Thanks Abhishek.  Cheers! Manoj.    On Tue, Jul 31, 2012 at 10:43 PM, Abhishek Shivkumar  wrote:  ...
   Author: Manoj Babu, 2012-07-31, 17:41
Processing Large XML in Hadoop - MapReduce - [mail # user]
...Hi,  Could you kindly explain the pros and cons of using Hadoop's StreamInputFormat and Mahout XmlInputFormat. How the record reader reads the record if it across the other blocks when ...
   Author: Manoj Babu, 2012-07-15, 16:37
[expand - 1 more] - Re: suggest Best way to upload xml files to HDFS - MapReduce - [mail # user]
...Hi,  Could you kindly provide the pros and cons of Multifile, combilefile, sequencefile input format?  Thanks in Advance.  Cheers! Manoj.    On Fri, Jul 13, 2012 at ...
   Author: Manoj Babu, 2012-07-13, 05:59
[expand - 1 more] - Re: How to use CombineFileInputFormat in Hadoop? - MapReduce - [mail # user]
...Ya Harsh its been posted 2 months back no response, if you google for CombineFileInputFormat sure you will see it.  Mapredue user group rocks! Thanks for the response.  On 12 Jul 2...
   Author: Manoj Babu, 2012-07-12, 16:09
[expand - 2 more] - Re: Mapper basic question - MapReduce - [mail # user]
...Thanks All!  On 11 Jul 2012 19:07, "Bejoy KS"  wrote:  ...
   Author: Manoj Babu, 2012-07-11, 15:02
[expand - 1 more] - Re: issue with map running time - MapReduce - [mail # user]
...Thanks Karthik. But how we can overcome that? do we need to user different file format? Also am using the below code to merge all files into single file. Is it a proper way to do it?   ...
   Author: Manoj Babu, 2012-07-10, 06:57
[expand - 1 more] - Re: How to change name node storage directory? - MapReduce - [mail # user]
...Hi Harsh,  What permission do we need to provide for  dfs.name.dir  folder? and the remaining internal folder structures will it be created auto or do we need to create manual...
   Author: Manoj Babu, 2012-07-10, 06:53
[expand - 1 more] - Re: Basic question on how reducer works - MapReduce - [mail # user]
...Hi Harsh,  Thanks for clarifying. I was in thought earlier that Partitioner is picking the reducer.  My cluster setup provides options for multiple reducers so i want to know when ...
   Author: Manoj Babu, 2012-07-09, 18:07
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