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Re: Sometimes no map tasks are run - X are complete and N-X are pending, none running - Hadoop - [mail # user]
... my Do you mean the left over maps are not at all scheduled ? What do you  see in jobtracker logs ?...
   Author: Sharad Agarwal, 2009-04-17, 06:56
Re: Question about the classpath setting for bin/hadoop jar - Hadoop - [mail # user]
...executed to the classpath. Is this deliberate and what is the reasoning?  The result is that resources in the jar are not accessible from the  system class loader. Rather they are ...
   Author: Sharad Agarwal, 2009-04-17, 06:50
Re: Modeling WordCount in a different way - Hadoop - [mail # user]
... one of the do cant do thats my How big is your input and output data ? How many nodes you are using? What is your job runtime? I don't completely understand your usecase but my guess i...
   Author: Sharad Agarwal, 2009-04-15, 06:26
Re: Hadoop and Image analysis question - Hadoop - [mail # user]
...Sameer Tilak wrote: few machine creating You can store the image files in hdfs. However storing too many small  files in hdfs will result in scalability and performance issues. So you c...
   Author: Sharad Agarwal, 2009-04-13, 06:13
Re: Polymorphic behavior of Maps in One Job? - Hadoop - [mail # user]
...Right, and then you can use DelegatingInputFormat and DelegatingMapper. Unlike mappers, multiple reducers can't be set. Multiple mappers are set   based on different input paths, howeve...
   Author: Sharad Agarwal, 2009-04-09, 06:17
Re: Print execution time - Hadoop - [mail # user]
...Also available on jobtracker web ui.  Farhan Husain wrote: wrote: An  ...
   Author: Sharad Agarwal, 2009-04-08, 06:51
How to skip bad records in .19.1 - Hadoop - [mail # user]
...  comments are inline:  柳松 wrote:    Dear all:     I have set the value "SkipBadRecords.setMapperMaxSkipRecords(conf, 1)", and also the "SkipBadRecords.setAttem...
   Author: Sharad Agarwal, 2009-03-13, 09:19
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