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heap size for the job tracker - Hadoop - [mail # user]
...1> Can I change the heap size for the job tracker only if I am using version 1.0.2?  2>  If so, would you please say what exact line I should put in the hadoop-evv.sh and whe...
   Author: Mike S, 2012-08-29, 02:10
[expand - 1 more] - Re: Merge Reducers Output - Hadoop - [mail # user]
...Thank you all for responses.  I can not really use hadoop fs -getMerge as data could be generated on any file system like S3 and this way of merge will not work for those files.  I...
   Author: Mike S, 2012-08-01, 00:28
Reducer MapFileOutpuFormat - Hadoop - [mail # user]
...If I set my reducer output to map file output format and the job would say have 100 reducers, will the output generate 100 different index file (one for each reducer) or one index file for a...
   Author: Mike S, 2012-07-23, 20:09
Avro vs Protocol Buffer - Hadoop - [mail # user]
...Strictly from speed and performance perspective, is Avro as fast as protocol buffer?...
   Author: Mike S, 2012-07-16, 20:49
[expand - 1 more] - Re: Too Many Open Files - Hadoop - [mail # user]
...100% sure I have done and again the problem is not becuase my configuration is kicking it. The problem is that my application uses MultipleTextOutputFormat that may create 500 000 files and ...
   Author: Mike S, 2012-07-12, 05:59
Hadoop Job Profiling Tool - Hadoop - [mail # user]
...Is there any Hadoop specific tool that can profile a job time? For instance, if a job took x amount of time, the tool can profile how this time was consumed at different stage likes time spe...
   Author: Mike S, 2012-07-09, 22:37
Read Little Endian Input File Format - Hadoop - [mail # user]
...The input file to my M/R job is a file with binary data (20 mix of int, long, float and double per record) which are all saved in little endian. I have implement my custom record reader to r...
   Author: Mike S, 2012-07-09, 20:33
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