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Re: Resolving find bug issue - Hadoop - [mail # dev]
...The issue you are running into is because you made the HOST variable public , when it was package previously.  Findbugs thinks that you want HOST to be  a constant because it is AL...
   Author: Robert Evans, 2012-06-26, 14:14
[expand - 1 more] - Re: Is it possible to implement transpose with PigLatin/any other MR language? - Hadoop - [mail # user]
...@Subit  You can do it.  Here is some pseudo code for it in map/reduce.  It abuses M ap/Reduce a little to be more performent.  But it is definitely doable.  At  ...
   Author: Robert Evans, 2012-06-22, 14:47
Re: Yahoo Hadoop Tutorial with new APIs? - Hadoop - [mail # user]
...I am happy to announce that I was able to get the license on the Yahoo! Had oop tutorial updated from Creative Commons Attribution 3.0 Unported License  to Apache 2.0.  I have file...
   Author: Robert Evans, 2012-06-04, 15:05
[expand - 1 more] - Re: Pragmatic cluster backup strategies? - Hadoop - [mail # user]
...I am not an expert on the trash so you probably want to verify everything I  am about to say.  I believe that trash acts oddly when you try to use it t o delete a trash directory. ...
   Author: Robert Evans, 2012-05-30, 13:36
Re: How to mapreduce in the scenario - Hadoop - [mail # user]
...Yes you can do it.  In pig you would write something like  A = load ‘a.txt’ as (id, name, age, ...) B = load ‘b.txt’ as (id, address, ...) C = JOIN A BY id, B BY id; STORE C into ‘...
   Author: Robert Evans, 2012-05-29, 19:33
Re: contributing as student - Hadoop - [mail # dev]
...Also be aware that a lot of us are very busy, so sadly you may need to send  mail to the appropriate mailing list if your patch is not reviewed quickly .   On 5/29/12 4:32 AM, "Dev...
   Author: Robert Evans, 2012-05-29, 15:12
[expand - 1 more] - Re: Stream data processing - Hadoop - [mail # user]
...If you want the results to come out instantly Map/Reduce is not the proper  choice.  Map/Reduce is designed for batch processing.  It can do small batc hes, but the overhead o...
   Author: Robert Evans, 2012-05-22, 13:52
Re: Transfer archives (or any file) from Mapper to Reducer? - Hadoop - [mail # user]
...Be careful putting them in HDFS.  It does not scale very well, as the numbe r of file opens will be on the order of Number of Mappers * Number of Reduc ers.  You can quickly do a d...
   Author: Robert Evans, 2012-05-21, 18:39
Re: Need Urgent Help on Architecture - Hadoop - [mail # dev]
...All attachments are stripped when sent to the mailing list.  You will need  to use another service if you want us to see the diagram.   On 5/18/12 12:50 PM, "samir das mohapat...
   Author: Robert Evans, 2012-05-21, 18:10
Re: Oozie vs. YARN "application" - Hadoop - [mail # general]
...Keith,  The documentation is incorrect.  The plan is to be able to support such a t hing, but it has not been implemented yet.  I would like to see it be part  of the cor...
   Author: Robert Evans, 2012-05-18, 05:11
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