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Re: Is it possible to access the HDFS via Java OUTSIDE the Cluster? - Hadoop - [mail # user]
...On 09/05/2011 05:42 PM, Sofia Georgiakaki wrote:  You certainly can access a file on HDFS through a simple Java program.  You can also access your files with an even simpler Python...
   Author: Luca Pireddu, 2011-09-06, 12:26
Re: Multiple Output Formats - Hadoop - [mail # user]
...On July 26, 2011 06:11:33 PM Roger Chen wrote:  Hello,  I have a working sample here:  http://biodoop-seal.bzr.sourceforge.net/bzr/biodoop- seal/trunk/annotate/head%3A/src/it/...
   Author: Luca Pireddu, 2011-07-27, 06:30
Re: Sorting ... - Hadoop - [mail # user]
...On May 25, 2011 22:15:50 Mark question wrote:   If you want to achieve a global sort, then look at how TeraSort does it:  http://sortbenchmark.org/YahooHadoop.pdf  The idea is...
   Author: Luca Pireddu, 2011-05-26, 07:45
Re: get name of file in mapper output directory - Hadoop - [mail # user]
...On May 25, 2011 00:28:10 Mark question wrote:  Indeed, output is written to the _temporary directory and then moved by a  FileOutputCommitter once all tasks are done.  Why do ...
   Author: Luca Pireddu, 2011-05-25, 08:51
Re: I can't see this email ... So to clarify .. - Hadoop - [mail # user]
...Is  /cs/student/mark/ on the *shared* NFS volume you mentioned in your  original post?  In that case all nodes would be trying to use the exact same   directory.  Lu...
   Author: Luca Pireddu, 2011-05-25, 08:39
Re: problems with start-all.sh - Hadoop - [mail # user]
...On May 10, 2011 17:54:27 Keith Thompson wrote:  I'd say, for running tests with a pseudo-cluster on a single machine it would  be easiest for you to extract the archive somewhere i...
   Author: Luca Pireddu, 2011-05-10, 16:08
Announcing Seal 0.1.0:  BWA alignment on Hadoop - Hadoop - [mail # user]
...Hello everyone.  If you're working on short DNA read alignment, then you ma y  be interested in this message.  We've just released Seal (http://biodoop-seal.sourceforge.net/),...
   Author: Luca Pireddu, 2011-05-09, 10:47
Re: Memory mapped resources - Hadoop - [mail # user]
...On April 12, 2011 21:50:07 Luke Lu wrote:  We adopted this solution for a similar problem.  For a program we developed  each mapper needed to access (read-only) an index about...
   Author: Luca Pireddu, 2011-04-13, 07:21
Re: Hadoop for Bioinformatics - Hadoop - [mail # user]
...On March 28, 2011 04:51:14 Franco Nazareno wrote:  I'll add some relevant citations:  An overview of the Hadoop/MapReduce/HBase framework and its current  applications in bioi...
   Author: Luca Pireddu, 2011-03-29, 13:49
Re: how to write outputs sequentially? - Hadoop - [mail # user]
...On March 22, 2011 16:54:34 Shi Yu wrote:   You can look at TeraSort in the examples to see how to do this.  There's even  a short write-up  by Owen O'Malley about it here...
   Author: Luca Pireddu, 2011-03-22, 16:03
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