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Re: use S3 as input to MR job - MapReduce - [mail # user]
...Are you sure that you prepare your MR code to work with mutiple files? This example (WordCount) works with a single input.  You should take a look to the MultipleInput API for this. Bes...
   Author: Marcos Ortiz, 2012-10-02, 13:07
Re: Suggestions required for learning Hadoop - MapReduce - [mail # user]
...Regards, Munnavar. There is a great refcardz from DZone, written by Eugene Ciurana  (http://eugeneciurana.com), which are perfect for Sysadmins interesting on Hadoop called: - "Getting ...
   Author: Marcos Ortiz, 2012-09-13, 17:54
Re: Exception while running a Hadoop example on a standalone install on Windows 7 - MapReduce - [mail # user]
...On 09/04/2012 02:35 PM, Udayini Pendyala wrote: Well, if you tell to us the problems that you have in Ubuntu, we can  give you a hand. Michael Noll have great tutorials for this:  ...
   Author: Marcos Ortiz, 2012-09-04, 18:42
Re: Hadoop and MainFrame integration - MapReduce - [mail # user]
...The problem with it, is that Hadoop depends on top of HDFS to storage in  blocks of 64/128 MB of size (or the size that you determine, 64 MB is  the de-facto size), and then make t...
   Author: Marcos Ortiz, 2012-08-28, 22:51
Re: 答复: distcp error. - MapReduce - [mail # user]
...Have you searched in the Hadoop Jira if there is a seemed problem to this? This can be a bug.  El 28/08/2012 12:30, Tao escribi锟斤拷:     10mo. ANIVERSARIO DE LA CREACION DE LA ...
   Author: Marcos Ortiz, 2012-08-28, 19:03
Re: Job exceeded Reduce Input limit - MapReduce - [mail # user]
...Can you share with us your completed stack? - Java and Hadoop version? - Config files? - Cluster distribution? (Numbers of NN and DN) - O.S If it is possible, your hardware too.  Best w...
   Author: Marcos Ortiz, 2012-07-07, 19:25
Re: How to connect to a cluster by using eclipse - MapReduce - [mail # user]
...Jason, Ramon is right. The best way to debug a MapReduce job is mounting a local cluster, and then, when you have tested enough your code, then, you can deploy it in a real distributed clust...
   Author: Marcos Ortiz, 2012-07-05, 03:26
Re: override mapred-site.xml from command line - MapReduce - [mail # user]
... On 06/06/2012 07:44 PM, Sid Kumar wrote: You should do it explicitly. You should read the excellent blog post from Lars Francke where he did a  great job explaining parameter by p...
   Author: Marcos Ortiz, 2012-06-07, 13:16
Re: HBase is able to connect to ZooKeeper but the connection closes immediately - MapReduce - [mail # user]
...Can you show us the code that you are developing? Which HBase version are you using ?  Yo should check if you are creating multiples HBaseConfiguration objects. The approach to this is ...
   Author: Marcos Ortiz, 2012-06-06, 21:05
Yahoo Hadoop Tutorial with new APIs? - MapReduce - [mail # user]
...Regards to all the list. There are many people that use the Hadoop Tutorial released by Yahoo at  http://developer.yahoo.com/hadoop/tutorial/   The main issue here is that, this tu...
   Author: Marcos Ortiz, 2012-04-04, 12:32
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