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Re: Mapreduce - HDFS - [mail # user]
...As this is a HBase specific question, it will be better to ask this question on the HBase user mailing list.  Thanks Hemanth   On Fri, Apr 19, 2013 at 10:46 PM, Adrian Acosta Mitja...
   Author: Hemanth Yamijala, 2013-04-20, 10:24
[expand - 2 more] - Re: Find reducer for a key - HDFS - [mail # user]
...Hi,  The way I understand your requirement - you have a file that contains a set of keys. You want to read this file on every reducer and take only those entries of the set, whose keys ...
   Author: Hemanth Yamijala, 2013-03-29, 03:47
[expand - 2 more] - Re: Child JVM memory allocation / Usage - HDFS - [mail # user]
...Couple of things to check:  Does your class com.hadoop.publicationMrPOC.Launcher implement the Tool interface ? You can look at an example at ( http://hadoop.apache.org/docs/r1.0.4/mapr...
   Author: Hemanth Yamijala, 2013-03-27, 08:59
Re: Too many open files error with YARN - HDFS - [mail # user]
...There was an issue related to hung connections (HDFS-3357). But the JIRA indicates the fix is available in Hadoop-2.0.0-alpha. Still, would be worth checking on Sandy's suggestion   On ...
   Author: Hemanth Yamijala, 2013-03-21, 04:27
Re: hadoop cluster not working - HDFS - [mail # user]
...Hi,  This line in your exception message: "Exception in thread "main" java.io.IOException: Call to localhost/ 127.0.0.1:54311 failed on local exception: java.io.IOException: Connection ...
   Author: Hemanth Yamijala, 2013-03-12, 11:14
Re: Hadoop efficient resource isolation - HDFS - [mail # user]
...Supporting a multiuser scenario like this is always hard under Hadoop. There are a few configuration knobs that offer some administrative control and protection.  Specifically for the p...
   Author: Hemanth Yamijala, 2013-02-21, 16:51
Re: ClassNotFoundException in Main - HDFS - [mail # user]
...Sorry. I did not read the mail correctly. I think the error is in how the jar has been created. The classes start with root as wordcount_classes, instead of org.  Thanks Hemanth  O...
   Author: Hemanth Yamijala, 2013-02-19, 16:10
Re: Confused about splitting - HDFS - [mail # user]
...Adding on to the response, looking at the existing source code of LineRecordReader, which has a similar function to read across HDFS blocks to align with line boundaries may also help you to...
   Author: Hemanth Yamijala, 2013-02-11, 04:27
Re: Issue with running hadoop program using eclipse - HDFS - [mail # user]
...Previously, I have resolved this error by building a jar and then using the API job.setJarByClass(.class). Can you please try that once ?   On Thu, Jan 31, 2013 at 6:40 PM, Vikas Jadhav...
   Author: Hemanth Yamijala, 2013-02-01, 04:12
Re: Filesystem closed exception - HDFS - [mail # user]
...Thanks, Harsh. Particularly for pointing out HADOOP-7973.   On Fri, Jan 25, 2013 at 11:51 AM, Harsh J  wrote:  ...
   Author: Hemanth Yamijala, 2013-01-25, 08:34
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