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Re: config file loactions in Hadoop 2.0.2 - HDFS - [mail # user]
...Hi,  One place where I could find the capacity-scheduler.xml was from source - hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/resources. ...
   Author: Hemanth Yamijala, 2013-01-16, 04:26
Re: queues in haddop - HDFS - [mail # user]
...Queues in the capacity scheduler are logical data structures into which MapReduce jobs are placed to be picked up by the JobTracker / Scheduler framework, according to some capacity constrai...
   Author: Hemanth Yamijala, 2013-01-11, 10:30
Re: Selecting a task for the tasktracker - HDFS - [mail # user]
...Hi,  Firstly, I am talking about Hadoop 1.0. Please note that in Hadoop 2.x and trunk, the Mapreduce framework is completely revamped to Yarn ( http://hadoop.apache.org/docs/current/had...
   Author: Hemanth Yamijala, 2012-12-27, 15:38
Re: What does mapred.map.tasksperslot do? - HDFS - [mail # user]
...David,  Could you please tell what version of Hadoop you are using ? I don't see this parameter in the stable (1.x) or current branch. I only see references to it with respect to EMR an...
   Author: Hemanth Yamijala, 2012-12-27, 08:43
Re: "attempt*" directories in user logs - HDFS - [mail # user]
...However, in the case Oleg is talking about the attempts are: attempt_201212051224_0021_m_000000_0 attempt_201212051224_0021_m_000002_0 attempt_201212051224_0021_m_000003_0  These aren't...
   Author: Hemanth Yamijala, 2012-12-11, 04:03
Re: Map tasks processing some files multiple times - HDFS - [mail # user]
...Glad it helps. Could you also explain the reason for using MultipleInputs ?   On Thu, Dec 6, 2012 at 2:59 PM, David Parks  wrote:  ...
   Author: Hemanth Yamijala, 2012-12-06, 14:43
Re: Changing hadoop configuration without restarting service - HDFS - [mail # user]
...Generally true for the framework config files, but some of the supplementary features can be refreshed without restart. For e.g. scheduler configuration, host files (for included / excluded ...
   Author: Hemanth Yamijala, 2012-12-04, 08:47
Re: Question about the task assignment strategy - HDFS - [mail # user]
...Hi,  Task assignment takes data locality into account first and not block sequence. In hadoop, tasktrackers ask the jobtracker to be assigned tasks. When such a request comes to the job...
   Author: Hemanth Yamijala, 2012-09-11, 14:27
Re: Exception while running a Hadoop example on a standalone install on Windows 7 - HDFS - [mail # user]
...Though I agree with others that it would probably be easier to get Hadoop up and running on Unix based systems, couldn't help notice that this path:   \tmp \hadoop-upendyal\mapred\stagi...
   Author: Hemanth Yamijala, 2012-09-05, 04:29
Re: Error using hadoop in non-distributed mode - HDFS - [mail # user]
...Hi,  The path /tmp/hadoop-pat/mapred/local/archive/-4686065962599733460_15875705 56_150738331/ is a location used by the tasktracker process for the 'DistributedCache' - a mechanism to ...
   Author: Hemanth Yamijala, 2012-09-05, 04:22
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