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Re: Restricting the number of slave nodes used for a given job (regardless of the # of map/reduce tasks involved) - Hadoop - [mail # user]
...Hi,  I am not sure if there's any way to restrict the tasks to specific machines. However, I think there are some ways of restricting to number of 'slots' that can be used by the job. &...
   Author: Hemanth Yamijala, 2012-09-10, 10:01
Re: test-patch and native code compile - Hadoop - [mail # dev]
...Thanks. I've opened https://issues.apache.org/jira/browse/HADOOP-8776. Will work on options and a patch there.  Hemanth  On Fri, Sep 7, 2012 at 12:24 AM, Colin McCabe  wrote:...
   Author: Hemanth Yamijala, 2012-09-07, 04:32
[HADOOP-8765] LocalDirAllocator.ifExists API is broken and unused - Hadoop - [issue]
...LocalDirAllocator.ifExists calls AllocatorPerContext.ifExists, which accesses the localDirsPath variable that is uninitialised. Hence, any code that uses this API is likely to fail with a Nu...
http://issues.apache.org/jira/browse/HADOOP-8765    Author: Hemanth Yamijala, 2012-09-06, 13:53
test-patch and native code compile - Hadoop - [mail # dev]
...Hi,  The test-patch script in Hadoop source runs a native compile with the patch. On platforms like MAC, there are issues with the native compile. For e.g we run into HADOOP-7147 that h...
   Author: Hemanth Yamijala, 2012-09-06, 07:49
Re: Unused API in LocalDirAllocator - Hadoop - [mail # dev]
...Thanks. Filed https://issues.apache.org/jira/browse/HADOOP-8765.  Hemanth  On Tue, Sep 4, 2012 at 6:22 PM, Robert Evans  wrote:...
   Author: Hemanth Yamijala, 2012-09-05, 04:48
Unused API in LocalDirAllocator - Hadoop - [mail # dev]
...Hi,  Stumbled on the fact that LocalDirAllocator.ifExists() is not used anywhere. The previous usage of this API was in the IsolationRunner that was removed in MAPREDUCE-2606.  Thi...
   Author: Hemanth Yamijala, 2012-09-04, 11:34
Re: no output written to HDFS - Hadoop - [mail # user]
...Hi,  Do both input files contain data that needs to be processed by the mapper in the same fashion ? In which case, you could just put the input files under a directory in HDFS and prov...
   Author: Hemanth Yamijala, 2012-08-31, 04:46
[HADOOP-5726] Remove pre-emption from the capacity scheduler code base - Hadoop - [issue]
...In an effort to simplify the code base, we would like to remove the pre-emption related code in the capacity scheduler. We would reintroduce this (possibly with some revisions to the origina...
http://issues.apache.org/jira/browse/HADOOP-5726    Author: Hemanth Yamijala, 2012-06-22, 17:48
Re: HDFS disk consumption. - Hadoop - [mail # user]
...Hi,  On Wed, Dec 29, 2010 at 5:51 AM, Jane Chen  wrote  I verify that?  I have a pseudo cluster running 0.21.0.  It seems that  the hdfs disk consumption triples the amou...
   Author: Hemanth Yamijala, 2010-12-29, 04:43
Re: Topology : Script Based Mapping - Hadoop - [mail # user]
...Hi,  On Tue, Dec 28, 2010 at 6:03 PM, Rajgopal Vaithiyanathan  wrote:  I am not sure if $HOME gets expanded automatically. Can you try it as ${HOME}, or in the worst case spec...
   Author: Hemanth Yamijala, 2010-12-29, 04:36
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