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Re: Why is Hadoop always running just 4 tasks? - MapReduce - [mail # user]
...Not sure , If I understand the question correctly. The reducers would start only after all the mappers are complete.  =Rahul   On Wed, Dec 11, 2013 at 7:59 AM, Dror, Ittay  wr...
   Author: Rahul Bhattacharjee, 2013-12-11, 16:12
Re: Folder not created using Hadoop Mapreduce code - MapReduce - [mail # user]
...it might be creating within the user directory of the user in hdfs.  trying creating something starting with a forward slash.  Thanks, Rahul   On Wed, Nov 13, 2013 at 10:40 PM...
   Author: Rahul Bhattacharjee, 2013-11-14, 06:58
Re: File formats in Hadoop: Sequence files vs AVRO vs RC vs ORC - MapReduce - [mail # user]
...Sequence files are language neutral as Avro. Yes , but not sure about the support of other language lib for processing seq files.  Thanks, Rahul    On Mon, Sep 30, 2013 at 11:...
   Author: Rahul Bhattacharjee, 2013-09-30, 17:45
Re: Help writing a YARN application - MapReduce - [mail # user]
...I tried something , see if this helps. Its incomplete though. https://github.com/brahul/singular  Thanks, Rahul   On Fri, Sep 20, 2013 at 11:54 PM, Pradeep Gollakota wrote:  ...
   Author: Rahul Bhattacharjee, 2013-09-21, 04:08
Re: MAP_INPUT_RECORDS counter in the reducer - MapReduce - [mail # user]
...Shahab,  One question - You mentioned - "In the normal configuration, the issue here is that Reducers can start before all the Maps have finished so it is not possible to get the number...
   Author: Rahul Bhattacharjee, 2013-09-18, 03:09
Re: How to ignore empty file comming out from hive map side join - MapReduce - [mail # user]
...See if this makes sense .  You mean in the output directory there are some empty files as well. Those might have come from maps which didn't emit any pair. Not sure if there is anything...
   Author: Rahul Bhattacharjee, 2013-09-13, 16:41
[expand - 2 more] - Re: Multidata center support - MapReduce - [mail # user]
...Under replicated blocks are also consistent from a consumers point. Care of explain the relation to weak consistency to hadoop.  Thanks, Rahul   On Wed, Sep 4, 2013 at 9:56 AM, Rah...
   Author: Rahul Bhattacharjee, 2013-09-04, 04:34
Re: Error in command: bin/hadoop fs -put conf input - MapReduce - [mail # user]
...no data nodes in cluster.  go to cluster web portal.  Thanks, Rahul   On Sun, Jun 16, 2013 at 2:38 AM, sumit piparsania <[EMAIL PROTECTED]  ...
   Author: Rahul Bhattacharjee, 2013-06-18, 12:32
Re: hprof profiler output location - MapReduce - [mail # user]
...In the same directory from which the job has been triggered.  Thanks, Rahul   On Sun, Jun 16, 2013 at 3:33 PM, YouPeng Yang wrote:  ...
   Author: Rahul Bhattacharjee, 2013-06-18, 12:27
Re: Environment variable representing classpath for AM launch - MapReduce - [mail # user]
...Thanks Devraj,  Yes , the default yarn site has this property already , I have not overridden this. The $CLASSPATH environment should have the proper classpath set with the locations fr...
   Author: Rahul Bhattacharjee, 2013-06-18, 06:20
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB