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Re: Chaining MapReduce - Hadoop - [mail # user]
...What is the different between the mappers? Is the input data suppose to goto all mappers or it is dependent on the source data?Regards,ShahabOn Fri, Aug 21, 2015 at 1:35 PM, ☼ R Nair (रविशंक...
   Author: Shahab Yunus, 2015-08-21, 17:37
[expand - 1 more] - Re: Hbase compound filter support - HBase - [mail # user]
...You can built nest Filter conditions using FilterLists of FilterList.FilterList implements the Filter interface so 'add' method will work.Have you checked that approach?Regards,ShahabOn Mon,...
   Author: Shahab Yunus, 2015-08-17, 20:16
Re: hdfs commands tutorial - Hadoop - [mail # user]
...I am confused. The linked posted above tells you exactly that that how youinteract with hdfs to do various tasks and features with examples.What else are you looking for?Regards,ShahabOn Aug...
   Author: Shahab Yunus, 2015-08-14, 05:05
Re: Fwd: Properties file not loaded with hadoop jar command - Hadoop - [mail # user]
...This seems to be a Java issue rather than Hadoop?Have you seen these below, regarding intricacies involved in reading aresource file in Java jar?http://javarevisited.blogspot.com/2014/07/how...
   Author: Shahab Yunus, 2015-07-17, 14:18
Re: splits and merge - HBase - [mail # user]
...Ivan,Is it possible that you poll for number of regions (e.g. in a loop) afterinvoking split or merge to confirm that the action has been performed? Iknow it is a crude way but maybe somethi...
   Author: Shahab Yunus, 2015-07-16, 13:50
[expand - 1 more] - Re: hbase doubts - HBase - [mail # user]
...My understanding is (please feel free to correct if I am wrong.):For your first question, I think more than efficiency TableOutputFormatprovides you with a convenience of giving you a output...
   Author: Shahab Yunus, 2015-07-16, 13:48
Re: [DISCUSS] correcting abusive behavior on mailing lists was (Re: [DISCUSS] Multi-Cluster HBase Client) - HBase - [mail # dev]
...I am a very new here and also my contribution to the mailing list has beenlimited as well. I am not even a committer. But I have been following andreading the mailing list for a while. So gi...
   Author: Shahab Yunus, 2015-07-01, 12:21
Re: Reducer called twice for same key - Hadoop - [mail # user]
...Ravikant,How is the output that you sent in the email maps to the one you are areprinting in the code (using SOP statements)?Where do you see reducer being called again for the same key? May...
   Author: Shahab Yunus, 2015-06-29, 13:48
Re: Static variable in reducer - Hadoop - [mail # user]
...You asked a similar question earlier also so I will copy those commentshere with what I replied then:http://hadoop-common.472056.n3.nabble.com/how-to-assign-unique-ID-Long-Value-in-mapper-td...
   Author: Shahab Yunus, 2015-06-28, 15:08
Re: how to assign unique ID (Long Value) in mapper - Hadoop - [mail # user]
...I see 2 issues here which go kind of against the architecture and idea ofM/R (or distributed and parallel programming models.)1- The map and reduce tasks are suppose to be shared-nothing and...
   Author: Shahab Yunus, 2015-06-26, 12:27
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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