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How to handle multiline record for inputsplit? - MapReduce - [mail # dev]
...Hi folks, I have a huge text file in TBs and it has multiline records. And we are not given that each records takes how many lines. One records can be of size 5 lines, other may be of 6 line...
   Author: Darpan R, 2013-05-21, 06:07
Confusion related to NLineInputFormat - MapReduce - [mail # dev]
...Hi guys,  I've a confusion related to NLineInputFormat.  I have written MR job using NLineInputFormat ,output I am getting fine. But I am getting only 2 Map jobs running.  Acc...
   Author: Darpan R, 2013-05-06, 12:23
Why number of reducers should be less than number of reducer slots. - MapReduce - [mail # dev]
...Hi guys,  I read somewhere that for better performance  For maximum performance, the number of reducers should be slightly less than the number of reduce slots in the cluster. This...
   Author: Darpan R, 2013-04-23, 06:10
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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