GROUP 7 TOOLS FOR BIG DATA Sandeep Prasad Dipojjwal Ray.

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Presentation transcript:

GROUP 7 TOOLS FOR BIG DATA Sandeep Prasad Dipojjwal Ray

Objectives... Apache Hadoop Apache hadoop v1.0.3 and v1.0.4 successful installation Wordcount functionality by hadoop mapreduce Estimating value of 'Pi' by hadoop mapreduce MapReduce and HDFS

Apache Hadoop... High-Availability Distributed object-oriented platform Open Source Pseudo-Distributed single-node cluster A part of Apache Lucene project Handles petabytes of data

Installation of Hadoop v1.0.3 & Release Date v1.0.3 : October 12, 2012 Release Date v1.0.4 : May 16, 2012 OS : Ubuntu v12.04 Prerequisites : Sun Java, hduser Configuration

Examples... WordCount example : $ /bin/hadoop jar hadoop examples.jar wordcount file01.txt Estimation of 'Pi' $ /bin/hadoop jar hadoop examples.jar pi (x) (y) x= Number of maps y= Sample per maps Runtime 2.25 seconds (x=10 ; y=100) Estimated value

MapReduce & HDFS... Divide and conquer algorithm Map() and Reduce() function derive roots from functional programming JobTracker and TaskTracker NameNode and DataNode Hadoop Distributed File System Java Framework

References... linux-single-node-cluster Data intensive text-processing using Mapreduce Book by Jimmy Lin and Chris Dyer

THANK YOU

framework written in Java highly fault-tolerant distributed file system JobTracker web UI provides information about general job statistics of the Hadoop cluster, running/completed/failed jobs and a job history log file The task tracker web UI shows you running and non-running tasks

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