Tagged: study

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Apache Hadoop 1.x – Jobtracker

Source: http://wiki.apache.org/hadoop/JobTracker The JobTracker is the service within Hadoop that farms out MapReduce tasks to specific nodes in the cluster, ideally the nodes that have the data, or at least are in the same rack. Client applications submit jobs to...

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Open Source Tools

Source: http://www.bigdata-startups.com/open-source-tools/   Bigdata whitepapers http://www.bigdata-startups.com/big-data-white-papers/   Related posts: Cascading A vendor-independent comparison of NoSQL databases: Cassandra, HBase, MongoDB, Riak bigdata tools comparision Hadoop ecosystem

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Cascading

Source: http://www.cascading.org Cascading is a proven application development platform for building Data applications on Apache Hadoop. Whether solving simple or complex data problems, Cascading balances an optimal level of abstraction with the necessary degrees of freedom through a computation engine, systems...