[repost ]Using Distributed Cache in Hadoop (Hadoop 0.20.2)

original:http://bishalacharya.blogspot.com/2011/09/using-distributed-cache-in-hadoop.html Quite often we encounter situation when we need certain files like configuration files, jar libraries, xml files, properties files etc to be present in Hadoops processing nodes at the time of its execution. Quite understandably Hadoop has a feature called Distributed Cache which helps in sending those readonly files to the task nodes. In [...]



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