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From Mark Kerzner <markkerz...@gmail.com>
Subject hadoop versions
Date Sun, 15 Nov 2009 21:37:25 GMT

when I am building my jar for a MapReduce job, I include the version of
Hadoop I am running on my workstation. When I run Hadoop on a cluster, there
is a version that runs on a cluster. Do they have to match? In other words,
how does my Hadoop jar interacts with the cluster's Hadoop?

Thank you,

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