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From Steve Lewis <lordjoe2...@gmail.com>
Subject Running as multiple users on a cluster
Date Wed, 10 Nov 2010 21:19:14 GMT
We have recently set up a hadoop 0.21 cluster. It looks as if jobs are
designed to run as a user www

We would like to run jobs as individual users - say joe, bill, sue

This raises several issues -
   we can disable permissions - otherwise we see permission issues when jobs
are staged

 What about staging - are there conflicts if multiple users try to submit
jobs at the same time - as long as there is no conflict on
input or output directories

are threre other issues or reasons why different users cannot run hadoop
jobs on the same cluster

Steven M. Lewis PhD
4221 105th Ave Ne
Kirkland, WA 98033
206-384-1340 (cell)
Institute for Systems Biology
Seattle WA

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