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From openresearch <Qiming...@openresearchinc.com>
Subject should data be evenly distributed to each (physical) node
Date Thu, 04 Mar 2010 15:25:30 GMT

I am building a small two node cluster following

Every thing seems to be working, except I notice the data are NOT evenly
distributed to each physical box.
e.g., when I hadoop dfs -put <6G> data. I am expecting ~3G on each node
(take turns every ~64MB), however, I checked dfshealth.jsp and "du -k" on
local box, and found the uploaded data are ONLY residing on the physical box
where I start "dfs -put". That defeats the whole (data locality) purpose of

Please help.


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