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From Ted Dunning <tdunn...@veoh.com>
Subject Re: Question on DFS block placement and 'what is a rack' wrt DFS block placement
Date Tue, 12 Feb 2008 22:01:06 GMT

Hadoop is pretty good at doing long sequential reads and writes.  I would
guess that would allow the I/O scheduler plenty of opportunity to optimize
operations.


On 2/12/08 1:11 PM, "Jason Venner" <jason@attributor.com> wrote:

> Is disk arm contention (seek) a problem in a 6 disk configuration as
> most likely all of the disks would be serving /local/ and /dfs/?


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