shaeffer at neuralscape.com
Fri Dec 26 23:23:38 EST 2008
On Fri, Dec 26, 2008 at 05:16:04PM -0600, Gerry Creager wrote:
> The subject line says it all: Hadoop: Anyone got any experience with it
> on clusters (OK, so Google does, but that really wasn't the question,
> was it?).
Google doesn't use Hadoop. Google published some papers on their
distributed computing environment that they invented. Then some
Java programmers implemented Hadoop after reading the papers
published by Google. Hadoop is grossly inefficient, as it is written
in Java. But it does work. Folks who use Hadoop include Yahoo. I
believe Amazon uses it as well. If you care about CPU cycles, then
you really don't want to get involved with Hadoop.
Neuralscape, Palo Alto, Ca. 94306
shaeffer at neuralscape.com http://www.neuralscape.com
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