Ah, but it says about PowerSet that it runs on Amazon, so why would they pay extra for their own Windows and moreover, why would they use Windows given a choice of Linux? My personal opinion is that Microsoft has a pact with Yahoo only so that they would have an official excuse to use Linux<http://top8corp.blogspot.com/2009/07/if-microsoft-is-close-to-partnership.html>:)
2009/9/17 Tom Wheeler <tomwh...@gmail.com> > The cost of Windows licenses -- particularly for large clusters -- is > probably another reason why Windows is not widely used for production > Hadoop systems. Since Hadoop is designed for running on cheap > commodity machines, you could wind up spending as much on Windows > licenses as you do for hardware. > > That said, Microsoft uses Hadoop for PowerSet > (http://wiki.apache.org/hadoop/PoweredBy). If anyone was using > Windows for a production system, I'd expect it would be them. > > 2009/9/16 松柳 <lamfeeli...@gmail.com>: > > Hi > > I dont know about the production deployment, but to my knowledge, I feel > the > > windows clusters are less efficient than linux's. I think the main > problem > > may be the SSH software and cygwin componets, they are first functional, > > then effective. > > > > Song > > > -- > Tom Wheeler > http://www.tomwheeler.com/ >