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From <huan....@accenture.com>
Subject RE: Google Patent on MapReduce
Date Fri, 22 Jan 2010 19:27:51 GMT
The patent covers only the implementation, but not the programming model. If Google enforces,
Hadoop could change its implementation to get around. The independent claims 1 and 9 have
too many "wherein" clauses that, if Hadoop just changes one aspect, it can get around the
claim language. 

http://huanliu.wordpress.com/2010/01/22/googles-mapreduce-patent-and-its-impact-on-hadoop-and-cloud-mapreduce/

-Huan

> -----Original Message-----
> From: Evert Lammerts [mailto:Evert.Lammerts@sara.nl]
> Sent: Wednesday, January 20, 2010 2:12 PM
> To: general@hadoop.apache.org
> Subject: RE: Google Patent on MapReduce
> 
> I tend to second that - nothing to worry about:
> http://gigaom.com/2010/01/19/why-hadoop-users-shouldnt-fear-googles-
> new-mapreduce-patent/.
> 
> Evert Lammerts
> ________________________________________
> From: Robert Burrell Donkin [robertburrelldonkin@gmail.com]
> Sent: Wednesday, January 20, 2010 11:10 PM
> To: general@hadoop.apache.org
> Subject: Re: Google Patent on MapReduce
> 
> On Wed, Jan 20, 2010 at 10:06 PM, Robert Burrell Donkin
> <robertburrelldonkin@gmail.com> wrote:
> > On Wed, Jan 20, 2010 at 8:07 PM, Something Something
> > <mailinglists19@gmail.com> wrote:
> >> Here's some more info:
> >>
> >> http://arstechnica.com/open-source/news/2010/01/googles-mapreduce-
> patent-what-does-it-mean-for-hadoop.ars
> >>
> >> It will be nice to get some official announcement from Apache Hadoop
> team
> >> regarding future of Hadoop.
> >>
> >> - A very scared Hadoop Fan :(
> >
> > don't worry
> >
> > every substantial application has a very large probability of patent
> > infringement
> 
> basically, no company that uses software can enforce a software patent
> against any tech major due to mutually-assured destruction through
> software patent armageddon. lots of tech majors use hadoop ergo google
> would be MAD to use the patent.
> 
> - robert



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