Comments on: MapReduce: Google’s Database Probe Launched

By: RIsEoben

RIsEoben — Fri, 05 Dec 2008 05:46:19 +0000

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By: Winning with Data: Aster Data Systems Blog » Blog Archive » TDWI MapReduce Nightschool Recap

Fri, 14 Nov 2008 12:06:30 +0000

[...] and technology community, with recent coverage in the NY Times and by influential blogs like DBMS2, Beyond Search, and Cloud N, just to name a [...]

By: Stephen E. Arnold

Stephen E. Arnold — Fri, 29 Aug 2008 15:52:10 +0000

Curt Monash,

Luke posted as well. Regarding satisfaction, uncertain.

Stephen Arnold, August 29, 2008

By: Curt Monash

Curt Monash — Fri, 29 Aug 2008 10:19:32 +0000

Stephen,

Luke is co-founder/CTO of Greenplum. Satisfied?

Best,

CAM

By: Luke Lonergan

Luke Lonergan — Fri, 29 Aug 2008 10:02:11 +0000

Hi Stephen,

Licensing is not required for MapReduce as it is a work derived from many sources of publicly shared know-how. It dates back to the original Lisp operators Map and Reduce.

The Wikipedia page is pretty complete here:
http://en.wikipedia.org/wiki/MapReduce

Greenplum’s MapReduce support is designed to provide a superset of the semantic content of open source Hadoop and Google’s implementations, making it straightforward to port from those environments to Greenplum’s data analysis and management engine.

Some important extensions we provide include:
- Extensions for Joins and Pipelined task execution
- Native parallel file access
- Parallelism is full and transparent to the programmer

In summary: we have implemented MapReduce within which you can write SQL, Perl, Python and many more languages. It is straightforward use MR programs written for Hadoop or Google and port them to Greenplum.

By: Dataspaces Analysis Available : Beyond Search

Dataspaces Analysis Available : Beyond Search — Fri, 29 Aug 2008 05:02:31 +0000

[...] oldie” technology MapReduce available to Aster Data and Greenplum. You can read about this here. Last year, I spoke with representatives of IBM and Oracle. I asked about their perceptions of [...]

By: Stephen E. Arnold

Stephen E. Arnold — Fri, 29 Aug 2008 02:33:36 +0000

Curt Monash,

Thanks for posting. I suppose I should have defined the scope of the term. May I ask, “Are you certain there is no understanding about the terms of use?” If you have documentation, please, share it. My research indicates boundaries.

Stephen Arnold, August 29, 2008

By: Curt Monash

Curt Monash — Thu, 28 Aug 2008 21:58:07 +0000

Steve,

Your premise is wrong. There was no licensing from Google, and this is not a business initiative on Google’s part.

Best,

CAM