Hi Scott,
The MapReduce was first implemented for Hadoop 0.20.0 and was
updated MapReduce module to work with Hadoop 0.21. From svn log, the
last version working with hadoop 0.20.0 should be 26264. So if you
update your mapreduce module to this version, it should work with 0.20.203.
Please keep in mind that this module is not well tested and hasn't
been publicly released. If you find any bugs, please let us know. Thanks.
Best wishes
Sincerely yours
Jianwu Wang
[email protected]
http://users.sdsc.edu/~jianwu/
Assistant Project Scientist
Scientific Workflow Automation Technologies (SWAT) Laboratory
San Diego Supercomputer Center
University of California, San Diego
San Diego, CA, U.S.A.
On 6/21/2011 6:44 AM, Scott Zimmer wrote:
We've been trying to integrate the Map-Reduce module and I've noticed
that it uses Hadoop 0.21. We are targeting an operational environment
where we would like to be using Hadoop 0.20.203 instead of Hadoop
0.21. Is there some particular functionality in Hadoop 0.21 that is
needed or can I safely make changes to use 0.20.203 with the
map-reduce module? I appreciate any advice that you have.
Scott
--
Scott Zimmer
Optensity, Inc.
512-299-7218
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