2d double array is a matrix.so i should be able to emit the entire matrix . Can any one suggest how to write a custom datatype
On Tue, Oct 29, 2013 at 10:54 AM, unmesha sreeveni <unmeshab...@gmail.com>wrote: > > > http://stackoverflow.com/questions/19602692/java-lang-classcastexception-in-hadoop-mapreduce > > I tried out, but it is not working. > > > > Can anyone suggest me a gud way for emitting two 2D double arrays as key > and value from mapper and read those two arrays as key and value from > reducer . > > > http://mapreduce-tutorial.blogspot.in/2011/04/custom-data-types.html > > I have gone through this link.These r all new to me. > > how to override those methods in writable. > > -- > *Thanks & Regards* > * > * > Unmesha Sreeveni U.B* > * > *Junior Developer > * > *Amrita Center For Cyber Security > * > * > Amritapuri. > > www.amrita.edu/cyber/ > * > -- *Thanks & Regards* * * Unmesha Sreeveni U.B* * *Junior Developer * *Amrita Center For Cyber Security * * Amritapuri. www.amrita.edu/cyber/ *