working with big scientific data on Hadoop
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I am currently starting  a project titled "Cloud computing for time series mining algorithms using Hadoop".
The data which I have is hdf files of size over a terabyte.In hadoop as I know that we should have text files as input for further processing (map-reduce task). So I have one option that I convert all my .hdf files to text files which is going to take a lot of time.

Or I find a way of how to use raw hdf files in map reduce programmes.
So far I have not been successful in finding any java code which reads hdf files and extract data from them.
If somebody has a better idea of how to work with hdf files I will really appreciate such help.

Thanks
Ayush