[Hadoop-common-user] newbie in streaming: How to execute a single executable

On Fri, Jul 11, 2008 at 4:14 AM, Charan Thota wrote:


Hi,

I'm a newbie in streaming in hadoop. I want to know how to execute a
single c++ executable?
Should it be a mapper only job? the executable is to cluster a set of
points present in
a file.
so, it cannot be really said to be a mapper or reducer.Also, there is no
code
present,except for the executable.

please tell me how to execute this on hadoop. is there any other way
(apart from
streaming) to do this?

Thank you

Charan T.

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1. You will have to modify your c++ binary (or any other binary) in a way
that
it takes input from stdin
and outputs to stdout.

2. If you run your job as a mapper only job, you'll have as many result
files as the number of mappers created.
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