You can look at Hadoop streaming 
http://hadoop.apache.org/common/docs/r0.20.0/streaming.html

Thanks
Amareshwari

On 9/7/11 1:38 PM, "Bejoy KS" <bejoy.had...@gmail.com> wrote:

Hi
       Is it possible to have my mapper in Perl and reducer in java. In my 
existing legacy system some larger process is being handled by Perl and the 
business logic of those are really complex. It is a herculean task to convert 
all the Perl  to java. But the reducer business logic which is again pretty 
complex is handled by the existing system in JAVA. Now I need to design map 
reduce reusing the existing code.  Has anyone already implemented some use 
cases in the same direction? If so please share the details.

Thank You

Regards
Bejoy.K.S

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