one option can be to use multiple chained jobs using JobControl object. But can anyone tell whether in this case the output of first job be written to the disk? Actually I want to minimize access to the disk.
Cheers ________________________________ From: Fariha Atta <[email protected]> To: [email protected] Sent: Fri, July 2, 2010 8:45:12 AM Subject: Re: Chaining Map-Reduce But it provides chaining like Map+ | Reduce | Map* i.e. we can use only one reducer. On Fri, Jul 2, 2010 at 8:37 AM, Venkatesh S <[email protected]> wrote: > You could use ChainMapper and ChainReducer API in hadoop. >
