-Re: Creating another map reduce task in a map function
Jeremy Lewi 2011-04-23, 14:39
Have you looked at Hadoop Cascading http://www.cascading.org/ ?
Its a framework for creating pipelines for processing data ontop of
Map-Reduce. It sounds like it might work for you. You could have one
operator which used a regular expression to split each line into words,
and then you could have another operator after that which would process
On Sat, 2011-04-23 at 19:39 +0530, ranjith k wrote:
> Thank u..harsh.
> I have a map function. The inputFormat is line input format. i need to
> run another map reduce task from the map function for each word in
> that line. is it possible???
> On Sat, Apr 23, 2011 at 7:21 PM, Harsh J <[EMAIL PROTECTED]> wrote:
> It is 'possible' to launch a job from within a Task, yes. But
> you looking to achieve by doing this? I believe there are
> other good
> ways to chain jobs, if its that.
> On Sat, Apr 23, 2011 at 4:33 PM, ranjith k
> <[EMAIL PROTECTED]> wrote:
> > hello..
> > Is it possible to create an another map reduce task from
> inside the map
> > function??
> > advance thanks...
> > --
> > Ranjith k
> > +918129419842
> Harsh J
> Ranjith k