The simplest way is to swap the key and value in your mapper's output, then swap them back afterward.
On Thu, Jul 9, 2009 at 7:52 AM, Marcus Herou <[email protected]>wrote: > Hi many times I want to sort by value instead of key. > > For instance when counting the top used tags in blog posts or the ten most > visited pages on a certain site and so on. > > Wondering if that is even possible with hadopp or if I need to process the > file outside of hadoop. > > Cheers > > /Marcus > > -- > Marcus Herou CTO and co-founder Tailsweep AB > +46702561312 > [email protected] > http://www.tailsweep.com/ > -- Pro Hadoop, a book to guide you from beginner to hadoop mastery, http://www.amazon.com/dp/1430219424?tag=jewlerymall www.prohadoopbook.com a community for Hadoop Professionals
