Hello,
Sorting is done by the SortingComparator which performs sorting based on the
value of key. A possible solution would be the following:
You could write a custom Writable comparable class which extends
WritableComparable (lets call it MyCompositeFieldWritableComparable), that will
store
Thanks for reply.
Will try to implement. I think there is problem in my case where i have
modified write function of mapper context.write and tried to write same key
value pair multiple times.Also for this purpose i have modified partitioner
class. my partitioner class doesnt return single value
Hi
how to sort value in hadoop using standard sorting algorithm of hadoop (
i.e sorting facility provided by hadoop)
Requirement:
1) Values shoulde be sorted depending on some part of value
For Exam (KEY,VALUE)
(0,BC,4,XY')
(1,DC,1,PQ)
(2,EF,0,MN)
Sorted sequence @ reduce reached
