Hi Adeel, The RawComparator is the fastest between the two as you avoid the need to convert the byte stream to Writable objects for comparison .
Regards Ravi Magham On Fri, Aug 30, 2013 at 11:16 PM, Adeel Qureshi <adeelmahm...@gmail.com>wrote: > For secondary sort I am implementing a RawComparator and providing that as > sortComparator .. is that the faster way or using a WritableComparable as > mapper output and defining a compareTo method on the key itself > > also what happens if both are defined, is one ignored >