Thanks in advance .
On Fri, Apr 20, 2012 at 10:44 AM, Dmitriy Lyubimov <[email protected]> wrote: > Hello, > > There should be some way to compile quartiles in a map/reduce fashion > (i.e. with api similar to Pig's Arithmetic custom function) without > keeping enormous count hash? > There's this countsketch thing that i implemented before on map > reduce, but it is sort of like bloom filter: if it gives a wrong > result, the error is fairly huge (in case of bloom filter, 100%) and > to get good results it still requires quite a bit of memory
