This is similar to MapRedPlainCountOne, but supports counting many values at once. More...
Classes | |
class | CountMapper |
class | CountReducer |
Static Public Member Functions | |
static void | setup (JobConf conf) |
Initializes the class based on provided configuration parameters. |
This is similar to MapRedPlainCountOne, but supports counting many values at once.
Still, it does not support disjunctive, arbitrary boolean expression, GF(2) arithmetized counting.
static void mapred.MapRedPlainCountAll.setup | ( | JobConf | conf | ) | [inline, static] |
Initializes the class based on provided configuration parameters.
The initialization comprises setting job's name, assigning Mapper and Reducer class as well as their input and output key-value classes.
conf | configuration parameters. |