mr

package

v0.0.0-...-72d728a Latest Latest Go to latest Published: Aug 15, 2020 License: BSD-2-Clause Imports: 1 Imported by: 0

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Toy implementation of MapReduce.

% go get github.com/davidrjenni/lib/mr

Package mr implements MapReduce using Go channels and Go routines.

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func Run(j Job, input []string) chan Tuple

Run runs a MapReduce job on the given input.

type Job interface {
	Map(key, value string, out chan<- Tuple)
	Reduce(key string, values []string, out chan<- Tuple)
}

Job represents a MapReduce job.

type Tuple struct {
	First, Second string
}

Tuple holds two strings.

Path	Synopsis
wc Command wc implements word count as MapReduce job.	Command wc implements word count as MapReduce job.