Based on this paper
go build -o client.exe
./client.exe
For the master
./client.exe -master <INPUT_DB> <OUTPUT_DB>
-M int
Number of map tasks (default 10)
-R int
Number of reduce tasks (default 10)
-address string
Address of the master node (default "localhost:8080")
-master
Whether this node is the master or a worker
-mode string
(part1|part2|main) For testing (default "main")
-port string
The port to listen on (default "8080")
-tempdir string
The directory to store temporary files in (default "tmp/mapreduce.47238")
-wait
Should workers wait for a master signal (keypress) or start immediately upon joining