Quick and dirty during early exploration development.
If LATENCY_JSONOUT is set to true, only the JSON output will be printed to
stdout. LATENCY_CLIENTCOUNT determines the number of concurrent connections to
run the test with. This will help show how your Redis setup handles various
levels of concurrency from the clients.
If storing results in mongo:
The latency numbers are in nanoseconds, and represent the point of view of the
client. As such it includes networking.