It fails when I set duration with time unit, e.g 5s, error
Reconfiguring status for node [localhost:8111]: started at Tue Jul 04 08:14:18 PDT 2017 and finished at Tue Jul 04 08:14:18 PDT 2017.
FAILED: Change property dfs.heartbeat.interval
Error: For input string: "5s".
time unit support was added via