13:20:08.979 [main] INFO  [MetricStreamDriver:start:97] - MetricStreamDriver started.
13:20:08.979 [main] INFO  [MetricStreamDriver:stop:118] - MetricStreamDriver stopped.
13:20:08.979 [main] INFO  [MetricStreamDriver:stop:107] - MetricStreamDriver already stopped, ignoring request to stop
13:20:08.980 [main] INFO  [MetricStreamDriver:start:97] - MetricStreamDriver started.
13:20:08.981 [main] DEBUG [MetricStreamingLoop:startMetricRetrieval:300] - querying stream cpu.usage.stream for interval 2017-01-01T11:59:00.000Z/2017-01-01T12:00:00.000Z ...
13:20:08.981 [main] DEBUG [MetricStreamingLoop:deliver:240] - cpu.usage.stream: 1 out of 1 metric values newer than 2017-01-01T11:59:00.000Z to deliver
13:20:08.982 [main] DEBUG [MetricStreamingLoop:handleMetricRetrievals:214] - delivered a total of 1 new values
13:20:08.983 [main] INFO  [MetricStreamDriver:start:97] - MetricStreamDriver started.
13:20:08.983 [main] INFO  [MetricStreamDriver:start:89] - MetricStreamDriver already started, ignoring request to start
