Github user BigOneLiu commented on the issue:
https://github.com/apache/storm/pull/2377
Actually you can easily get the taskInfo.timestamp(1508207360) from thr
date (2017-10-17 10:29:20) ,and Log4j framework has provided more accurate
date(2017-10-17 10:29:20,906 126908).
If users who don't know MetricsConsumer read this log file, they may be
confused.
So I think it's better to delete it.---
