@Override
        public int compare(MData o1, MData o2) {
            return o1.getTimestamp().compareTo(o2.getTimestamp());
        }
@author Robert HG (254963746@qq.com) on 3/11/16.
lts-core/src/main/java/com/github/ltsopensource/core/monitor/MStatReportWorker.java