[GitHub] [rocketmq] superheizai opened a new issue #1527: Runtime status calculation optimization

[GitBox <gi...@apache.org>]

superheizai opened a new issue #1527: Runtime status calculation optimization
URL: https://github.com/apache/rocketmq/issues/1527
 
 
   Currently, StatsItem summary the runtime statistics into List by minute, hour and day. But calculation based on the first and the last element of the List. It's not accurate. 
   Calculation based on the last one and the former one will lead to a value which is more accurate.
   
   `        if (!csList.isEmpty()) {
                   CallSnapshot first = csList.getFirst();
                   CallSnapshot last = csList.getLast();
                   sum = last.getValue() - first.getValue();
                   tps = (sum * 1000.0d) / (last.getTimestamp() - first.getTimestamp());
                   long timesDiff = last.getTimes() - first.getTimes();
                   if (timesDiff > 0) {
                       avgpt = (sum * 1.0d) / timesDiff;
                   }
               }`
   

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