statistic: add moving average for stable hot #2286
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nolouch
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rleungx
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* add moving average
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What problem does this PR solve?
It will denoise and make statistics more stable. Below is a contrast between before and after.
What is changed and how it works?
We use average overtime to solve the problem that interval is different.
And add another moving average to filter out high-frequency noise.
Release note
Add moving average to make flow statistics more stable.
Check List
Tests