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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2020/12/12 07:44:40 UTC

[GitHub] [skywalking] wu-sheng commented on issue #5997: agent side percentage sampling config option

wu-sheng commented on issue #5997:
URL: https://github.com/apache/skywalking/issues/5997#issuecomment-743719266


   Hi, thanks for asking. The key is why do you need client-side `sampleRate`. I need to correct you 
   
   > but the bandwidth is still wasted
   
   This conclusion is not correct. The metrics of services/instance/etc. are depending on it. The sampling is just reducing the storage load, but the metrics are still accurate.
   
   > may not be very flexible if has many multiple sources of agent
   
   I am not sure what do you mean about this. What kind of flexibility?
   
   > What's the reason of not providing that but using a "traces in 3 seconds" mechanism instead
   
   I could ask the same question revertly, what is the reason for requiring rate sampling?
   
   ___
   The key of the new feature is the scenario, what it could bring more.


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