[GitHub] [skywalking] Fine0830 edited a comment on issue #4166: Support Browser protocol at OAP

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Fine0830 edited a comment on issue #4166: Support Browser protocol at OAP
URL: https://github.com/apache/skywalking/issues/4166#issuecomment-570454506
 
 
   > OK, I just assign this to you. Several keys.
   > 
   > 1. A new receiver module is required.
   > 2. Register for the endpoint(pagePath) is the first priority work.
   > 3. The browser-related sources should be new and separated too all related sources. OAL and antlr should be changed too.
   > 4. All sources should be designed and discussed first.
   > 
   > ### Metrics are following
   > 1. PV for every page(endpoint), version(instance) and service
   > 2. The error rate for every page.
   > 3. TopN page is automatically available by topN query, don't need to implement
   > 4. Error logs for every `BrowserErrorLog`, with rate sampling.
   > 
   > To @Fine0830, a question, what metrics are required for all fields in PerfDetail. Avg time? Maybe.
   
   Yes. The data is displayed according to the average value of the indicator data in the specified time period. The average value can reflect the average performance over a period of time, but it is easily affected by the extreme value. For example, a user visiting the network is very poor, resulting in the overall page load is very slow, and the average value of the data will be directly pulled up. So I think we can do a filter and use the filter of extremum to remove the extremum and avoid the influence of extremum on the overall trend of performance.

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