wu-sheng commented on issue #4228: Support Browser protocol at OAP URL: https://github.com/apache/skywalking/pull/4228#issuecomment-584024143 @Fine0830 Currently, we used to ask `browser_app_error_rate` as a metrics, including `error_rate` of single version and page. But in the latest protocol change, we support multiple logs for a single one page, https://github.com/apache/skywalking-data-collect-protocol/blob/master/browser/BrowserPerf.proto#L34 This protocol can't support to calculate error_rate, because if the client-js reports logs for one page in multiple times, the error rate will be over 100%. Such as one `collectPerfData` report means 1 PV, but n* `collectErrorLogs` reports, the error rate will be n/1.
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