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Posted to commits@inlong.apache.org by GitBox <gi...@apache.org> on 2022/01/19 02:31:15 UTC

[GitHub] [incubator-inlong] luchunliang edited a comment on pull request #2165: [INLONG-2106] DataProxy expose metric data using prometheus HttpServer.

luchunliang edited a comment on pull request #2165:
URL: https://github.com/apache/incubator-inlong/pull/2165#issuecomment-1016020043


   @shink 
   After calling the snapshot() method to extract the latest metrics values, the metrics will go to zero.
    MetricObserver snapshot latest values(List<MetricItemValue>) of the metrics periodically from JMX MBean, and MetricObserver notify all MetricListener(audit system and more different monitor systems).
   The latest values of the metrics is the data of a period(for example: a minute).
   In opensource version, Prometheus HTTP Server provide the accumulated value after node start to work for Prometheus monitor system.
   
   


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