Package org.apache.hadoop.http

Class HttpServer2Metrics

java.lang.Object
org.apache.hadoop.http.HttpServer2Metrics
@Private @Unstable @Metrics(name="HttpServer2", about="HttpServer2 metrics", context="http") public class HttpServer2Metrics extends Object
This class collects all the metrics of Jetty's StatisticsHandler and expose them as Hadoop Metrics.

  • Method Details

    • asyncDispatches

      @Metric("number of requested that have been asynchronously dispatched") public int asyncDispatches()

    • asyncRequests

      @Metric("total number of async requests") public int asyncRequests()

    • asyncRequestsWaiting

      @Metric("currently waiting async requests") public int asyncRequestsWaiting()

    • asyncRequestsWaitingMax

      @Metric("maximum number of waiting async requests") public int asyncRequestsWaitingMax()

    • dispatched

      @Metric("number of dispatches") public int dispatched()

    • dispatchedActive

      @Metric("number of dispatches currently active") public int dispatchedActive()

    • dispatchedActiveMax

      @Metric("maximum number of active dispatches being handled") public int dispatchedActiveMax()

    • dispatchedTimeMax

      @Metric("maximum time spend in dispatch handling (in ms)") public long dispatchedTimeMax()

    • dispatchedTimeMean

      @Metric("mean time spent in dispatch handling (in ms)") public double dispatchedTimeMean()

    • dispatchedTimeStdDev

      @Metric("standard deviation for dispatch handling (in ms)") public double dispatchedTimeStdDev()

    • dispatchedTimeTotal

      @Metric("total time spent in dispatch handling (in ms)") public long dispatchedTimeTotal()

    • expires

      @Metric("number of async requests requests that have expired") public int expires()

    • requests

      @Metric("number of requests") public int requests()

    • requestsActive

      @Metric("number of requests currently active") public int requestsActive()

    • requestsActiveMax

      @Metric("maximum number of active requests") public int requestsActiveMax()

    • requestTimeMax

      @Metric("maximum time spend handling requests (in ms)") public long requestTimeMax()

    • requestTimeMean

      @Metric("mean time spent handling requests (in ms)") public double requestTimeMean()

    • requestTimeStdDev

      @Metric("standard deviation for request handling (in ms)") public double requestTimeStdDev()

    • requestTimeTotal

      @Metric("total time spend in all request handling (in ms)") public long requestTimeTotal()

    • responses1xx

      @Metric("number of requests with 1xx response status") public int responses1xx()

    • responses2xx

      @Metric("number of requests with 2xx response status") public int responses2xx()

    • responses3xx

      @Metric("number of requests with 3xx response status") public int responses3xx()

    • responses4xx

      @Metric("number of requests with 4xx response status") public int responses4xx()

    • responses5xx

      @Metric("number of requests with 5xx response status") public int responses5xx()

    • responsesBytesTotal

      @Metric("total number of bytes across all responses") public long responsesBytesTotal()

    • statsOnMs

      @Metric("time in milliseconds stats have been collected for") public long statsOnMs()