PrometheusServlet (Apache Hadoop Common 3.5.0 API)
Description: declaration: package: org.apache.hadoop.http, class: PrometheusServlet

Package org.apache.hadoop.http

# Class PrometheusServlet

java.lang.Object
javax.servlet.GenericServlet
javax.servlet.http.HttpServlet
org.apache.hadoop.http.PrometheusServlet

All Implemented Interfaces:
  `Serializable`, `javax.servlet.Servlet`, `javax.servlet.ServletConfig`

public class PrometheusServlet extends javax.servlet.http.HttpServlet
Servlet to publish hadoop metrics in prometheus format.

See Also:
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `PrometheusServlet()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `protected void`
  `doGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)`
  `PrometheusMetricsSink`
  `getPrometheusSink()`

  ### Methods inherited from class javax.servlet.http.HttpServlet

  `doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service`

  ### Methods inherited from class javax.servlet.GenericServlet

  `destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Constructor Details

  - ### PrometheusServlet

    public PrometheusServlet()

- ## Method Details

  - ### getPrometheusSink

    public PrometheusMetricsSink getPrometheusSink()

  - ### doGet

    protected void doGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp) throws javax.servlet.ServletException, IOException
    Overrides:
      `doGet` in class `javax.servlet.http.HttpServlet`
    Throws:
      `javax.servlet.ServletException`
      `IOException`