org.apache.hadoop.metrics
Class MetricsServlet

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

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Deprecated. in favor of org.apache.hadoop.metrics2 usage.

@Deprecated
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class MetricsServlet
extends javax.servlet.http.HttpServlet

A servlet to print out metrics data. By default, the servlet returns a textual representation (no promises are made for parseability), and users can use "?format=json" for parseable output.

See Also:

Serialized Form

Constructor Summary

MetricsServlet()
Deprecated.

Method Summary

void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Deprecated.

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 Detail

MetricsServlet

public MetricsServlet()

Deprecated.

Method Detail

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws javax.servlet.ServletException,
                  IOException

Deprecated.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException