org.apache.hadoop.mapred

Class TaskGraphServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.apache.hadoop.mapred.TaskGraphServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class TaskGraphServlet
extends javax.servlet.http.HttpServlet

The servlet that outputs svg graphics for map / reduce task statuses

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	height height of the graph w/o margins
static int	width height of the graph w/o margins
static int	xmargin margin space on x axis
static int	ymargin margin space on y axis

Constructor Summary

Constructors

Constructor and Description
TaskGraphServlet()

Method Summary

Methods

Modifier and Type	Method and Description
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)

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

Field Detail

width

public static final int width

height of the graph w/o margins

See Also:

Constant Field Values

height

public static final int height

height of the graph w/o margins

See Also:

Constant Field Values

ymargin

public static final int ymargin

margin space on y axis

See Also:

Constant Field Values

xmargin

public static final int xmargin

margin space on x axis

See Also:

Constant Field Values

Constructor Detail

TaskGraphServlet

public TaskGraphServlet()

Method Detail

doGet

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

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException