org.apache.nutch.mapReduce
Class JobTrackerInfoServer

java.lang.Object
  org.apache.nutch.mapReduce.JobTrackerInfoServer

public class JobTrackerInfoServer

extends Object

JobTrackerInfoServer provides stats about the JobTracker via HTTP. It's useful for clients that want to track their jobs' progress.

Author:

Mike Cafarella

Nested Class Summary

static class

JobTrackerInfoServer.RedirectHandler

Constructor Summary

JobTrackerInfoServer(JobTracker jobTracker, int port)
We need the jobTracker to grab stats, and the port to know where to listen.

Method Summary

void	start() Launch the HTTP server
void	stop() Stop the HTTP server

Methods inherited from class java.lang.Object

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

Constructor Detail

JobTrackerInfoServer

public JobTrackerInfoServer(JobTracker jobTracker,
                            int port)
                     throws IOException

We need the jobTracker to grab stats, and the port to know where to listen.

Method Detail

start

public void start()
           throws IOException

Launch the HTTP server

Throws:

IOException

stop

public void stop()

Stop the HTTP server