Package org.apache.hadoop.mapreduce.v2.hs.webapp

Class HsController

java.lang.Object
org.apache.hadoop.yarn.webapp.Controller
org.apache.hadoop.mapreduce.v2.app.webapp.AppController
org.apache.hadoop.mapreduce.v2.hs.webapp.HsController
All Implemented Interfaces:
org.apache.hadoop.mapreduce.v2.app.webapp.AMParams, org.apache.hadoop.yarn.webapp.Params
public class HsController extends org.apache.hadoop.mapreduce.v2.app.webapp.AppController
This class renders the various pages that the History Server WebApp supports

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.apache.hadoop.yarn.webapp.Controller

    org.apache.hadoop.yarn.webapp.Controller.RequestContext

  • Field Summary

    Fields inherited from class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    app

    Fields inherited from interface org.apache.hadoop.mapreduce.v2.app.webapp.AMParams

    APP_ID, ATTEMPT_STATE, COUNTER_GROUP, COUNTER_NAME, JOB_ID, RM_WEB, TASK_ID, TASK_STATE, TASK_TYPE

    Fields inherited from interface org.apache.hadoop.yarn.webapp.Params

    ERROR_DETAILS, TITLE, TITLE_LINK, USER

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    about()
    Render a page about the current server.
    protected Class<? extends org.apache.hadoop.yarn.webapp.View>
    aboutPage()
     
    void
    attempts()
     
    protected Class<? extends org.apache.hadoop.yarn.webapp.View>
    attemptsPage()
     
    protected Class<? extends org.apache.hadoop.yarn.webapp.View>
    confPage()
     
    Class<? extends org.apache.hadoop.yarn.webapp.View>
    countersPage()
     
    void
    index()
     
    void
    job()
     
    void
    jobCounters()
     
    protected Class<? extends org.apache.hadoop.yarn.webapp.View>
    jobPage()
     
    void
    logs()
    Render the logs page.
    void
    nmlogs()
    Render the nm logs page.
    protected Class<? extends org.apache.hadoop.yarn.webapp.View>
    singleCounterPage()
     
    void
    singleJobCounter()
     
    void
    singleTaskCounter()
     
    void
    task()
     
    void
    taskCounters()
     
    protected Class<? extends org.apache.hadoop.yarn.webapp.View>
    taskPage()
     
    void
    tasks()
     
    protected Class<? extends org.apache.hadoop.yarn.webapp.View>
    tasksPage()
     

    Methods inherited from class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    conf, downloadConf, info, requireJob, requireTask

    Methods inherited from class org.apache.hadoop.yarn.webapp.Controller

    $, context, cookies, echo, error, get, getInstance, inDevMode, info, injector, render, renderJSON, renderJSON, renderText, request, response, set, setStatus, setTitle, setTitle, status, url, writer

    Methods inherited from class java.lang.Object

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

  • Method Details

    • index

      public void index()
      Overrides:
      index in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • jobPage

      protected Class<? extends org.apache.hadoop.yarn.webapp.View> jobPage()
      Overrides:
      jobPage in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • countersPage

      public Class<? extends org.apache.hadoop.yarn.webapp.View> countersPage()
      Overrides:
      countersPage in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • tasksPage

      protected Class<? extends org.apache.hadoop.yarn.webapp.View> tasksPage()
      Overrides:
      tasksPage in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • taskPage

      protected Class<? extends org.apache.hadoop.yarn.webapp.View> taskPage()
      Overrides:
      taskPage in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • attemptsPage

      protected Class<? extends org.apache.hadoop.yarn.webapp.View> attemptsPage()
      Overrides:
      attemptsPage in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • job

      public void job()
      Overrides:
      job in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • jobCounters

      public void jobCounters()
      Overrides:
      jobCounters in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • taskCounters

      public void taskCounters()
      Overrides:
      taskCounters in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • tasks

      public void tasks()
      Overrides:
      tasks in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • task

      public void task()
      Overrides:
      task in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • attempts

      public void attempts()
      Overrides:
      attempts in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • confPage

      protected Class<? extends org.apache.hadoop.yarn.webapp.View> confPage()
      Overrides:
      confPage in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController
      Returns:
      the page that will be used to render the /conf page

    • aboutPage

      protected Class<? extends org.apache.hadoop.yarn.webapp.View> aboutPage()
      Returns:
      the page about the current server.

    • about

      public void about()
      Render a page about the current server.

    • logs

      public void logs()
      Render the logs page.

    • nmlogs

      public void nmlogs()
      Render the nm logs page.

    • singleCounterPage

      protected Class<? extends org.apache.hadoop.yarn.webapp.View> singleCounterPage()
      Overrides:
      singleCounterPage in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController

    • singleJobCounter

      public void singleJobCounter() throws IOException
      Overrides:
      singleJobCounter in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController
      Throws:
      IOException

    • singleTaskCounter

      public void singleTaskCounter() throws IOException
      Overrides:
      singleTaskCounter in class org.apache.hadoop.mapreduce.v2.app.webapp.AppController
      Throws:
      IOException