<%@ page contentType="text/html; charset=UTF-8" import="javax.servlet.*" import="javax.servlet.http.*" import="java.io.*" import="java.lang.String" import="java.text.*" import="java.util.*" import="org.apache.hadoop.mapred.*" import="org.apache.hadoop.util.*" import="java.text.SimpleDateFormat" import="org.apache.hadoop.util.*" %> <% JobTracker tracker = (JobTracker) application.getAttribute("job.tracker"); String trackerName = StringUtils.simpleHostname(tracker.getJobTrackerMachine()); String jobid = request.getParameter("jobid"); JobInProgress job = (JobInProgress) tracker.getJob(jobid); String tipid = request.getParameter("tipid"); String taskid = request.getParameter("taskid"); Format decimal = new DecimalFormat(); Counters counters; if (taskid == null) { counters = tracker.getTipCounters(jobid, tipid); taskid = tipid; // for page title etc } else { TaskStatus taskStatus = tracker.getTaskStatus(jobid, tipid, taskid); counters = taskStatus.getCounters(); } %> Counters for <%=taskid%>

Counters for <%=taskid%>

<% if ( counters == null ) { %>

No counter information found for this task

<% } else { %> <% for (String groupName : counters.getGroupNames()) { Counters.Group group = counters.getGroup(groupName); String displayGroupName = group.getDisplayName(); %> <% for (String counter : group.getCounterNames()) { String displayCounterName = group.getDisplayName(counter); long value = group.getCounter(counter); %> <% } } %>

<%=displayGroupName%>
<%=displayCounterName%> <%=decimal.format(value)%>
<% } %>
Go back to the job
Go back to JobTracker
Hadoop, 2007.