package org.apache.hadoop.mapred; import javax.servlet.*; import javax.servlet.http.*; import javax.servlet.jsp.*; import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import java.util.*; import java.text.DecimalFormat; import org.apache.hadoop.mapred.*; import org.apache.hadoop.util.*; public final class jobtracker_jsp extends org.apache.jasper.runtime.HttpJspBase implements org.apache.jasper.runtime.JspSourceDependent { private static DecimalFormat percentFormat = new DecimalFormat("##0.00"); public void generateSummaryTable(JspWriter out, ClusterStatus status, JobTracker tracker) throws IOException { String tasksPerNode = status.getTaskTrackers() > 0 ? percentFormat.format(((double)(status.getMaxMapTasks() + status.getMaxReduceTasks())) / status.getTaskTrackers()): "-"; out.print("\n"+ "" + "" + "" + "" + "\n"); out.print("

Maps	Reduces	Total Submissions	Nodes	Map Task Capacity	Reduce Task Capacity	Avg. Tasks/Node	Blacklisted Nodes
" + status.getMapTasks() + "	" + status.getReduceTasks() + "	" + tracker.getTotalSubmissions() + "	" + status.getTaskTrackers() + "	" + status.getMaxMapTasks() + "	" + status.getMaxReduceTasks() + "	" + tasksPerNode + "	" + status.getBlacklistedTrackers() + "" + "

\n"); out.print("
"); if (tracker.hasRestarted()) { out.print(""); if (tracker.hasRecovered()) { out.print("The JobTracker got restarted and recovered back in " ); out.print(StringUtils.formatTime(tracker.getRecoveryDuration())); } else { out.print("The JobTracker got restarted and is still recovering"); } out.print(""); } } private static java.util.List _jspx_dependants; public Object getDependants() { return _jspx_dependants; } public void _jspService(HttpServletRequest request, HttpServletResponse response) throws java.io.IOException, ServletException { JspFactory _jspxFactory = null; PageContext pageContext = null; HttpSession session = null; ServletContext application = null; ServletConfig config = null; JspWriter out = null; Object page = this; JspWriter _jspx_out = null; PageContext _jspx_page_context = null; try { _jspxFactory = JspFactory.getDefaultFactory(); response.setContentType("text/html; charset=UTF-8"); pageContext = _jspxFactory.getPageContext(this, request, response, null, true, 8192, true); _jspx_page_context = pageContext; application = pageContext.getServletContext(); config = pageContext.getServletConfig(); session = pageContext.getSession(); out = pageContext.getOut(); _jspx_out = out; out.write('\n'); JobTracker tracker = (JobTracker) application.getAttribute("job.tracker"); ClusterStatus status = tracker.getClusterStatus(); String trackerName = StringUtils.simpleHostname(tracker.getJobTrackerMachine()); JobQueueInfo[] queues = tracker.getQueues(); Vector runningJobs = tracker.runningJobs(); Vector completedJobs = tracker.completedJobs(); Vector failedJobs = tracker.failedJobs(); out.write('\n'); out.write("\n\n\n\n\n"); out.print( trackerName ); out.write(" Hadoop Map/Reduce Administration\n\n\n\n\n\n"); JSPUtil.processButtons(request, response, tracker); out.write("\n\n

"); out.print( trackerName ); out.write(" Hadoop Map/Reduce Administration

\n\n

\n Quick Links\n

\n\nState: "); out.print( status.getJobTrackerState() ); out.write("
\nStarted: "); out.print( new Date(tracker.getStartTime())); out.write("
\nVersion: "); out.print( VersionInfo.getVersion()); out.write(",\n r"); out.print( VersionInfo.getRevision()); out.write("
\nCompiled: "); out.print( VersionInfo.getDate()); out.write(" by \n "); out.print( VersionInfo.getUser()); out.write("
\nIdentifier: "); out.print( tracker.getTrackerIdentifier()); out.write("
\n \n

Cluster Summary (Heap Size is "); out.print( StringUtils.byteDesc(status.getUsedMemory()) ); out.write('/'); out.print( StringUtils.byteDesc(status.getMaxMemory()) ); out.write(")

\n"); generateSummaryTable(out, status, tracker); out.write("\n

Scheduling Information

\n\n\n\n\n\n\n\n\n"); for(JobQueueInfo queue: queues) { String queueName = queue.getQueueName(); String schedulingInformation = queue.getSchedulingInfo(); if(schedulingInformation == null || schedulingInformation.trim().equals("")) { schedulingInformation = "NA"; } out.write("\n\n\n\n\n"); } out.write("\n\n

Queue Name	Scheduling Information
'); out.print(queueName); out.write("	"); out.print(schedulingInformation.replaceAll("\n"," ") ); out.write("\n

\nFilter (Jobid, Priority, User, Name)
\nExample: 'user:smith 3200' will filter by 'smith' only in the user field and '3200' in all fields\n

\n\n

Running Jobs

\n"); out.print(JSPUtil.generateJobTable("Running", runningJobs, 30, 0)); out.write("\n

\n\n

Completed Jobs

\n"); out.print(JSPUtil.generateJobTable("Completed", completedJobs, 0, runningJobs.size())); out.write("\n

\n\n

Failed Jobs

\n"); out.print(JSPUtil.generateJobTable("Failed", failedJobs, 0, (runningJobs.size()+completedJobs.size()))); out.write("\n

\n\n

Local Logs

\nLog directory, \nJob Tracker History\n\n"); out.println(ServletUtil.htmlFooter()); out.write('\n'); } catch (Throwable t) { if (!(t instanceof SkipPageException)){ out = _jspx_out; if (out != null && out.getBufferSize() != 0) out.clearBuffer(); if (_jspx_page_context != null) _jspx_page_context.handlePageException(t); } } finally { if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context); } } }