private void printFailures(
JspWriter out, JobTracker tracker, JobID jobId, String kind, String cause)
throws IOException {
JobInProgress job = (JobInProgress) tracker.getJob(jobId);
if (job == null) {
out.print("<b>Job " + jobId + " not found.</b><br>\n");
return;
}
boolean includeMap = false;
boolean includeReduce = false;
if (kind == null) {
includeMap = true;
includeReduce = true;
} else if ("map".equals(kind)) {
includeMap = true;
} else if ("reduce".equals(kind)) {
includeReduce = true;
} else if ("all".equals(kind)) {
includeMap = true;
includeReduce = true;
} else {
out.print("<b>Kind " + kind + " not supported.</b><br>\n");
return;
}
TaskStatus.State state = null;
try {
if (cause != null) {
state = TaskStatus.State.valueOf(cause.toUpperCase());
if (state != TaskStatus.State.FAILED && state != TaskStatus.State.KILLED) {
out.print("<b>Cause '" + cause + "' is not an 'unsuccessful' state.</b><br>\n");
return;
}
}
} catch (IllegalArgumentException e) {
out.print("<b>Cause '" + cause + "' not supported.</b><br>\n");
return;
}
out.print("<table border=2 cellpadding=\"5\" cellspacing=\"2\">");
out.print(
"<tr><th>Attempt</th><th>Task</th><th>Machine</th><th>State</th>"
+ "<th>Error</th><th>Logs</th></tr>\n");
if (includeMap) {
TaskInProgress[] tips = job.getTasks(TaskType.MAP);
for (int i = 0; i < tips.length; ++i) {
printFailedAttempts(out, tracker, jobId, tips[i], state);
}
}
if (includeReduce) {
TaskInProgress[] tips = job.getTasks(TaskType.REDUCE);
for (int i = 0; i < tips.length; ++i) {
printFailedAttempts(out, tracker, jobId, tips[i], state);
}
}
out.print("</table>\n");
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
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 {
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;
_jspx_resourceInjector =
(org.apache.jasper.runtime.ResourceInjector)
application.getAttribute("com.sun.appserv.jsp.resource.injector");
out.write('\n');
JobTracker tracker = (JobTracker) application.getAttribute("job.tracker");
ClusterStatus status = tracker.getClusterStatus();
String trackerName = StringUtils.simpleHostname(tracker.getJobTrackerMachine());
out.write("\n<html>\n<head>\n<title>");
out.print(trackerName);
out.write(
" Hadoop Locality Statistics</title>\n<link rel=\"stylesheet\" type=\"text/css\" href=\"/static/hadoop.css\">\n</head>\n<body>\n<h1>");
out.print(trackerName);
out.write(" Hadoop Locality Statistics</h1>\n\n<b>State:</b> ");
out.print(status.getJobTrackerState());
out.write("<br>\n<b>Started:</b> ");
out.print(new Date(tracker.getStartTime()));
out.write("<br>\n<b>Version:</b> ");
out.print(VersionInfo.getVersion());
out.write(",\n r");
out.print(VersionInfo.getRevision());
out.write("<br>\n<b>Compiled:</b> ");
out.print(VersionInfo.getDate());
out.write(" by\n ");
out.print(VersionInfo.getUser());
out.write("<br>\n<b>Identifier:</b> ");
out.print(tracker.getTrackerIdentifier());
out.write("<br>\n\n<hr>\n\n");
Collection<JobInProgress> jobs = new ArrayList<JobInProgress>();
jobs.addAll(tracker.completedJobs());
jobs.addAll(tracker.runningJobs());
jobs.addAll(tracker.failedJobs());
int dataLocalMaps = 0;
int rackLocalMaps = 0;
int totalMaps = 0;
int totalReduces = 0;
for (JobInProgress job : jobs) {
Counters counters = job.getCounters();
dataLocalMaps += counters.getCounter(JobInProgress.Counter.DATA_LOCAL_MAPS);
rackLocalMaps += counters.getCounter(JobInProgress.Counter.RACK_LOCAL_MAPS);
totalMaps += counters.getCounter(JobInProgress.Counter.TOTAL_LAUNCHED_MAPS);
totalReduces += counters.getCounter(JobInProgress.Counter.TOTAL_LAUNCHED_REDUCES);
}
int dataLocalMapPct = totalMaps == 0 ? 0 : (100 * dataLocalMaps) / totalMaps;
int rackLocalMapPct = totalMaps == 0 ? 0 : (100 * rackLocalMaps) / totalMaps;
int dataRackLocalMapPct =
totalMaps == 0 ? 0 : (100 * (dataLocalMaps + rackLocalMaps)) / totalMaps;
out.write("\n<p>\n<b>Data Local Maps:</b> ");
out.print(dataLocalMaps);
out.write(' ');
out.write('(');
out.print(dataLocalMapPct);
out.write("%) <br>\n<b>Rack Local Maps:</b> ");
out.print(rackLocalMaps);
out.write(' ');
out.write('(');
out.print(rackLocalMapPct);
out.write("%) <br>\n<b>Data or Rack Local:</b> ");
out.print(dataLocalMaps + rackLocalMaps);
out.write(' ');
out.write('(');
out.print(dataRackLocalMapPct);
out.write("%) <br>\n<b>Total Maps:</b> ");
out.print(totalMaps);
out.write(" <br>\n<b>Total Reduces:</b> ");
out.print(totalReduces);
out.write(" <br>\n</p>\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 {
_jspxFactory.releasePageContext(_jspx_page_context);
}
}