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@@ -5,16 +5,30 @@
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import="java.io.*"
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import="java.util.*"
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import="org.apache.hadoop.mapred.*"
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+ import="java.lang.Integer"
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%>
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+
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<%
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String jobid = request.getParameter("jobid");
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+ String type = request.getParameter("type");
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+ String pagenum = request.getParameter("pagenum");
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+ int pnum = Integer.parseInt(pagenum);
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+ int next_page = pnum+1;
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+ int numperpage = 2000;
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JobTracker tracker = JobTracker.getTracker();
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JobInProgress job = (JobInProgress) tracker.getJob(jobid);
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JobProfile profile = (job != null) ? (job.getProfile()) : null;
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JobStatus status = (job != null) ? (job.getStatus()) : null;
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-
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- TaskReport[] mapTaskReports = (job != null) ? tracker.getMapTaskReports(jobid) : null;
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- TaskReport[] reduceTaskReports = (job != null) ? tracker.getReduceTaskReports(jobid) : null;
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+ TaskReport[] reports = null;
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+ int start_index = (pnum - 1) * numperpage;
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+ int end_index = start_index + numperpage;
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+ int report_len = 0;
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+ if ("map".equals(type)){
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+ reports = (job != null) ? tracker.getMapTaskReports(jobid) : null;
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+ }
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+ else{
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+ reports = (job != null) ? tracker.getReduceTaskReports(jobid) : null;
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+ }
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%>
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<html>
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@@ -26,70 +40,63 @@
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No job found<br>
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<%
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} else {
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- %>
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+ %>
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<h1>Job '<%=jobid%>'</h1>
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<b>Job File:</b> <%=profile.getJobFile()%><br>
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<b>The job started at:</b> <%= new Date(job.getStartTime())%><br>
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-<%
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+<%
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if (status.getRunState() == JobStatus.RUNNING) {
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out.print("The job is still running.<br>\n");
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} else if (status.getRunState() == JobStatus.SUCCEEDED) {
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- out.print("<b>The job completed at:</b> " + new Date(job.getFinishTime()) + "<br>\n");
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- } else if (status.getRunState() == JobStatus.FAILED) {
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- out.print("<b>The job failed at:</b> " + new Date(job.getFinishTime()) + "<br>\n");
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- }
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-%>
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-<hr>
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-
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-<h2>Map Tasks</h2>
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- <center>
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- <table border=2 cellpadding="5" cellspacing="2">
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- <tr><td align="center">Task</td><td>Complete</td><td>Status</td><td>Errors</td></tr>
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+ out.print("<b>The job completed at:</b> " + new Date(job.getFinishTime()) +
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- <%
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-
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- for (int i = 0; i < mapTaskReports.length; i++) {
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- TaskReport report = mapTaskReports[i];
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+"<br>\n");
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+ } else if (status.getRunState() == JobStatus.FAILED) {
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+ out.print("<b>The job failed at:</b> " + new Date(job.getFinishTime()) +
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- out.print("<tr><td><a href=\"taskdetails.jsp?jobid=" + jobid + "&taskid=" + report.getTaskId() + "\">" + report.getTaskId() + "</a></td>");
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- out.print("<td>" + report.getProgress() + "</td>");
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- out.print("<td>" + report.getState() + "</td>");
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- String[] diagnostics = report.getDiagnostics();
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- for (int j = 0; j < diagnostics.length ; j++) {
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- out.print("<td><pre>" + diagnostics[j] + "</pre></td>");
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- }
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- out.print("</tr>\n");
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+"<br>\n");
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+ }
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+ report_len = reports.length;
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+
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+ if (report_len <= start_index) {
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+ out.print("<b>No such tasks</b>");
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+ }else{
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+ out.print("<hr>");
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+ out.print("<h2>Tasks</h2>");
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+ out.print("<center>");
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+ out.print("<table border=2 cellpadding=\"5\" cellspacing=\"2\">");
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+ out.print("<tr><td align=\"center\">Task</td><td>Complete</td><td>Status</td><td>Errors</td></tr>");
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+ if (end_index > report_len){
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+ end_index = report_len;
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}
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- %>
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- </table>
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- </center>
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-<hr>
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-
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-
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-<h2>Reduce Tasks</h2>
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- <center>
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- <table border=2 cellpadding="5" cellspacing="2">
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- <tr><td align="center">Task</td><td>Complete</td><td>State</td><td>Errors</td></tr>
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-
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- <%
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- for (int i = 0; i < reduceTaskReports.length; i++) {
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- TaskReport report = reduceTaskReports[i];
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-
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- out.print("<tr><td><a href=\"taskdetails.jsp?jobid=" + jobid + "&taskid=" + report.getTaskId() + "\">" + report.getTaskId() + "</a></td>");
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- out.print("<td>" + report.getProgress() + "</td>");
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- out.print("<td>" + report.getState() + "</td>");
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-
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- String[] diagnostics = report.getDiagnostics();
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- for (int j = 0; j < diagnostics.length ; j++) {
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- out.print("<td><pre>" + diagnostics[j] + "</pre></td>");
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- }
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- out.print("</tr>\n");
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+ for (int i = start_index ; i < end_index; i++) {
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+ TaskReport report = reports[i];
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+ out.print("<tr><td><a href=\"taskdetails.jsp?jobid=" + jobid +
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+"&taskid=" + report.getTaskId() + "\">" + report.getTaskId() + "</a></td>");
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+ out.print("<td>" + report.getProgress() + "</td>");
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+ out.print("<td>" + report.getState() + "</td>");
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+ String[] diagnostics = report.getDiagnostics();
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+ for (int j = 0; j < diagnostics.length ; j++) {
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+ out.print("<td><pre>" + diagnostics[j] + "</pre></td>");
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+ }
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+ out.print("</tr>\n");
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}
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+ out.print("</table>");
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+ out.print("</center>");
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+ }
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+
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%>
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- </table>
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- </center>
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- <%
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+
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+ <%
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+ if (end_index < report_len) {
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+ out.print("<div style=\"text-align:right\">" + "<a href=\"/jobdetails.jsp?jobid="+ jobid + "&type=" + type +"&pagenum=" + next_page
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+ + "\">" + "Next" + "</a></div>");
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+ }
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+ if (start_index != 0) {
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+ out.print("<div style=\"text-align:right\">" + "<a href=\"/jobdetails.jsp?jobid="+ jobid + "&type=" + type +"&pagenum=" + (pnum -1)
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+ + "\">" + "Prev" + "</a></div>");
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+ }
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}
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%>
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Doug Cutting