📄 tasktracker.jsp
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<%@ page contentType="text/html; charset=UTF-8" 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.*"%><% TaskTracker tracker = (TaskTracker) application.getAttribute("task.tracker"); String trackerName = tracker.getName();%><html><title><%= trackerName %> Task Tracker Status</title><body><h1><%= trackerName %> Task Tracker Status</h1><img src="/static/hadoop-logo.jpg"/><br><b>Version:</b> <%= VersionInfo.getVersion()%>, r<%= VersionInfo.getRevision()%><br><b>Compiled:</b> <%= VersionInfo.getDate()%> by <%= VersionInfo.getUser()%><br><h2>Running tasks</h2><center><table border=2 cellpadding="5" cellspacing="2"><tr><td align="center">Task Attempts</td><td>Status</td> <td>Progress</td><td>Errors</td></tr> <% Iterator itr = tracker.getRunningTaskStatuses().iterator(); while (itr.hasNext()) { TaskStatus status = (TaskStatus) itr.next(); out.print("<tr><td>" + status.getTaskId()); out.print("</td><td>" + status.getRunState()); out.print("</td><td>" + StringUtils.formatPercent(status.getProgress(), 2)); out.print("</td><td><pre>" + status.getDiagnosticInfo() + "</pre></td>"); out.print("</tr>\n"); } %></table></center><h2>Local Logs</h2><a href="/logs/">Log</a> directory<hr><a href="http://lucene.apache.org/hadoop">Hadoop</a>, 2006.<br></body></html>⌨️ 快捷键说明
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