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Posted to common-commits@hadoop.apache.org by ac...@apache.org on 2008/05/20 01:09:41 UTC
svn commit: r658035 - in /hadoop/core/trunk: CHANGES.txt
src/java/org/apache/hadoop/mapred/TaskTracker.java
src/webapps/task/tasktracker.jsp
Author: acmurthy
Date: Mon May 19 16:09:41 2008
New Revision: 658035
URL: http://svn.apache.org/viewvc?rev=658035&view=rev
Log:
Ensure that the TaskTracker.runningJobs data-structure is correctly cleaned-up on task completion. Contributed by Zheng Shao.
Modified:
hadoop/core/trunk/CHANGES.txt
hadoop/core/trunk/src/java/org/apache/hadoop/mapred/TaskTracker.java
hadoop/core/trunk/src/webapps/task/tasktracker.jsp
Modified: hadoop/core/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/CHANGES.txt?rev=658035&r1=658034&r2=658035&view=diff
==============================================================================
--- hadoop/core/trunk/CHANGES.txt (original)
+++ hadoop/core/trunk/CHANGES.txt Mon May 19 16:09:41 2008
@@ -291,6 +291,9 @@
hierarchy. This also adds a new counter to track cache hits at levels
greater than two. (Amar Kamat via cdouglas)
+ HADOOP-3370. Ensure that the TaskTracker.runningJobs data-structure is
+ correctly cleaned-up on task completion. (Zheng Shao via acmurthy)
+
Release 0.17.0 - 2008-05-18
INCOMPATIBLE CHANGES
Modified: hadoop/core/trunk/src/java/org/apache/hadoop/mapred/TaskTracker.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/java/org/apache/hadoop/mapred/TaskTracker.java?rev=658035&r1=658034&r2=658035&view=diff
==============================================================================
--- hadoop/core/trunk/src/java/org/apache/hadoop/mapred/TaskTracker.java (original)
+++ hadoop/core/trunk/src/java/org/apache/hadoop/mapred/TaskTracker.java Mon May 19 16:09:41 2008
@@ -352,9 +352,6 @@
} else {
synchronized (rjob) {
rjob.tasks.remove(tip);
- if (rjob.tasks.isEmpty()) {
- runningJobs.remove(jobId);
- }
}
}
}
@@ -1725,6 +1722,7 @@
//
if (needCleanup) {
try {
+ removeTaskFromJob(task.getJobID(), this);
cleanup();
} catch (IOException ie) {
}
@@ -2206,6 +2204,24 @@
return result;
}
+
+ /**
+ * Get the list of tasks from running jobs on this task tracker.
+ * @return a copy of the list of TaskStatus objects
+ */
+ synchronized List<TaskStatus> getTasksFromRunningJobs() {
+ List<TaskStatus> result = new ArrayList<TaskStatus>(tasks.size());
+ for (Map.Entry <JobID, RunningJob> item : runningJobs.entrySet()) {
+ RunningJob rjob = item.getValue();
+ synchronized (rjob) {
+ for (TaskInProgress tip : rjob.tasks) {
+ result.add(tip.getStatus());
+ }
+ }
+ }
+ return result;
+ }
+
/**
* Get the default job conf for this tracker.
*/
Modified: hadoop/core/trunk/src/webapps/task/tasktracker.jsp
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/webapps/task/tasktracker.jsp?rev=658035&r1=658034&r2=658035&view=diff
==============================================================================
--- hadoop/core/trunk/src/webapps/task/tasktracker.jsp (original)
+++ hadoop/core/trunk/src/webapps/task/tasktracker.jsp Mon May 19 16:09:41 2008
@@ -57,6 +57,29 @@
%>
</table>
+
+<h2>Tasks from Running Jobs</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>
+
+ <%
+ itr = tracker.getTasksFromRunningJobs().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