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Posted to common-commits@hadoop.apache.org by cu...@apache.org on 2007/05/03 21:42:21 UTC

svn commit: r534973 - in /lucene/hadoop/trunk: CHANGES.txt src/java/org/apache/hadoop/mapred/JobInProgress.java

Author: cutting
Date: Thu May  3 12:42:20 2007
New Revision: 534973

URL: http://svn.apache.org/viewvc?view=rev&rev=534973
Log:
Fix TaskTracker blacklisting to work correctly in one- and two-node clusters.  Contributed by Arun.

Modified:
    lucene/hadoop/trunk/CHANGES.txt
    lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobInProgress.java

Modified: lucene/hadoop/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/CHANGES.txt?view=diff&rev=534973&r1=534972&r2=534973
==============================================================================
--- lucene/hadoop/trunk/CHANGES.txt (original)
+++ lucene/hadoop/trunk/CHANGES.txt Thu May  3 12:42:20 2007
@@ -322,6 +322,9 @@
 95. HADOOP-485.  Allow a different comparator for grouping keys in
     calls to reduce.  (Tahir Hashmi via cutting)
 
+96. HADOOP-1322.  Fix TaskTracker blacklisting to work correctly in
+    one- and two-node clusters.  (Arun C Murthy via cutting)
+
 
 Release 0.12.3 - 2007-04-06
 

Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobInProgress.java
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobInProgress.java?view=diff&rev=534973&r1=534972&r2=534973
==============================================================================
--- lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobInProgress.java (original)
+++ lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobInProgress.java Thu May  3 12:42:20 2007
@@ -594,7 +594,8 @@
     // tasktracker prior to assigning it a new one.
     //
     int taskTrackerFailedTasks = getTrackerTaskFailures(taskTracker);
-    if (taskTrackerFailedTasks >= conf.getMaxTaskFailuresPerTracker()) {
+    if ((flakyTaskTrackers < (clusterSize * CLUSTER_BLACKLIST_PERCENT)) && 
+        taskTrackerFailedTasks >= conf.getMaxTaskFailuresPerTracker()) {
       if (LOG.isDebugEnabled()) {
         String flakyTracker = convertTrackerNameToHostName(taskTracker); 
         LOG.debug("Ignoring the black-listed tasktracker: '" + flakyTracker