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From acmur...@apache.org
Subject svn commit: r1152960 - in /hadoop/common/branches/branch-0.20-security: CHANGES.txt src/mapred/org/apache/hadoop/mapred/JobInProgress.java
Date Mon, 01 Aug 2011 22:49:10 GMT
Author: acmurthy
Date: Mon Aug  1 22:49:09 2011
New Revision: 1152960

URL: http://svn.apache.org/viewvc?rev=1152960&view=rev
Log:
MAPREDUCE-2324. Removed usage of broken ResourceEstimator.getEstimatedReduceInputSize to check
against usable disk-space on TaskTracker. Contributed by Robert Evans.                   
          

Modified:
    hadoop/common/branches/branch-0.20-security/CHANGES.txt
    hadoop/common/branches/branch-0.20-security/src/mapred/org/apache/hadoop/mapred/JobInProgress.java

Modified: hadoop/common/branches/branch-0.20-security/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security/CHANGES.txt?rev=1152960&r1=1152959&r2=1152960&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.20-security/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.20-security/CHANGES.txt Mon Aug  1 22:49:09 2011
@@ -51,6 +51,10 @@ Release 0.20.204.0 - unreleased
 
   BUG FIXES
 
+    MAPREDUCE-2324. Removed usage of broken
+    ResourceEstimator.getEstimatedReduceInputSize to check against usable
+    disk-space on TaskTracker. (Robert Evans via acmurthy) 
+
     MAPREDUCE-2621. TestCapacityScheduler fails with "Queue "q1" does not exist".
     (Sherry Chen via mahadev)
 

Modified: hadoop/common/branches/branch-0.20-security/src/mapred/org/apache/hadoop/mapred/JobInProgress.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security/src/mapred/org/apache/hadoop/mapred/JobInProgress.java?rev=1152960&r1=1152959&r2=1152960&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.20-security/src/mapred/org/apache/hadoop/mapred/JobInProgress.java
(original)
+++ hadoop/common/branches/branch-0.20-security/src/mapred/org/apache/hadoop/mapred/JobInProgress.java
Mon Aug  1 22:49:09 2011
@@ -2438,16 +2438,6 @@ public class JobInProgress {
       return -1;
     }
 
-    long outSize = resourceEstimator.getEstimatedReduceInputSize();
-    long availSpace = tts.getResourceStatus().getAvailableSpace();
-    if(availSpace < outSize) {
-      LOG.warn("No room for reduce task. Node " + taskTracker + " has " +
-                availSpace + 
-               " bytes free; but we expect reduce input to take " + outSize);
-
-      return -1; //see if a different TIP might work better. 
-    }
-    
     // 1. check for a never-executed reduce tip
     // reducers don't have a cache and so pass -1 to explicitly call that out
     tip = findTaskFromList(nonRunningReduces, tts, numUniqueHosts, false);



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