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Posted to mapreduce-commits@hadoop.apache.org by to...@apache.org on 2011/01/20 01:03:11 UTC
svn commit: r1061068 - in /hadoop/mapreduce/trunk: CHANGES.txt
src/java/org/apache/hadoop/mapred/TaskRunner.java
Author: todd
Date: Thu Jan 20 00:03:11 2011
New Revision: 1061068
URL: http://svn.apache.org/viewvc?rev=1061068&view=rev
Log:
MAPREDUCE-1085. For tasks, "ulimit -v -1" is being run when user doesn't specify a ulimit. Contributed by Todd Lipcon
Modified:
hadoop/mapreduce/trunk/CHANGES.txt
hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/TaskRunner.java
Modified: hadoop/mapreduce/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/mapreduce/trunk/CHANGES.txt?rev=1061068&r1=1061067&r2=1061068&view=diff
==============================================================================
--- hadoop/mapreduce/trunk/CHANGES.txt (original)
+++ hadoop/mapreduce/trunk/CHANGES.txt Thu Jan 20 00:03:11 2011
@@ -476,6 +476,9 @@ Release 0.22.0 - Unreleased
MAPREDUCE-2248. DistributedRaidFileSystem should unraid only the corrupt
block (Ramkumar Vadali via schen)
+ MAPREDUCE-1085. For tasks, "ulimit -v -1" is being run when user doesn't
+ specify a ulimit (todd)
+
Release 0.21.1 - Unreleased
NEW FEATURES
Modified: hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/TaskRunner.java
URL: http://svn.apache.org/viewvc/hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/TaskRunner.java?rev=1061068&r1=1061067&r2=1061068&view=diff
==============================================================================
--- hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/TaskRunner.java (original)
+++ hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/TaskRunner.java Thu Jan 20 00:03:11 2011
@@ -313,8 +313,13 @@ abstract class TaskRunner extends Thread
* @return
*/
private List<String> getVMSetupCmd() {
- String[] ulimitCmd = Shell.getUlimitMemoryCommand(getChildUlimit(conf));
+
+ int ulimit = getChildUlimit(conf);
+ if (ulimit <= 0) {
+ return null;
+ }
List<String> setup = null;
+ String[] ulimitCmd = Shell.getUlimitMemoryCommand(ulimit);
if (ulimitCmd != null) {
setup = new ArrayList<String>();
for (String arg : ulimitCmd) {