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From omal...@apache.org
Subject svn commit: r1077642 - /hadoop/common/branches/branch-0.20-security-patches/src/mapred/mapred-default.xml
Date Fri, 04 Mar 2011 04:39:33 GMT
Author: omalley
Date: Fri Mar  4 04:39:33 2011
New Revision: 1077642

URL: http://svn.apache.org/viewvc?rev=1077642&view=rev
Log:
commit f0edf256f0d3d956dd33e050105905b8be457ece
Author: Arun C Murthy <acmurthy@apache.org>
Date:   Thu Aug 5 09:06:26 2010 -0700

    Added job memory management knobs to mapred-default.xml

Modified:
    hadoop/common/branches/branch-0.20-security-patches/src/mapred/mapred-default.xml

Modified: hadoop/common/branches/branch-0.20-security-patches/src/mapred/mapred-default.xml
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security-patches/src/mapred/mapred-default.xml?rev=1077642&r1=1077641&r2=1077642&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.20-security-patches/src/mapred/mapred-default.xml (original)
+++ hadoop/common/branches/branch-0.20-security-patches/src/mapred/mapred-default.xml Fri
Mar  4 04:39:33 2011
@@ -438,6 +438,79 @@
 </property>
 
 <property>
+  <name>mapred.cluster.map.memory.mb</name>
+  <value>-1</value>
+  <description>The size, in terms of virtual memory, of a single map slot 
+  in the Map-Reduce framework, used by the scheduler. 
+  A job can ask for multiple slots for a single map task via 
+  mapred.job.map.memory.mb, upto the limit specified by 
+  mapred.cluster.max.map.memory.mb, if the scheduler supports the feature. 
+  The value of -1 indicates that this feature is turned off.
+  </description>
+</property>
+
+<property>
+  <name>mapred.cluster.reduce.memory.mb</name>
+  <value>-1</value>
+  <description>The size, in terms of virtual memory, of a single reduce slot 
+  in the Map-Reduce framework, used by the scheduler. 
+  A job can ask for multiple slots for a single reduce task via 
+  mapred.job.reduce.memory.mb, upto the limit specified by 
+  mapred.cluster.max.reduce.memory.mb, if the scheduler supports the feature. 
+  The value of -1 indicates that this feature is turned off.
+  </description>
+</property>
+
+<property>
+  <name>mapred.cluster.max.map.memory.mb</name>
+  <value>-1</value>
+  <description>The maximum size, in terms of virtual memory, of a single map 
+  task launched by the Map-Reduce framework, used by the scheduler. 
+  A job can ask for multiple slots for a single map task via 
+  mapred.job.map.memory.mb, upto the limit specified by 
+  mapred.cluster.max.map.memory.mb, if the scheduler supports the feature. 
+  The value of -1 indicates that this feature is turned off.
+  </description>
+</property>
+
+<property>
+  <name>mapred.cluster.max.reduce.memory.mb</name>
+  <value>-1</value>
+  <description>The maximum size, in terms of virtual memory, of a single reduce 
+  task launched by the Map-Reduce framework, used by the scheduler. 
+  A job can ask for multiple slots for a single reduce task via 
+  mapred.job.reduce.memory.mb, upto the limit specified by 
+  mapred.cluster.max.reduce.memory.mb, if the scheduler supports the feature. 
+  The value of -1 indicates that this feature is turned off.
+  </description>
+</property>
+
+<property>
+  <name>mapred.job.map.memory.mb</name>
+  <value>-1</value>
+  <description>The size, in terms of virtual memory, of a single map task 
+  for the job.
+  A job can ask for multiple slots for a single map task, rounded up to the 
+  next multiple of mapred.cluster.map.memory.mb and upto the limit 
+  specified by mapred.cluster.max.map.memory.mb, if the scheduler supports 
+  the feature. 
+  The value of -1 indicates that this feature is turned off.
+  </description>
+</property>
+
+<property>
+  <name>mapred.job.reduce.memory.mb</name>
+  <value>-1</value>
+  <description>The size, in terms of virtual memory, of a single reduce task 
+  for the job.
+  A job can ask for multiple slots for a single map task, rounded up to the 
+  next multiple of mapred.cluster.reduce.memory.mb and upto the limit 
+  specified by mapred.cluster.max.reduce.memory.mb, if the scheduler supports 
+  the feature. 
+  The value of -1 indicates that this feature is turned off.  </description>
+</property>
+
+<property>
   <name>mapred.child.tmp</name>
   <value>./tmp</value>
   <description> To set the value of tmp directory for map and reduce tasks.



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