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Posted to common-commits@hadoop.apache.org by om...@apache.org on 2011/03/04 05:39:33 UTC
svn commit: r1077642 -
/hadoop/common/branches/branch-0.20-security-patches/src/mapred/mapred-default.xml
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 <ac...@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.