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From tgra...@apache.org
Subject svn commit: r1332196 - in /hadoop/common/trunk/hadoop-mapreduce-project: CHANGES.txt hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
Date Mon, 30 Apr 2012 13:43:09 GMT
Author: tgraves
Date: Mon Apr 30 13:43:09 2012
New Revision: 1332196

URL: http://svn.apache.org/viewvc?rev=1332196&view=rev
Log:
MAPREDUCE-3883. Document yarn.nodemanager.delete.debug-delay-sec configuration property (Eugene
Koontz via tgraves)

Modified:
    hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
    hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml

Modified: hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt?rev=1332196&r1=1332195&r2=1332196&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt Mon Apr 30 13:43:09 2012
@@ -157,6 +157,9 @@ Release 2.0.0 - UNRELEASED
     MAPREDUCE-4138. Reduce memory usage of counters due to non-static nested
     classes. (tomwhite)
 
+    MAPREDUCE-3883. Document yarn.nodemanager.delete.debug-delay-sec 
+    configuration property (Eugene Koontz via tgraves)
+
   OPTIMIZATIONS
 
   BUG FIXES

Modified: hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml?rev=1332196&r1=1332195&r2=1332196&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
(original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
Mon Apr 30 13:43:09 2012
@@ -278,6 +278,26 @@
   </property>
 
   <property>
+    <description>
+      Number of seconds after an application finishes before the nodemanager's 
+      DeletionService will delete the application's localized file directory
+      and log directory.
+      
+      To diagnose Yarn application problems, set this property's value large
+      enough (for example, to 600 = 10 minutes) to permit examination of these
+      directories. After changing the property's value, you must restart the 
+      nodemanager in order for it to have an effect.
+
+      The roots of Yarn applications' work directories is configurable with
+      the yarn.nodemanager.local-dirs property (see below), and the roots
+      of the Yarn applications' log directories is configurable with the 
+      yarn.nodemanager.log-dirs property (see also below).
+    </description>
+    <name>yarn.nodemanager.delete.debug-delay-sec</name>
+    <value>0</value>
+  </property>
+
+  <property>
     <description>Heartbeat interval to RM</description>
     <name>yarn.nodemanager.heartbeat.interval-ms</name>
     <value>1000</value>
@@ -290,7 +310,12 @@
   </property>
 
   <property>
-    <description>List of directories to store localized files in.</description>
+    <description>List of directories to store localized files in. An 
+      application's localized file directory will be found in:
+      ${yarn.nodemanager.local-dirs}/usercache/${user}/appcache/application_${appid}.
+      Individual containers' work directories, called container_${contid}, will
+      be subdirectories of this.
+   </description>
     <name>yarn.nodemanager.local-dirs</name>
     <value>/tmp/nm-local-dir</value>
   </property>
@@ -326,7 +351,13 @@
   </property>
 
   <property>
-    <description>Where to store container logs.</description>
+    <description>
+      Where to store container logs. An application's localized log directory 
+      will be found in ${yarn.nodemanager.log-dirs}/application_${appid}.
+      Individual containers' log directories will be below this, in directories 
+      named container_{$contid}. Each container directory will contain the files
+      stderr, stdin, and syslog generated by that container.
+    </description>
     <name>yarn.nodemanager.log-dirs</name>
     <value>/tmp/logs</value>
   </property>



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