I have set "yarn.nodemanager.delete.debug-delay-sec" to 6000,and the container log dir is :   <property> <name>yarn.nodemanager.log-dirs</name> <value>/hadoop/hadoop-2.0.0-cdh4.5.0/yarn/containers</value> </property> <property> <description>Where to aggregate logs</description> <name>yarn.nodemanager.remote-app-log-dir</name> <value>/var/log/hadoop-yarn/app</value> </property>   The dir /hadoop/hadoop-2.0.0-cdh4.5.0/yarn/containers has nothing after  running  the task,I found the configruation in yarn-site.xml never take effect. ... View more