virajjasani commented on code in PR #3786:
URL: https://github.com/apache/ambari/pull/3786#discussion_r1727411192
##########
ambari-server/src/main/resources/stacks/BIGTOP/3.2.0/services/YARN/configuration/yarn-env.xml:
##########
@@ -121,138 +139,232 @@
<name>yarn_user_nproc_limit</name>
<value>65536</value>
<description>Max number of processes limit setting for YARN
user.</description>
- <on-ambari-upgrade add="true"/>
+ <on-ambari-upgrade add="false"/>
+ </property>
+
+ <!-- These properties were inherited from HDP 2.1 -->
+ <property>
+ <name>apptimelineserver_heapsize</name>
+ <value>1024</value>
+ <display-name>AppTimelineServer Java heap size</display-name>
+ <description>Max heapsize for AppTimelineServer using a numerical value in
the scale of MB</description>
+ <value-attributes>
+ <overridable>false</overridable>
+ <unit>MB</unit>
+ <type>int</type>
+ </value-attributes>
+ <on-ambari-upgrade add="false"/>
+ </property>
+
+ <!-- These properties were inherited from HDP 2.2 -->
+ <property>
+ <name>yarn_cgroups_enabled</name>
+ <value>false</value>
+ <description>You can use CGroups to isolate CPU-heavy processes in a
Hadoop cluster.</description>
+ <display-name>CPU Scheduling and Isolation</display-name>
+ <value-attributes>
+ <type>value-list</type>
+ <entries>
+ <entry>
+ <value>true</value>
+ <label>Enabled</label>
+ </entry>
+ <entry>
+ <value>false</value>
+ <label>Disabled</label>
+ </entry>
+ </entries>
+ <selection-cardinality>1</selection-cardinality>
+ </value-attributes>
+ <depends-on>
+ <property>
+ <type>container-executor</type>
+ <name>gpu_module_enabled</name>
+ </property>
+ </depends-on>
+ <on-ambari-upgrade add="false"/>
</property>
+
+ <property>
+ <name>registry.dns.bind-port</name>
+ <display-name>RegistryDNS Bind Port</display-name>
+ <value>53</value>
+ <description>
+ The port number for the DNS listener. The default port is 53.
+ </description>
+ <on-ambari-upgrade add="false"/>
+ </property>
+
<!-- yarn-env.sh -->
<property>
<name>content</name>
<display-name>yarn-env template</display-name>
<description>This is the jinja template for yarn-env.sh file</description>
<value>
-export HADOOP_YARN_HOME={{hadoop_yarn_home}}
-USER="$(whoami)"
-export HADOOP_LOG_DIR={{yarn_log_dir_prefix}}/$USER
-export HADOOP_PID_DIR={{yarn_pid_dir_prefix}}/$USER
-export HADOOP_LIBEXEC_DIR={{hadoop_libexec_dir}}
-export JAVA_HOME={{java64_home}}
-export JAVA_LIBRARY_PATH="${JAVA_LIBRARY_PATH}:{{hadoop_java_io_tmpdir}}"
+ export HADOOP_YARN_HOME={{hadoop_yarn_home}}
+ USER="$(whoami)"
+ export HADOOP_LOG_DIR={{yarn_log_dir_prefix}}/$USER
+ export HADOOP_PID_DIR={{yarn_pid_dir_prefix}}/$USER
+ export HADOOP_SECURE_LOG_DIR={{yarn_log_dir_prefix}}/$USER
+ export HADOOP_SECURE_PID_DIR={{yarn_pid_dir_prefix}}/$USER
+ export HADOOP_LIBEXEC_DIR={{hadoop_libexec_dir}}
+ export JAVA_HOME={{java64_home}}
+ export JAVA_LIBRARY_PATH="${JAVA_LIBRARY_PATH}:{{hadoop_java_io_tmpdir}}"
+
+ # We need to add the EWMA and RFA appender for the yarn daemons only;
+ # however, HADOOP_ROOT_LOGGER is shared by the yarn client and the
+ # daemons. This is restrict the EWMA appender to daemons only.
+ export HADOOP_LOGLEVEL=${HADOOP_LOGLEVEL:-INFO}
+ export HADOOP_ROOT_LOGGER=${HADOOP_ROOT_LOGGER:-INFO,console}
+ export
HADOOP_DAEMON_ROOT_LOGGER=${HADOOP_DAEMON_ROOT_LOGGER:-${HADOOP_LOGLEVEL},EWMA,RFA}
+
+ # User for YARN daemons
+ export HADOOP_YARN_USER=${HADOOP_YARN_USER:-yarn}
+ # resolve links - $0 may be a softlink
+ export HADOOP_CONF_DIR="${HADOOP_CONF_DIR:-$HADOOP_YARN_HOME/etc/hadoop}"
+ # some Java parameters
+ # export JAVA_HOME=/home/y/libexec/jdk1.6.0/
+ if [ "$JAVA_HOME" != "" ]; then
+ #echo "run java in $JAVA_HOME"
+ JAVA_HOME=$JAVA_HOME
+ fi
-# User for YARN daemons
-export HADOOP_YARN_USER=${HADOOP_YARN_USER:-yarn}
+ if [ "$JAVA_HOME" = "" ]; then
+ echo "Error: JAVA_HOME is not set."
+ exit 1
+ fi
-# resolve links - $0 may be a softlink
-export HADOOP_CONF_DIR="${HADOOP_CONF_DIR:-$HADOOP_YARN_HOME/etc/hadoop}"
+ JAVA=$JAVA_HOME/bin/java
+ JAVA_HEAP_MAX=-Xmx1000m
Review Comment:
If XmX1000m has been default, its fine.
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