I am thinking of commenting out the following in the default
slider-client.xml. We have added support for setting JAVA_HOME and
HADOOP_CONF_DIR and so when the later is not set then users are expected to
uncomment this.
Do you think there are tests that will get affected by it?
<!--
<property>
<name>yarn.application.classpath</name>
<value>/etc/hadoop/conf,/usr/lib/hadoop/*,/usr/lib/hadoop/lib/*,/usr/lib/hadoop-hdfs/*,/usr/lib/hadoop-hdfs/lib/*,/usr/lib/hadoop-yarn/*,/usr/lib/hadoop-yarn/lib/*,/usr/lib/hadoop-mapreduce/*,/usr/lib/hadoop-mapreduce/lib/*</value>
</property>
<property>
<name>yarn.resourcemanager.address</name>
<value>@RM-ADDR</value>
</property>
<property>
<name>yarn.resourcemanager.scheduler.address</name>
<value>@RM-SCHEDULER-ADDR</value>
</property>
<property>
<name>fs.defaultFS</name>
<value>@FILESYSTEM</value>
</property>
-->
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