demos/r/src/main/resources/META-INF/properties.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<configuration>
<!--properties for R demo  -->
  <property>
        <name>dt.application.OldFaithfulApplication.class</name>
        <value>com.datatorrent.demos.r.oldfaithful.OldFaithfulApplication</value>
        <description>An alias for OldFaithful application</description>
  </property>

  <property>
        <name>dt.application.OldFaithfulApplication.operator.*.attr.MEMORY_MB</name>
        <value>1024</value>
  </property>
  
<!-- Need this to information for loading native libraries -->
  <property>
      <name>dt.attr.CONTAINER_JVM_OPTIONS</name>
      <value>-Djava.library.path=/usr/local/lib/R/site-library/rJava/jri/</value>
  </property>

</configuration>