fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/resources/topology.xml

<cluster-topology>
	<network-switch name="all">
		<network-switch name="rack1">
			<terminal name="10.0.0.1" />
			<terminal name="10.0.0.5" />
			<terminal name="10.0.0.9" />
			<terminal name="10.0.0.13" />
			<terminal name="10.0.0.17" />
		</network-switch>
		<network-switch name="rack2">
			<terminal name="10.0.0.2" />
			<terminal name="10.0.0.6" />
			<terminal name="10.0.0.10" />
			<terminal name="10.0.0.14" />
			<terminal name="10.0.0.18" />
		</network-switch>
		<network-switch name="rack3">
			<terminal name="10.0.0.3" />
			<terminal name="10.0.0.7" />
			<terminal name="10.0.0.11" />
			<terminal name="10.0.0.15" />
			<terminal name="10.0.0.19" />
		</network-switch>
		<network-switch name="rack4">
			<terminal name="10.0.0.4" />
			<terminal name="10.0.0.8" />
			<terminal name="10.0.0.12" />
			<terminal name="10.0.0.16" />
			<terminal name="10.0.0.20" />
		</network-switch>
	</network-switch>
</cluster-topology>