Trivial Description
http://archive.cloudera.com/cdh/3/flume/UserGuide.html#_logical_configurations
In the section on Flow Isolation, there is an example that assigns fooNode and barNode flows to host1 and host2. It is supposed to assign fooNode2 and barNode2 to host2, but instead, it assigns fooNode1 and barNode1 to both host1 and host2.