drain.start(); // drain the sink.
b.mark("receiver_started");
final AvroEventSink snk = new AvroEventSink("0.0.0.0",
conf.getCollectorPort());
snk.open();
b.mark("sink_started");
EventUtil.dumpAll(mem, snk);
b.mark("Avro sink to Avro source done");
// MB/s = B/us