JoinOperator matcher = JoinOperator.builder(new SimpleMatcher(), IntValue.class, 0, 0)
.input1(source1)
.input2(source2)
.name("Sort Join")
.build();
GenericDataSink sink = new GenericDataSink(new DiscardingOutputFormat(), matcher, "Sink");
Plan p = new Plan(sink);
p.setDefaultParallelism(64);
runAndCancelJob(p, 3000, 20*1000);