use of org.apache.flink.optimizer.plan.SingleInputPlanNode in project flink by apache.
the class ReduceCompilationTest method testGroupedReduceWithFieldPositionKey.
@Test
public void testGroupedReduceWithFieldPositionKey() {
try {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
env.setParallelism(8);
DataSet<Tuple2<String, Double>> data = env.readCsvFile("file:///will/never/be/read").types(String.class, Double.class).name("source").setParallelism(6);
data.groupBy(1).reduce(new RichReduceFunction<Tuple2<String, Double>>() {
@Override
public Tuple2<String, Double> reduce(Tuple2<String, Double> value1, Tuple2<String, Double> value2) {
return null;
}
}).name("reducer").output(new DiscardingOutputFormat<Tuple2<String, Double>>()).name("sink");
Plan p = env.createProgramPlan();
OptimizedPlan op = compileNoStats(p);
OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(op);
// get the original nodes
SourcePlanNode sourceNode = resolver.getNode("source");
SingleInputPlanNode reduceNode = resolver.getNode("reducer");
SinkPlanNode sinkNode = resolver.getNode("sink");
// get the combiner
SingleInputPlanNode combineNode = (SingleInputPlanNode) reduceNode.getInput().getSource();
// check wiring
assertEquals(sourceNode, combineNode.getInput().getSource());
assertEquals(reduceNode, sinkNode.getInput().getSource());
// check the strategies
assertEquals(DriverStrategy.SORTED_REDUCE, reduceNode.getDriverStrategy());
assertEquals(DriverStrategy.SORTED_PARTIAL_REDUCE, combineNode.getDriverStrategy());
// check the keys
assertEquals(new FieldList(1), reduceNode.getKeys(0));
assertEquals(new FieldList(1), combineNode.getKeys(0));
assertEquals(new FieldList(1), reduceNode.getInput().getLocalStrategyKeys());
// check parallelism
assertEquals(6, sourceNode.getParallelism());
assertEquals(6, combineNode.getParallelism());
assertEquals(8, reduceNode.getParallelism());
assertEquals(8, sinkNode.getParallelism());
} catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
fail(e.getClass().getSimpleName() + " in test: " + e.getMessage());
}
}
use of org.apache.flink.optimizer.plan.SingleInputPlanNode in project flink by apache.
the class ReduceCompilationTest method testAllReduceNoCombiner.
@Test
public void testAllReduceNoCombiner() {
try {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
env.setParallelism(8);
DataSet<Double> data = env.fromElements(0.2, 0.3, 0.4, 0.5).name("source");
data.reduce(new RichReduceFunction<Double>() {
@Override
public Double reduce(Double value1, Double value2) {
return value1 + value2;
}
}).name("reducer").output(new DiscardingOutputFormat<Double>()).name("sink");
Plan p = env.createProgramPlan();
OptimizedPlan op = compileNoStats(p);
OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(op);
// the all-reduce has no combiner, when the parallelism of the input is one
SourcePlanNode sourceNode = resolver.getNode("source");
SingleInputPlanNode reduceNode = resolver.getNode("reducer");
SinkPlanNode sinkNode = resolver.getNode("sink");
// check wiring
assertEquals(sourceNode, reduceNode.getInput().getSource());
assertEquals(reduceNode, sinkNode.getInput().getSource());
// check parallelism
assertEquals(1, sourceNode.getParallelism());
assertEquals(1, reduceNode.getParallelism());
assertEquals(1, sinkNode.getParallelism());
} catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
fail(e.getClass().getSimpleName() + " in test: " + e.getMessage());
}
}
use of org.apache.flink.optimizer.plan.SingleInputPlanNode in project flink by apache.
the class ReduceCompilationTest method testGroupedReduceWithHint.
@Test
public void testGroupedReduceWithHint() {
try {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
env.setParallelism(8);
DataSet<Tuple2<String, Double>> data = env.readCsvFile("file:///will/never/be/read").types(String.class, Double.class).name("source").setParallelism(6);
data.groupBy(new KeySelector<Tuple2<String, Double>, String>() {
public String getKey(Tuple2<String, Double> value) {
return value.f0;
}
}).reduce(new RichReduceFunction<Tuple2<String, Double>>() {
@Override
public Tuple2<String, Double> reduce(Tuple2<String, Double> value1, Tuple2<String, Double> value2) {
return null;
}
}).setCombineHint(CombineHint.HASH).name("reducer").output(new DiscardingOutputFormat<Tuple2<String, Double>>()).name("sink");
Plan p = env.createProgramPlan();
OptimizedPlan op = compileNoStats(p);
OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(op);
// get the original nodes
SourcePlanNode sourceNode = resolver.getNode("source");
SingleInputPlanNode reduceNode = resolver.getNode("reducer");
SinkPlanNode sinkNode = resolver.getNode("sink");
// get the combiner
SingleInputPlanNode combineNode = (SingleInputPlanNode) reduceNode.getInput().getSource();
// get the key extractors and projectors
SingleInputPlanNode keyExtractor = (SingleInputPlanNode) combineNode.getInput().getSource();
SingleInputPlanNode keyProjector = (SingleInputPlanNode) sinkNode.getInput().getSource();
// check wiring
assertEquals(sourceNode, keyExtractor.getInput().getSource());
assertEquals(keyProjector, sinkNode.getInput().getSource());
// check the strategies
assertEquals(DriverStrategy.SORTED_REDUCE, reduceNode.getDriverStrategy());
assertEquals(DriverStrategy.HASHED_PARTIAL_REDUCE, combineNode.getDriverStrategy());
// check the keys
assertEquals(new FieldList(0), reduceNode.getKeys(0));
assertEquals(new FieldList(0), combineNode.getKeys(0));
assertEquals(new FieldList(0), reduceNode.getInput().getLocalStrategyKeys());
// check parallelism
assertEquals(6, sourceNode.getParallelism());
assertEquals(6, keyExtractor.getParallelism());
assertEquals(6, combineNode.getParallelism());
assertEquals(8, reduceNode.getParallelism());
assertEquals(8, keyProjector.getParallelism());
assertEquals(8, sinkNode.getParallelism());
} catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
fail(e.getClass().getSimpleName() + " in test: " + e.getMessage());
}
}
use of org.apache.flink.optimizer.plan.SingleInputPlanNode in project flink by apache.
the class WorksetIterationsJavaApiCompilerTest method testJavaApiWithDeferredSoltionSetUpdateWithMapper.
@Test
public void testJavaApiWithDeferredSoltionSetUpdateWithMapper() {
try {
Plan plan = getJavaTestPlan(false, true);
OptimizedPlan oPlan = compileNoStats(plan);
OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(oPlan);
DualInputPlanNode joinWithInvariantNode = resolver.getNode(JOIN_WITH_INVARIANT_NAME);
DualInputPlanNode joinWithSolutionSetNode = resolver.getNode(JOIN_WITH_SOLUTION_SET);
SingleInputPlanNode worksetReducer = resolver.getNode(NEXT_WORKSET_REDUCER_NAME);
SingleInputPlanNode deltaMapper = resolver.getNode(SOLUTION_DELTA_MAPPER_NAME);
// iteration preserves partitioning in reducer, so the first partitioning is out of the loop,
// the in-loop partitioning is before the final reducer
// verify joinWithInvariant
assertEquals(ShipStrategyType.FORWARD, joinWithInvariantNode.getInput1().getShipStrategy());
assertEquals(ShipStrategyType.PARTITION_HASH, joinWithInvariantNode.getInput2().getShipStrategy());
assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput1());
assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput2());
// verify joinWithSolutionSet
assertEquals(ShipStrategyType.PARTITION_HASH, joinWithSolutionSetNode.getInput1().getShipStrategy());
assertEquals(ShipStrategyType.FORWARD, joinWithSolutionSetNode.getInput2().getShipStrategy());
assertEquals(new FieldList(1, 0), joinWithSolutionSetNode.getKeysForInput1());
// verify reducer
assertEquals(ShipStrategyType.PARTITION_HASH, worksetReducer.getInput().getShipStrategy());
assertEquals(new FieldList(1, 2), worksetReducer.getKeys(0));
// currently, the system may partition before or after the mapper
ShipStrategyType ss1 = deltaMapper.getInput().getShipStrategy();
ShipStrategyType ss2 = deltaMapper.getOutgoingChannels().get(0).getShipStrategy();
assertTrue((ss1 == ShipStrategyType.FORWARD && ss2 == ShipStrategyType.PARTITION_HASH) || (ss2 == ShipStrategyType.FORWARD && ss1 == ShipStrategyType.PARTITION_HASH));
new JobGraphGenerator().compileJobGraph(oPlan);
} catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
fail("Test errored: " + e.getMessage());
}
}
use of org.apache.flink.optimizer.plan.SingleInputPlanNode in project flink by apache.
the class WorksetIterationsJavaApiCompilerTest method testJavaApiWithDirectSoltionSetUpdate.
@Test
public void testJavaApiWithDirectSoltionSetUpdate() {
try {
Plan plan = getJavaTestPlan(true, false);
OptimizedPlan oPlan = compileNoStats(plan);
OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(oPlan);
DualInputPlanNode joinWithInvariantNode = resolver.getNode(JOIN_WITH_INVARIANT_NAME);
DualInputPlanNode joinWithSolutionSetNode = resolver.getNode(JOIN_WITH_SOLUTION_SET);
SingleInputPlanNode worksetReducer = resolver.getNode(NEXT_WORKSET_REDUCER_NAME);
// iteration preserves partitioning in reducer, so the first partitioning is out of the loop,
// the in-loop partitioning is before the final reducer
// verify joinWithInvariant
assertEquals(ShipStrategyType.FORWARD, joinWithInvariantNode.getInput1().getShipStrategy());
assertEquals(ShipStrategyType.PARTITION_HASH, joinWithInvariantNode.getInput2().getShipStrategy());
assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput1());
assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput2());
// verify joinWithSolutionSet
assertEquals(ShipStrategyType.PARTITION_HASH, joinWithSolutionSetNode.getInput1().getShipStrategy());
assertEquals(ShipStrategyType.FORWARD, joinWithSolutionSetNode.getInput2().getShipStrategy());
assertEquals(new FieldList(1, 0), joinWithSolutionSetNode.getKeysForInput1());
// verify reducer
assertEquals(ShipStrategyType.FORWARD, worksetReducer.getInput().getShipStrategy());
assertEquals(new FieldList(1, 2), worksetReducer.getKeys(0));
// verify solution delta
assertEquals(1, joinWithSolutionSetNode.getOutgoingChannels().size());
assertEquals(ShipStrategyType.FORWARD, joinWithSolutionSetNode.getOutgoingChannels().get(0).getShipStrategy());
new JobGraphGenerator().compileJobGraph(oPlan);
} catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
fail("Test errored: " + e.getMessage());
}
}
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