Examples with SourcePlanNode org.apache.flink.optimizer.plan.SourcePlanNode used on opensource projects

Example 36 with SourcePlanNode

use of org.apache.flink.optimizer.plan.SourcePlanNode in project flink by apache.

the class PartitionOperatorTest method testRangePartitionOperatorPreservesFields.

@Test
public void testRangePartitionOperatorPreservesFields() {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        DataSet<Tuple2<Long, Long>> data = env.fromCollection(Collections.singleton(new Tuple2<>(0L, 0L)));
        data.partitionByRange(1).groupBy(1).reduceGroup(new IdentityGroupReducerCombinable<Tuple2<Long, Long>>()).output(new DiscardingOutputFormat<Tuple2<Long, Long>>());
        Plan p = env.createProgramPlan();
        OptimizedPlan op = compileNoStats(p);
        SinkPlanNode sink = op.getDataSinks().iterator().next();
        SingleInputPlanNode reducer = (SingleInputPlanNode) sink.getInput().getSource();
        SingleInputPlanNode partitionNode = (SingleInputPlanNode) reducer.getInput().getSource();
        SingleInputPlanNode partitionIDRemover = (SingleInputPlanNode) partitionNode.getInput().getSource();
        assertEquals(ShipStrategyType.FORWARD, reducer.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, partitionNode.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.PARTITION_CUSTOM, partitionIDRemover.getInput().getShipStrategy());
        SourcePlanNode sourcePlanNode = op.getDataSources().iterator().next();
        List<Channel> sourceOutgoingChannels = sourcePlanNode.getOutgoingChannels();
        assertEquals(2, sourceOutgoingChannels.size());
        assertEquals(ShipStrategyType.FORWARD, sourceOutgoingChannels.get(0).getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, sourceOutgoingChannels.get(1).getShipStrategy());
        assertEquals(DataExchangeMode.PIPELINED, sourceOutgoingChannels.get(0).getDataExchangeMode());
        assertEquals(DataExchangeMode.BATCH, sourceOutgoingChannels.get(1).getDataExchangeMode());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 37 with SourcePlanNode

use of org.apache.flink.optimizer.plan.SourcePlanNode in project flink by apache.

the class GroupReduceCompilationTest method testAllReduceWithCombiner.

@Test
public void testAllReduceWithCombiner() {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        env.setParallelism(8);
        DataSet<Long> data = env.generateSequence(1, 8000000).name("source");
        GroupReduceOperator<Long, Long> reduced = data.reduceGroup(new CombineReducer2()).name("reducer");
        reduced.setCombinable(true);
        reduced.output(new DiscardingOutputFormat<Long>()).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 that both reduce and combiner have the same strategy
        assertEquals(DriverStrategy.ALL_GROUP_REDUCE, reduceNode.getDriverStrategy());
        assertEquals(DriverStrategy.ALL_GROUP_REDUCE_COMBINE, combineNode.getDriverStrategy());
        // check parallelism
        assertEquals(8, sourceNode.getParallelism());
        assertEquals(8, combineNode.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());
    }
}

Example 38 with SourcePlanNode

use of org.apache.flink.optimizer.plan.SourcePlanNode in project flink by apache.

the class GroupReduceCompilationTest method testGroupedReduceWithFieldPositionKeyNonCombinable.

@Test
public void testGroupedReduceWithFieldPositionKeyNonCombinable() {
    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).reduceGroup(new RichGroupReduceFunction<Tuple2<String, Double>, Tuple2<String, Double>>() {

            public void reduce(Iterable<Tuple2<String, Double>> values, Collector<Tuple2<String, Double>> out) {
            }
        }).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");
        // check wiring
        assertEquals(sourceNode, reduceNode.getInput().getSource());
        assertEquals(reduceNode, sinkNode.getInput().getSource());
        // check that both reduce and combiner have the same strategy
        assertEquals(DriverStrategy.SORTED_GROUP_REDUCE, reduceNode.getDriverStrategy());
        // check the keys
        assertEquals(new FieldList(1), reduceNode.getKeys(0));
        assertEquals(new FieldList(1), reduceNode.getInput().getLocalStrategyKeys());
        // check parallelism
        assertEquals(6, sourceNode.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());
    }
}

Example 39 with SourcePlanNode

use of org.apache.flink.optimizer.plan.SourcePlanNode in project flink by apache.

the class GroupReduceCompilationTest method testAllGroupReduceNoCombiner.

@Test
public void testAllGroupReduceNoCombiner() {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        env.setParallelism(8);
        DataSet<Double> data = env.fromElements(0.2, 0.3, 0.4, 0.5).name("source");
        data.reduceGroup(new RichGroupReduceFunction<Double, Double>() {

            public void reduce(Iterable<Double> values, Collector<Double> out) {
            }
        }).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 that reduce has the right strategy
        assertEquals(DriverStrategy.ALL_GROUP_REDUCE, reduceNode.getDriverStrategy());
        // 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());
    }
}

Example 40 with SourcePlanNode

use of org.apache.flink.optimizer.plan.SourcePlanNode 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());
    }
}