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

Example 6 with SingleInputPlanNode

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

the class GroupReduceCompilationTest method testGroupedReduceWithFieldPositionKeyCombinable.

@Test
public void testGroupedReduceWithFieldPositionKeyCombinable() {
    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);
        GroupReduceOperator<Tuple2<String, Double>, Tuple2<String, Double>> reduced = data.groupBy(1).reduceGroup(new CombineReducer()).name("reducer");
        reduced.setCombinable(true);
        reduced.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 that both reduce and combiner have the same strategy
        assertEquals(DriverStrategy.SORTED_GROUP_REDUCE, reduceNode.getDriverStrategy());
        assertEquals(DriverStrategy.SORTED_GROUP_COMBINE, combineNode.getDriverStrategy());
        // check the keys
        assertEquals(new FieldList(1), reduceNode.getKeys(0));
        assertEquals(new FieldList(1), combineNode.getKeys(0));
        assertEquals(new FieldList(1), combineNode.getKeys(1));
        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());
    }
}

Example 7 with SingleInputPlanNode

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

the class GroupReduceCompilationTest method testGroupedReduceWithSelectorFunctionKeyCombinable.

@Test
public void testGroupedReduceWithSelectorFunctionKeyCombinable() {
    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);
        GroupReduceOperator<Tuple2<String, Double>, Tuple2<String, Double>> reduced = data.groupBy(new KeySelector<Tuple2<String, Double>, String>() {

            public String getKey(Tuple2<String, Double> value) {
                return value.f0;
            }
        }).reduceGroup(new CombineReducer()).name("reducer");
        reduced.setCombinable(true);
        reduced.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 that both reduce and combiner have the same strategy
        assertEquals(DriverStrategy.SORTED_GROUP_REDUCE, reduceNode.getDriverStrategy());
        assertEquals(DriverStrategy.SORTED_GROUP_COMBINE, combineNode.getDriverStrategy());
        // check the keys
        assertEquals(new FieldList(0), reduceNode.getKeys(0));
        assertEquals(new FieldList(0), combineNode.getKeys(0));
        assertEquals(new FieldList(0), combineNode.getKeys(1));
        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());
    }
}

Example 8 with SingleInputPlanNode

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

the class GroupReduceCompilationTest method testGroupedReduceWithSelectorFunctionKeyNoncombinable.

@Test
public void testGroupedReduceWithSelectorFunctionKeyNoncombinable() {
    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;
            }
        }).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");
        // get the key extractors and projectors
        SingleInputPlanNode keyExtractor = (SingleInputPlanNode) reduceNode.getInput().getSource();
        SingleInputPlanNode keyProjector = (SingleInputPlanNode) sinkNode.getInput().getSource();
        // check wiring
        assertEquals(sourceNode, keyExtractor.getInput().getSource());
        assertEquals(keyProjector, 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(0), reduceNode.getKeys(0));
        assertEquals(new FieldList(0), reduceNode.getInput().getLocalStrategyKeys());
        // check parallelism
        assertEquals(6, sourceNode.getParallelism());
        assertEquals(6, keyExtractor.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());
    }
}

Example 9 with SingleInputPlanNode

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

the class GroupingTupleTranslationTest method testCustomPartitioningTupleAgg.

@Test
public void testCustomPartitioningTupleAgg() {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        DataSet<Tuple2<Integer, Integer>> data = env.fromElements(new Tuple2<Integer, Integer>(0, 0)).rebalance().setParallelism(4);
        data.groupBy(0).withPartitioner(new TestPartitionerInt()).sum(1).output(new DiscardingOutputFormat<Tuple2<Integer, Integer>>());
        Plan p = env.createProgramPlan();
        OptimizedPlan op = compileNoStats(p);
        SinkPlanNode sink = op.getDataSinks().iterator().next();
        SingleInputPlanNode reducer = (SingleInputPlanNode) sink.getInput().getSource();
        SingleInputPlanNode combiner = (SingleInputPlanNode) reducer.getInput().getSource();
        assertEquals(ShipStrategyType.FORWARD, sink.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.PARTITION_CUSTOM, reducer.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, combiner.getInput().getShipStrategy());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 10 with SingleInputPlanNode

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

the class PartitionOperatorTest method testRangePartitionOperatorPreservesFields2.

@Test
public void testRangePartitionOperatorPreservesFields2() {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        DataSet<Tuple2<Long, Long>> data = env.fromCollection(Collections.singleton(new Tuple2<>(0L, 0L)));
        PartitionOperator<Tuple2<Long, Long>> rangePartitioned = data.partitionByRange(1);
        rangePartitioned.groupBy(1).reduceGroup(new IdentityGroupReducerCombinable<Tuple2<Long, Long>>()).output(new DiscardingOutputFormat<Tuple2<Long, Long>>());
        data.groupBy(0).aggregate(Aggregations.SUM, 1).map(new MapFunction<Tuple2<Long, Long>, Long>() {

            @Override
            public Long map(Tuple2<Long, Long> value) throws Exception {
                return value.f1;
            }
        }).output(new DiscardingOutputFormat<Long>());
        rangePartitioned.filter(new FilterFunction<Tuple2<Long, Long>>() {

            @Override
            public boolean filter(Tuple2<Long, Long> value) throws Exception {
                return value.f0 % 2 == 0;
            }
        }).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(3, sourceOutgoingChannels.size());
        assertEquals(ShipStrategyType.FORWARD, sourceOutgoingChannels.get(0).getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, sourceOutgoingChannels.get(1).getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, sourceOutgoingChannels.get(2).getShipStrategy());
        assertEquals(DataExchangeMode.PIPELINED, sourceOutgoingChannels.get(0).getDataExchangeMode());
        assertEquals(DataExchangeMode.PIPELINED, sourceOutgoingChannels.get(1).getDataExchangeMode());
        assertEquals(DataExchangeMode.BATCH, sourceOutgoingChannels.get(2).getDataExchangeMode());
        List<Channel> partitionOutputChannels = partitionNode.getOutgoingChannels();
        assertEquals(2, partitionOutputChannels.size());
        assertEquals(ShipStrategyType.FORWARD, partitionOutputChannels.get(0).getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, partitionOutputChannels.get(1).getShipStrategy());
        assertEquals(DataExchangeMode.PIPELINED, partitionOutputChannels.get(0).getDataExchangeMode());
        assertEquals(DataExchangeMode.PIPELINED, partitionOutputChannels.get(1).getDataExchangeMode());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}