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

Example 6 with Channel

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

the class FeedbackPropertiesMatchTest method testTwoOperatorsBothDependent.

@Test
public void testTwoOperatorsBothDependent() {
    try {
        SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Partial Solution");
        Channel toMap1 = new Channel(target);
        toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toMap1.setLocalStrategy(LocalStrategy.NONE);
        SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
        Channel toMap2 = new Channel(target);
        toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toMap2.setLocalStrategy(LocalStrategy.NONE);
        SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
        Channel toJoin1 = new Channel(map1);
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toJoin1.setLocalStrategy(LocalStrategy.NONE);
        Channel toJoin2 = new Channel(map2);
        toJoin2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toJoin2.setLocalStrategy(LocalStrategy.NONE);
        DualInputPlanNode join = new DualInputPlanNode(getJoinNode(), "Join", toJoin1, toJoin2, DriverStrategy.HYBRIDHASH_BUILD_FIRST);
        Channel toAfterJoin = new Channel(join);
        toAfterJoin.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toAfterJoin.setLocalStrategy(LocalStrategy.NONE);
        SingleInputPlanNode afterJoin = new SingleInputPlanNode(getMapNode(), "After Join Mapper", toAfterJoin, DriverStrategy.MAP);
        // no properties from the partial solution, no required properties
        {
            GlobalProperties gp = new GlobalProperties();
            LocalProperties lp = LocalProperties.EMPTY;
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // some properties from the partial solution, no required properties
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // test requirements on one input and met
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(0));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(2, 1));
            toJoin1.setRequiredGlobalProps(rgp);
            toJoin1.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // test requirements on both input and met
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(0));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(2, 1));
            toJoin1.setRequiredGlobalProps(rgp);
            toJoin1.setRequiredLocalProps(rlp);
            toJoin2.setRequiredGlobalProps(rgp);
            toJoin2.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // test requirements on both inputs, one not met
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp1 = new RequestedGlobalProperties();
            rgp1.setHashPartitioned(new FieldList(0));
            RequestedLocalProperties rlp1 = new RequestedLocalProperties();
            rlp1.setGroupedFields(new FieldList(2, 1));
            RequestedGlobalProperties rgp2 = new RequestedGlobalProperties();
            rgp2.setHashPartitioned(new FieldList(1));
            RequestedLocalProperties rlp2 = new RequestedLocalProperties();
            rlp2.setGroupedFields(new FieldList(0, 3));
            toJoin1.setRequiredGlobalProps(rgp1);
            toJoin1.setRequiredLocalProps(rlp1);
            toJoin2.setRequiredGlobalProps(rgp2);
            toJoin2.setRequiredLocalProps(rlp2);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(NOT_MET, report);
        }
        // test override on both inputs, later requirement ignored
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(1));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(0, 3));
            toJoin1.setRequiredGlobalProps(null);
            toJoin1.setRequiredLocalProps(null);
            toJoin2.setRequiredGlobalProps(null);
            toJoin2.setRequiredLocalProps(null);
            toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(88), DataExchangeMode.PIPELINED);
            toJoin2.setShipStrategy(ShipStrategyType.BROADCAST, DataExchangeMode.PIPELINED);
            toAfterJoin.setRequiredGlobalProps(rgp);
            toAfterJoin.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(MET, report);
        }
        // test override on one inputs, later requirement met
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(0));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(2, 1));
            toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(88), DataExchangeMode.PIPELINED);
            toJoin2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toAfterJoin.setRequiredGlobalProps(rgp);
            toAfterJoin.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(PENDING, report);
        }
        // test override on one input, later requirement not met
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(3));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(77, 69));
            toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(88), DataExchangeMode.PIPELINED);
            toJoin2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toAfterJoin.setRequiredGlobalProps(rgp);
            toAfterJoin.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(NOT_MET, report);
        }
        // test override on one input locally, later global requirement not met
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(3));
            toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(3), new boolean[] { false });
            toJoin2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.NONE);
            toAfterJoin.setRequiredGlobalProps(rgp);
            toAfterJoin.setRequiredLocalProps(null);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(NOT_MET, report);
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 7 with Channel

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

the class FeedbackPropertiesMatchTest method testTwoOperatorsOneIndependent.

@Test
public void testTwoOperatorsOneIndependent() {
    try {
        SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Partial Solution");
        SourcePlanNode source = new SourcePlanNode(getSourceNode(), "Other Source");
        Channel toMap1 = new Channel(target);
        toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toMap1.setLocalStrategy(LocalStrategy.NONE);
        SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
        Channel toMap2 = new Channel(source);
        toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toMap2.setLocalStrategy(LocalStrategy.NONE);
        SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
        Channel toJoin1 = new Channel(map1);
        Channel toJoin2 = new Channel(map2);
        DualInputPlanNode join = new DualInputPlanNode(getJoinNode(), "Join", toJoin1, toJoin2, DriverStrategy.HYBRIDHASH_BUILD_FIRST);
        Channel toAfterJoin = new Channel(join);
        toAfterJoin.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toAfterJoin.setLocalStrategy(LocalStrategy.NONE);
        SingleInputPlanNode afterJoin = new SingleInputPlanNode(getMapNode(), "After Join Mapper", toAfterJoin, DriverStrategy.MAP);
        // attach some properties to the non-relevant input
        {
            toMap2.setShipStrategy(ShipStrategyType.BROADCAST, DataExchangeMode.PIPELINED);
            toMap2.setLocalStrategy(LocalStrategy.SORT, new FieldList(2, 7), new boolean[] { true, true });
            RequestedGlobalProperties joinGp = new RequestedGlobalProperties();
            joinGp.setFullyReplicated();
            RequestedLocalProperties joinLp = new RequestedLocalProperties();
            joinLp.setOrdering(new Ordering(2, null, Order.ASCENDING).appendOrdering(7, null, Order.ASCENDING));
            toJoin2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin2.setLocalStrategy(LocalStrategy.NONE);
            toJoin2.setRequiredGlobalProps(joinGp);
            toJoin2.setRequiredLocalProps(joinLp);
        }
        // ------------------------------------------------------------------------------------
        // no properties from the partial solution, no required properties
        {
            toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.NONE);
            GlobalProperties gp = new GlobalProperties();
            LocalProperties lp = LocalProperties.EMPTY;
            FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // some properties from the partial solution, no required properties
        {
            toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.NONE);
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // produced properties match relevant input
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(0));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(2));
            toJoin1.setRequiredGlobalProps(rgp);
            toJoin1.setRequiredLocalProps(rlp);
            toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.NONE);
            FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // produced properties do not match relevant input
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(0));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(1, 2, 3));
            toJoin1.setRequiredGlobalProps(rgp);
            toJoin1.setRequiredLocalProps(rlp);
            toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.NONE);
            FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(NOT_MET, report);
        }
        // produced properties overridden before join
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(0));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(2, 1));
            toMap1.setRequiredGlobalProps(rgp);
            toMap1.setRequiredLocalProps(rlp);
            toJoin1.setRequiredGlobalProps(null);
            toJoin1.setRequiredLocalProps(null);
            toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(2, 1), DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(7, 3), new boolean[] { true, false });
            FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(MET, report);
        }
        // produced properties before join match, after join match as well
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(0));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(2, 1));
            toMap1.setRequiredGlobalProps(null);
            toMap1.setRequiredLocalProps(null);
            toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.NONE);
            toJoin1.setRequiredGlobalProps(rgp);
            toJoin1.setRequiredLocalProps(rlp);
            toAfterJoin.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toAfterJoin.setLocalStrategy(LocalStrategy.NONE);
            toAfterJoin.setRequiredGlobalProps(rgp);
            toAfterJoin.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // produced properties before join match, after join do not match
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setHashPartitioned(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp1 = new RequestedGlobalProperties();
            rgp1.setHashPartitioned(new FieldList(0));
            RequestedGlobalProperties rgp2 = new RequestedGlobalProperties();
            rgp2.setHashPartitioned(new FieldList(3));
            RequestedLocalProperties rlp1 = new RequestedLocalProperties();
            rlp1.setGroupedFields(new FieldList(2, 1));
            RequestedLocalProperties rlp2 = new RequestedLocalProperties();
            rlp2.setGroupedFields(new FieldList(3, 4));
            toJoin1.setRequiredGlobalProps(rgp1);
            toJoin1.setRequiredLocalProps(rlp1);
            toAfterJoin.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toAfterJoin.setLocalStrategy(LocalStrategy.NONE);
            toAfterJoin.setRequiredGlobalProps(rgp2);
            toAfterJoin.setRequiredLocalProps(rlp2);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(NOT_MET, report);
        }
        // produced properties are overridden, does not matter that they do not match
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setAnyPartitioning(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(1));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(1, 2, 3));
            toJoin1.setRequiredGlobalProps(null);
            toJoin1.setRequiredLocalProps(null);
            toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(2, 1), DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(7, 3), new boolean[] { true, false });
            toAfterJoin.setRequiredGlobalProps(rgp);
            toAfterJoin.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(MET, report);
        }
        // local property overridden before join, local property mismatch after join not relevant
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setAnyPartitioning(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(1, 2, 3));
            toJoin1.setRequiredGlobalProps(null);
            toJoin1.setRequiredLocalProps(null);
            toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(7, 3), new boolean[] { true, false });
            toAfterJoin.setRequiredGlobalProps(null);
            toAfterJoin.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
        }
        // local property overridden before join, global property mismatch after join void the match
        {
            GlobalProperties gp = new GlobalProperties();
            gp.setAnyPartitioning(new FieldList(0));
            LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
            RequestedGlobalProperties rgp = new RequestedGlobalProperties();
            rgp.setHashPartitioned(new FieldList(1));
            RequestedLocalProperties rlp = new RequestedLocalProperties();
            rlp.setGroupedFields(new FieldList(1, 2, 3));
            toJoin1.setRequiredGlobalProps(null);
            toJoin1.setRequiredLocalProps(null);
            toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
            toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(7, 3), new boolean[] { true, false });
            toAfterJoin.setRequiredGlobalProps(rgp);
            toAfterJoin.setRequiredLocalProps(rlp);
            FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
            assertEquals(NOT_MET, report);
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 8 with Channel

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

the class FeedbackPropertiesMatchTest method testNoPartialSolutionFoundSingleInputOnly.

@Test
public void testNoPartialSolutionFoundSingleInputOnly() {
    try {
        SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Source");
        SourcePlanNode otherTarget = new SourcePlanNode(getSourceNode(), "Source");
        Channel toMap1 = new Channel(target);
        toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toMap1.setLocalStrategy(LocalStrategy.NONE);
        SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
        Channel toMap2 = new Channel(map1);
        toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
        toMap2.setLocalStrategy(LocalStrategy.NONE);
        SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
        {
            GlobalProperties gp = new GlobalProperties();
            LocalProperties lp = new LocalProperties();
            FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(otherTarget, gp, lp);
            assertTrue(report == NO_PARTIAL_SOLUTION);
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 9 with Channel

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

the class GroupOrderTest method testReduceWithGroupOrder.

@Test
public void testReduceWithGroupOrder() {
    // construct the plan
    ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    env.setParallelism(DEFAULT_PARALLELISM);
    DataSet<Tuple4<Long, Long, Long, Long>> set1 = env.readCsvFile("/tmp/fake.csv").types(Long.class, Long.class, Long.class, Long.class);
    set1.groupBy(1).sortGroup(3, Order.DESCENDING).reduceGroup(new IdentityGroupReducer<Tuple4<Long, Long, Long, Long>>()).name("Reduce").output(new DiscardingOutputFormat<Tuple4<Long, Long, Long, Long>>()).name("Sink");
    Plan plan = env.createProgramPlan();
    OptimizedPlan oPlan;
    try {
        oPlan = compileNoStats(plan);
    } catch (CompilerException ce) {
        ce.printStackTrace();
        fail("The pact compiler is unable to compile this plan correctly.");
        // silence the compiler
        return;
    }
    OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(oPlan);
    SinkPlanNode sinkNode = resolver.getNode("Sink");
    SingleInputPlanNode reducer = resolver.getNode("Reduce");
    // verify the strategies
    Assert.assertEquals(ShipStrategyType.FORWARD, sinkNode.getInput().getShipStrategy());
    Assert.assertEquals(ShipStrategyType.PARTITION_HASH, reducer.getInput().getShipStrategy());
    Channel c = reducer.getInput();
    Assert.assertEquals(LocalStrategy.SORT, c.getLocalStrategy());
    FieldList ship = new FieldList(1);
    FieldList local = new FieldList(1, 3);
    Assert.assertEquals(ship, c.getShipStrategyKeys());
    Assert.assertEquals(local, c.getLocalStrategyKeys());
    Assert.assertTrue(c.getLocalStrategySortOrder()[0] == reducer.getSortOrders(0)[0]);
    // check that we indeed sort descending
    Assert.assertEquals(false, c.getLocalStrategySortOrder()[1]);
}

Example 10 with Channel

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

the class IterationsCompilerTest method testIterationPushingWorkOut.

@Test
public void testIterationPushingWorkOut() throws Exception {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        env.setParallelism(8);
        DataSet<Tuple2<Long, Long>> input1 = env.readCsvFile("/some/file/path").types(Long.class).map(new DuplicateValue());
        DataSet<Tuple2<Long, Long>> input2 = env.readCsvFile("/some/file/path").types(Long.class, Long.class);
        // we do two join operations with input1 which is the partial solution
        // it is cheaper to push the partitioning out so that the feedback channel and the
        // initial input do the partitioning
        doBulkIteration(input1, input2).output(new DiscardingOutputFormat<Tuple2<Long, Long>>());
        Plan p = env.createProgramPlan();
        OptimizedPlan op = compileNoStats(p);
        assertEquals(1, op.getDataSinks().size());
        assertTrue(op.getDataSinks().iterator().next().getInput().getSource() instanceof BulkIterationPlanNode);
        BulkIterationPlanNode bipn = (BulkIterationPlanNode) op.getDataSinks().iterator().next().getInput().getSource();
        // check that work has been pushed out
        for (Channel c : bipn.getPartialSolutionPlanNode().getOutgoingChannels()) {
            assertEquals(ShipStrategyType.FORWARD, c.getShipStrategy());
        }
        // the end of the step function has to produce the necessary properties
        for (Channel c : bipn.getRootOfStepFunction().getInputs()) {
            assertEquals(ShipStrategyType.PARTITION_HASH, c.getShipStrategy());
        }
        assertEquals(ShipStrategyType.PARTITION_HASH, bipn.getInput().getShipStrategy());
        new JobGraphGenerator().compileJobGraph(op);
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}