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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.flink.optimizer;
import static org.junit.Assert.*;
import org.apache.flink.api.common.Plan;
import org.apache.flink.api.java.DataSet;
import org.apache.flink.api.java.ExecutionEnvironment;
import org.apache.flink.api.java.io.DiscardingOutputFormat;
import org.apache.flink.api.java.operators.IterativeDataSet;
import org.apache.flink.optimizer.plan.BinaryUnionPlanNode;
import org.apache.flink.optimizer.plan.BulkIterationPlanNode;
import org.apache.flink.optimizer.plan.Channel;
import org.apache.flink.optimizer.plan.NAryUnionPlanNode;
import org.apache.flink.optimizer.plan.OptimizedPlan;
import org.apache.flink.optimizer.plan.SingleInputPlanNode;
import org.apache.flink.optimizer.plantranslate.JobGraphGenerator;
import org.apache.flink.optimizer.util.CompilerTestBase;
import org.junit.Test;
@SuppressWarnings("serial")
public class UnionBetweenDynamicAndStaticPathTest extends CompilerTestBase {
@Test
public void testUnionStaticFirst() {
try {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Long> input1 = env.generateSequence(1, 10);
DataSet<Long> input2 = env.generateSequence(1, 10);
IterativeDataSet<Long> iteration = input1.iterate(10);
DataSet<Long> result = iteration.closeWith(
input2.union(input2).union(iteration.union(iteration)));
result.output(new DiscardingOutputFormat<Long>());
result.output(new DiscardingOutputFormat<Long>());
Plan p = env.createProgramPlan();
OptimizedPlan op = compileNoStats(p);
assertEquals(2, op.getDataSinks().size());
BulkIterationPlanNode iterPlan = (BulkIterationPlanNode) op.getDataSinks().iterator().next().getInput().getSource();
SingleInputPlanNode noopNode = (SingleInputPlanNode) iterPlan.getRootOfStepFunction();
BinaryUnionPlanNode mixedUnion = (BinaryUnionPlanNode) noopNode.getInput().getSource();
NAryUnionPlanNode staticUnion = (NAryUnionPlanNode) mixedUnion.getInput1().getSource();
NAryUnionPlanNode dynamicUnion = (NAryUnionPlanNode) mixedUnion.getInput2().getSource();
assertTrue(mixedUnion.unionsStaticAndDynamicPath());
assertFalse(mixedUnion.getInput1().isOnDynamicPath());
assertTrue(mixedUnion.getInput2().isOnDynamicPath());
assertTrue(mixedUnion.getInput1().getTempMode().isCached());
for (Channel c : staticUnion.getInputs()) {
assertFalse(c.isOnDynamicPath());
}
for (Channel c : dynamicUnion.getInputs()) {
assertTrue(c.isOnDynamicPath());
}
assertEquals(0.5, iterPlan.getRelativeMemoryPerSubTask(), 0.0);
assertEquals(0.5, mixedUnion.getInput1().getRelativeTempMemory(), 0.0);
assertEquals(0.0, mixedUnion.getInput2().getRelativeTempMemory(), 0.0);
new JobGraphGenerator().compileJobGraph(op);
}
catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}
}
@Test
public void testUnionStaticSecond() {
try {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Long> input1 = env.generateSequence(1, 10);
DataSet<Long> input2 = env.generateSequence(1, 10);
IterativeDataSet<Long> iteration = input1.iterate(10);
DataSet<Long> iterResult = iteration
.closeWith(iteration.union(iteration).union(input2.union(input2)));
iterResult.output(new DiscardingOutputFormat<Long>());
iterResult.output(new DiscardingOutputFormat<Long>());
Plan p = env.createProgramPlan();
OptimizedPlan op = compileNoStats(p);
assertEquals(2, op.getDataSinks().size());
BulkIterationPlanNode iterPlan = (BulkIterationPlanNode) op.getDataSinks().iterator().next().getInput().getSource();
SingleInputPlanNode noopNode = (SingleInputPlanNode) iterPlan.getRootOfStepFunction();
BinaryUnionPlanNode mixedUnion = (BinaryUnionPlanNode) noopNode.getInput().getSource();
NAryUnionPlanNode staticUnion = (NAryUnionPlanNode) mixedUnion.getInput1().getSource();
NAryUnionPlanNode dynamicUnion = (NAryUnionPlanNode) mixedUnion.getInput2().getSource();
assertTrue(mixedUnion.unionsStaticAndDynamicPath());
assertFalse(mixedUnion.getInput1().isOnDynamicPath());
assertTrue(mixedUnion.getInput2().isOnDynamicPath());
assertTrue(mixedUnion.getInput1().getTempMode().isCached());
assertEquals(0.5, iterPlan.getRelativeMemoryPerSubTask(), 0.0);
assertEquals(0.5, mixedUnion.getInput1().getRelativeTempMemory(), 0.0);
assertEquals(0.0, mixedUnion.getInput2().getRelativeTempMemory(), 0.0);
for (Channel c : staticUnion.getInputs()) {
assertFalse(c.isOnDynamicPath());
}
for (Channel c : dynamicUnion.getInputs()) {
assertTrue(c.isOnDynamicPath());
}
new JobGraphGenerator().compileJobGraph(op);
}
catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}
}
}