/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.operators;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.flink.api.common.ExecutionConfig;
import org.junit.Assert;
import org.apache.flink.api.common.functions.CrossFunction;
import org.apache.flink.runtime.operators.testutils.DelayingInfinitiveInputIterator;
import org.apache.flink.runtime.operators.testutils.DriverTestBase;
import org.apache.flink.runtime.operators.testutils.ExpectedTestException;
import org.apache.flink.runtime.operators.testutils.TaskCancelThread;
import org.apache.flink.runtime.operators.testutils.UniformRecordGenerator;
import org.apache.flink.types.Record;
import org.junit.Test;
public class CrossTaskTest extends DriverTestBase<CrossFunction<Record, Record, Record>> {
private static final long CROSS_MEM = 1024 * 1024;
private final double cross_frac;
private final CountingOutputCollector output = new CountingOutputCollector();
public CrossTaskTest(ExecutionConfig config) {
super(config, CROSS_MEM, 0);
cross_frac = (double)CROSS_MEM/this.getMemoryManager().getMemorySize();
}
@Test
public void testBlock1CrossTask()
{
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_FIRST);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testBlock2CrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords()); }
@Test
public void testFailingBlockCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_FIRST);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockFailingCrossStub.class);
Assert.fail("Exception not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
}
@Test
public void testFailingBlockCrossTask2() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockFailingCrossStub.class);
Assert.fail("Exception not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
}
@Test
public void testStream1CrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_FIRST);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testStream2CrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_SECOND);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testFailingStreamCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_FIRST);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockFailingCrossStub.class);
Assert.fail("Exception not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
}
@Test
public void testFailingStreamCrossTask2() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_SECOND);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockFailingCrossStub.class);
Assert.fail("Exception not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
}
@Test
public void testStreamEmptyInnerCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 0;
int valCnt2 = 0;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_FIRST);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testStreamEmptyOuterCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 0;
int valCnt2 = 0;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_SECOND);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testBlockEmptyInnerCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 0;
int valCnt2 = 0;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_FIRST);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testBlockEmptyOuterCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 0;
int valCnt2 = 0;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testCancelBlockCrossTaskInit() {
int keyCnt = 10;
int valCnt = 1;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_FIRST);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockCrossStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Exception was thrown despite proper canceling.", success.get());
}
@Test
public void testCancelBlockCrossTaskCrossing() {
int keyCnt = 10;
int valCnt = 1;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockCrossStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Exception was thrown despite proper canceling.", success.get());
}
@Test
public void testCancelStreamCrossTaskInit() {
int keyCnt = 10;
int valCnt = 1;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_FIRST);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockCrossStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Exception was thrown despite proper canceling.", success.get());
}
@Test
public void testCancelStreamCrossTaskCrossing() {
int keyCnt = 10;
int valCnt = 1;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_SECOND);
getTaskConfig().setRelativeMemoryDriver(cross_frac);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockCrossStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Exception was thrown despite proper canceling.", success.get());
}
public static final class MockCrossStub implements CrossFunction<Record, Record, Record> {
private static final long serialVersionUID = 1L;
@Override
public Record cross(Record record1, Record record2) throws Exception {
return record1;
}
}
public static final class MockFailingCrossStub implements CrossFunction<Record, Record, Record> {
private static final long serialVersionUID = 1L;
private int cnt = 0;
@Override
public Record cross(Record record1, Record record2) {
if (++this.cnt >= 10) {
throw new ExpectedTestException();
}
return record1;
}
}
}