/* * 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 org.apache.flink.api.common.ExecutionConfig; import org.junit.Assert; import org.apache.flink.api.common.functions.CrossFunction; import org.apache.flink.runtime.operators.CrossTaskTest.MockCrossStub; import org.apache.flink.runtime.operators.testutils.DriverTestBase; import org.apache.flink.runtime.operators.testutils.UniformRecordGenerator; import org.apache.flink.types.Record; import org.junit.Test; public class CrossTaskExternalITCase 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 CrossTaskExternalITCase(ExecutionConfig config) { super(config, CROSS_MEM, 0); cross_frac = (double)CROSS_MEM/this.getMemoryManager().getMemorySize(); } @Test public void testExternalBlockCrossTask() { int keyCnt1 = 2; int valCnt1 = 1; // 43690 fit into memory, 43691 do not! int keyCnt2 = 43700; int valCnt2 = 1; 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<Record, Record, Record>(); 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 testExternalStreamCrossTask() { int keyCnt1 = 2; int valCnt1 = 1; // 87381 fit into memory, 87382 do not! int keyCnt2 = 87385; int valCnt2 = 1; 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<Record, Record, Record>(); 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()); } }