/*
* 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.executiongraph;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.jobgraph.AbstractJobVertex;
import org.apache.flink.runtime.jobgraph.DistributionPattern;
import org.apache.flink.runtime.jobgraph.JobID;
import org.apache.flink.runtime.jobmanager.scheduler.SlotSharingGroup;
import org.junit.Test;
public class VertexSlotSharingTest {
/*
* Test setup:
* - v1 is isolated, no slot sharing
* - v2 and v3 (not connected) share slots
* - v4 and v5 (connected) share slots
*/
@Test
public void testAssignSlotSharingGroup() {
try {
AbstractJobVertex v1 = new AbstractJobVertex("v1");
AbstractJobVertex v2 = new AbstractJobVertex("v2");
AbstractJobVertex v3 = new AbstractJobVertex("v3");
AbstractJobVertex v4 = new AbstractJobVertex("v4");
AbstractJobVertex v5 = new AbstractJobVertex("v5");
v1.setParallelism(4);
v2.setParallelism(5);
v3.setParallelism(7);
v4.setParallelism(1);
v5.setParallelism(11);
v2.connectNewDataSetAsInput(v1, DistributionPattern.POINTWISE);
v5.connectNewDataSetAsInput(v4, DistributionPattern.POINTWISE);
SlotSharingGroup jg1 = new SlotSharingGroup();
v2.setSlotSharingGroup(jg1);
v3.setSlotSharingGroup(jg1);
SlotSharingGroup jg2 = new SlotSharingGroup();
v4.setSlotSharingGroup(jg2);
v5.setSlotSharingGroup(jg2);
List<AbstractJobVertex> vertices = new ArrayList<AbstractJobVertex>(Arrays.asList(v1, v2, v3, v4, v5));
ExecutionGraph eg = new ExecutionGraph(new JobID(), "test job", new Configuration());
eg.attachJobGraph(vertices);
// verify that the vertices are all in the same slot sharing group
SlotSharingGroup group1 = null;
SlotSharingGroup group2 = null;
// verify that v1 tasks have no slot sharing group
assertNull(eg.getJobVertex(v1.getID()).getSlotSharingGroup());
// v2 and v3 are shared
group1 = eg.getJobVertex(v2.getID()).getSlotSharingGroup();
assertNotNull(group1);
assertEquals(group1, eg.getJobVertex(v3.getID()).getSlotSharingGroup());
assertEquals(2, group1.getJobVertexIds().size());
assertTrue(group1.getJobVertexIds().contains(v2.getID()));
assertTrue(group1.getJobVertexIds().contains(v3.getID()));
// v4 and v5 are shared
group2 = eg.getJobVertex(v4.getID()).getSlotSharingGroup();
assertNotNull(group2);
assertEquals(group2, eg.getJobVertex(v5.getID()).getSlotSharingGroup());
assertEquals(2, group1.getJobVertexIds().size());
assertTrue(group2.getJobVertexIds().contains(v4.getID()));
assertTrue(group2.getJobVertexIds().contains(v5.getID()));
}
catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}
}
}