| /** |
| * 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.tez.dag.app.dag.impl; |
| |
| import org.apache.hadoop.yarn.event.EventHandler; |
| import org.apache.tez.dag.app.dag.DAG; |
| import org.apache.tez.dag.app.dag.DAGScheduler; |
| import org.apache.tez.dag.app.dag.TaskAttempt; |
| import org.apache.tez.dag.app.dag.Vertex; |
| import org.apache.tez.dag.app.dag.event.DAGEventSchedulerUpdate; |
| import org.apache.tez.dag.app.dag.event.TaskAttemptEventSchedule; |
| import org.apache.tez.dag.app.rm.TaskSchedulerEventHandler; |
| import org.apache.tez.dag.records.TezDAGID; |
| import org.apache.tez.dag.records.TezVertexID; |
| import org.junit.Assert; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| import static org.mockito.Mockito.*; |
| |
| public class TestDAGScheduler { |
| |
| class MockEventHandler implements EventHandler<TaskAttemptEventSchedule> { |
| TaskAttemptEventSchedule event; |
| @Override |
| public void handle(TaskAttemptEventSchedule event) { |
| this.event = event; |
| } |
| |
| } |
| |
| MockEventHandler mockEventHandler = new MockEventHandler(); |
| |
| @Test(timeout=10000) |
| public void testDAGSchedulerNaturalOrder() { |
| DAG mockDag = mock(DAG.class); |
| Vertex mockVertex = mock(Vertex.class); |
| TaskAttempt mockAttempt = mock(TaskAttempt.class); |
| when(mockDag.getVertex((TezVertexID) any())).thenReturn(mockVertex); |
| when(mockVertex.getDistanceFromRoot()).thenReturn(0).thenReturn(1) |
| .thenReturn(2); |
| when(mockAttempt.getIsRescheduled()).thenReturn(false); |
| |
| DAGEventSchedulerUpdate event = new DAGEventSchedulerUpdate( |
| DAGEventSchedulerUpdate.UpdateType.TA_SCHEDULE, mockAttempt); |
| |
| DAGScheduler scheduler = new DAGSchedulerNaturalOrder(mockDag, |
| mockEventHandler); |
| scheduler.scheduleTask(event); |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 2); |
| scheduler.scheduleTask(event); |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 4); |
| scheduler.scheduleTask(event); |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 6); |
| |
| when(mockAttempt.getIsRescheduled()).thenReturn(true); |
| scheduler.scheduleTask(event); |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 5); |
| } |
| |
| @Ignore |
| @Test(timeout=10000) |
| public void testDAGSchedulerMRR() { |
| DAG mockDag = mock(DAG.class); |
| TezDAGID dagId = new TezDAGID("1", 1, 1); |
| |
| TaskSchedulerEventHandler mockTaskScheduler = |
| mock(TaskSchedulerEventHandler.class); |
| |
| Vertex mockVertex1 = mock(Vertex.class); |
| TezVertexID mockVertexId1 = new TezVertexID(dagId, 1); |
| when(mockVertex1.getVertexId()).thenReturn(mockVertexId1); |
| when(mockVertex1.getDistanceFromRoot()).thenReturn(0); |
| TaskAttempt mockAttempt1 = mock(TaskAttempt.class); |
| when(mockAttempt1.getVertexID()).thenReturn(mockVertexId1); |
| when(mockAttempt1.getIsRescheduled()).thenReturn(false); |
| when(mockDag.getVertex(mockVertexId1)).thenReturn(mockVertex1); |
| |
| Vertex mockVertex2 = mock(Vertex.class); |
| TezVertexID mockVertexId2 = new TezVertexID(dagId, 2); |
| when(mockVertex2.getVertexId()).thenReturn(mockVertexId2); |
| when(mockVertex2.getDistanceFromRoot()).thenReturn(1); |
| TaskAttempt mockAttempt2 = mock(TaskAttempt.class); |
| when(mockAttempt2.getVertexID()).thenReturn(mockVertexId2); |
| when(mockAttempt2.getIsRescheduled()).thenReturn(false); |
| when(mockDag.getVertex(mockVertexId2)).thenReturn(mockVertex2); |
| TaskAttempt mockAttempt2f = mock(TaskAttempt.class); |
| when(mockAttempt2f.getVertexID()).thenReturn(mockVertexId2); |
| when(mockAttempt2f.getIsRescheduled()).thenReturn(true); |
| |
| Vertex mockVertex3 = mock(Vertex.class); |
| TezVertexID mockVertexId3 = new TezVertexID(dagId, 3); |
| when(mockVertex3.getVertexId()).thenReturn(mockVertexId3); |
| when(mockVertex3.getDistanceFromRoot()).thenReturn(2); |
| TaskAttempt mockAttempt3 = mock(TaskAttempt.class); |
| when(mockAttempt3.getVertexID()).thenReturn(mockVertexId3); |
| when(mockAttempt3.getIsRescheduled()).thenReturn(false); |
| when(mockDag.getVertex(mockVertexId3)).thenReturn(mockVertex3); |
| |
| DAGEventSchedulerUpdate mockEvent1 = mock(DAGEventSchedulerUpdate.class); |
| when(mockEvent1.getAttempt()).thenReturn(mockAttempt1); |
| DAGEventSchedulerUpdate mockEvent2 = mock(DAGEventSchedulerUpdate.class); |
| when(mockEvent2.getAttempt()).thenReturn(mockAttempt2); |
| DAGEventSchedulerUpdate mockEvent2f = mock(DAGEventSchedulerUpdate.class); |
| when(mockEvent2f.getAttempt()).thenReturn(mockAttempt2f); |
| DAGEventSchedulerUpdate mockEvent3 = mock(DAGEventSchedulerUpdate.class); |
| when(mockEvent3.getAttempt()).thenReturn(mockAttempt3); |
| DAGScheduler scheduler = new DAGSchedulerMRR(mockDag, mockEventHandler, |
| mockTaskScheduler, 0.5f); |
| |
| // M starts. M completes. R1 starts. R1 completes. R2 starts. R2 completes |
| scheduler.scheduleTask(mockEvent1); // M starts |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 3); |
| scheduler.scheduleTask(mockEvent1); // M runs another |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 3); |
| scheduler.vertexCompleted(mockVertex1); // M completes |
| scheduler.scheduleTask(mockEvent2); // R1 starts |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 6); |
| scheduler.scheduleTask(mockEvent2); // R1 runs another |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 6); |
| scheduler.scheduleTask(mockEvent2f); // R1 runs retry. Retry priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 4); |
| scheduler.vertexCompleted(mockVertex2); // R1 completes |
| scheduler.scheduleTask(mockEvent3); // R2 starts |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 9); |
| scheduler.scheduleTask(mockEvent3); // R2 runs another |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 9); |
| scheduler.vertexCompleted(mockVertex3); // R2 completes |
| |
| // M starts. R1 starts. M completes. R2 starts. R1 completes. R2 completes |
| scheduler.scheduleTask(mockEvent1); // M starts |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 3); |
| scheduler.scheduleTask(mockEvent2); // R1 starts. Reordered priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 2); |
| scheduler.scheduleTask(mockEvent1); // M runs another |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 3); |
| scheduler.scheduleTask(mockEvent2); // R1 runs another. Reordered priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 2); |
| scheduler.scheduleTask(mockEvent2f); // R1 runs retry. Reordered priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 2); |
| scheduler.vertexCompleted(mockVertex1); // M completes |
| scheduler.scheduleTask(mockEvent3); // R2 starts. Reordered priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 5); |
| scheduler.scheduleTask(mockEvent2); // R1 runs another. Normal priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 6); |
| scheduler.scheduleTask(mockEvent2f); // R1 runs retry. Retry priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 4); |
| scheduler.scheduleTask(mockEvent3); // R2 runs another. Reordered priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 5); |
| scheduler.vertexCompleted(mockVertex2); // R1 completes |
| scheduler.vertexCompleted(mockVertex3); // R2 completes |
| |
| // M starts. M completes. R1 starts. R2 starts. R1 completes. R2 completes |
| scheduler.scheduleTask(mockEvent1); // M starts |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 3); |
| scheduler.vertexCompleted(mockVertex1); // M completes |
| scheduler.scheduleTask(mockEvent2); // R1 starts |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 6); |
| scheduler.scheduleTask(mockEvent3); // R2 starts. Reordered priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 5); |
| scheduler.scheduleTask(mockEvent2); // R1 runs another |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 6); |
| scheduler.vertexCompleted(mockVertex2); // R1 completes |
| scheduler.vertexCompleted(mockVertex3); // R2 completes |
| |
| // M starts. R1 starts. M completes. R1 completes. R2 starts. R2 completes |
| scheduler.scheduleTask(mockEvent1); // M starts |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 3); |
| scheduler.scheduleTask(mockEvent2); // R1 starts. Reordered priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 2); |
| scheduler.vertexCompleted(mockVertex1); // M completes |
| scheduler.scheduleTask(mockEvent2); // R1 starts. Normal priority |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 6); |
| scheduler.vertexCompleted(mockVertex2); // R1 completes |
| scheduler.scheduleTask(mockEvent3); // R2 starts |
| Assert.assertTrue(mockEventHandler.event.getPriority().getPriority() == 9); |
| scheduler.vertexCompleted(mockVertex3); // R2 completes |
| } |
| } |