| /** |
| * 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 static org.junit.Assert.*; |
| import static org.mockito.Mockito.*; |
| |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.security.Credentials; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.event.Event; |
| import org.apache.hadoop.yarn.event.EventHandler; |
| import org.apache.hadoop.yarn.util.SystemClock; |
| import org.apache.tez.common.TezAbstractEvent; |
| import org.apache.tez.common.counters.TezCounters; |
| import org.apache.tez.dag.api.records.DAGProtos.DAGPlan; |
| import org.apache.tez.dag.app.AppContext; |
| import org.apache.tez.dag.app.ClusterInfo; |
| import org.apache.tez.dag.app.TaskAttemptListener; |
| import org.apache.tez.dag.app.TaskHeartbeatHandler; |
| import org.apache.tez.dag.app.dag.DAGState; |
| import org.apache.tez.dag.app.dag.DAGTerminationCause; |
| import org.apache.tez.dag.app.dag.VertexState; |
| import org.apache.tez.dag.app.dag.event.DAGAppMasterEventDAGFinished; |
| import org.apache.tez.dag.app.dag.event.DAGEvent; |
| import org.apache.tez.dag.app.dag.event.DAGEventRecoverEvent; |
| import org.apache.tez.dag.app.dag.event.DAGEventType; |
| import org.apache.tez.dag.app.dag.event.VertexEvent; |
| import org.apache.tez.dag.app.dag.event.VertexEventRecoverVertex; |
| import org.apache.tez.dag.history.events.DAGCommitStartedEvent; |
| import org.apache.tez.dag.history.events.DAGFinishedEvent; |
| import org.apache.tez.dag.history.events.DAGInitializedEvent; |
| import org.apache.tez.dag.history.events.DAGKillRequestEvent; |
| import org.apache.tez.dag.history.events.DAGStartedEvent; |
| import org.apache.tez.dag.history.events.VertexGroupCommitFinishedEvent; |
| import org.apache.tez.dag.history.events.VertexGroupCommitStartedEvent; |
| import org.apache.tez.dag.records.TezDAGID; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.ArgumentCaptor; |
| |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| public class TestDAGRecovery { |
| |
| private DAGImpl dag; |
| private EventHandler mockEventHandler; |
| |
| private String user = "root"; |
| private String dagName = "dag1"; |
| |
| private AppContext mockAppContext; |
| private ApplicationId appId = ApplicationId.newInstance( |
| System.currentTimeMillis(), 1); |
| private TezDAGID dagId = TezDAGID.getInstance(appId, 1); |
| private long initTime = 100L; |
| private long startTime = initTime + 200L; |
| private long commitStartTime = startTime + 200L; |
| private long finishTime = commitStartTime + 200L; |
| private TezCounters tezCounters = new TezCounters(); |
| |
| @Before |
| public void setUp() { |
| mockAppContext = mock(AppContext.class, RETURNS_DEEP_STUBS); |
| when(mockAppContext.getCurrentDAG().getDagUGI()).thenReturn(null); |
| ClusterInfo clusterInfo = new ClusterInfo(Resource.newInstance(8192,10)); |
| doReturn(clusterInfo).when(mockAppContext).getClusterInfo(); |
| mockEventHandler = mock(EventHandler.class); |
| tezCounters.findCounter("grp_1", "counter_1").increment(1); |
| |
| DAGPlan dagPlan = TestDAGImpl.createTestDAGPlan(); |
| dag = |
| new DAGImpl(dagId, new Configuration(), dagPlan, mockEventHandler, |
| mock(TaskAttemptListener.class), new Credentials(), |
| new SystemClock(), user, mock(TaskHeartbeatHandler.class), |
| mockAppContext); |
| } |
| |
| private void assertNewState() { |
| assertEquals(0, dag.getVertices().size()); |
| assertEquals(0, dag.edges.size()); |
| assertNull(dag.dagScheduler); |
| assertFalse(dag.recoveryCommitInProgress); |
| assertEquals(0, dag.recoveredGroupCommits.size()); |
| } |
| |
| private void restoreFromDAGInitializedEvent() { |
| DAGState recoveredState = |
| dag.restoreFromEvent(new DAGInitializedEvent(dagId, initTime, user, |
| dagName, null)); |
| assertEquals(DAGState.INITED, recoveredState); |
| assertEquals(initTime, dag.initTime); |
| assertEquals(6, dag.getVertices().size()); |
| assertEquals(6, dag.edges.size()); |
| assertNotNull(dag.dagScheduler); |
| } |
| |
| private void restoreFromDAGStartedEvent() { |
| DAGState recoveredState = |
| dag.restoreFromEvent(new DAGStartedEvent(dagId, startTime, user, |
| dagName)); |
| assertEquals(startTime, dag.startTime); |
| assertEquals(DAGState.RUNNING, recoveredState); |
| } |
| |
| private void restoreFromDAGCommitStartedEvent() { |
| DAGState recoveredState = |
| dag.restoreFromEvent(new DAGCommitStartedEvent(dagId, commitStartTime)); |
| assertTrue(dag.recoveryCommitInProgress); |
| assertEquals(DAGState.RUNNING, recoveredState); |
| } |
| |
| private void restoreFromVertexGroupCommitStartedEvent() { |
| DAGState recoveredState = |
| dag.restoreFromEvent(new VertexGroupCommitStartedEvent(dagId, "g1", |
| commitStartTime)); |
| assertEquals(1, dag.recoveredGroupCommits.size()); |
| assertFalse(dag.recoveredGroupCommits.get("g1").booleanValue()); |
| assertEquals(DAGState.RUNNING, recoveredState); |
| } |
| |
| private void restoreFromVertexGroupCommitFinishedEvent() { |
| DAGState recoveredState = |
| dag.restoreFromEvent(new VertexGroupCommitFinishedEvent(dagId, "g1", |
| commitStartTime + 100L)); |
| assertEquals(1, dag.recoveredGroupCommits.size()); |
| assertTrue(dag.recoveredGroupCommits.get("g1").booleanValue()); |
| assertEquals(DAGState.RUNNING, recoveredState); |
| } |
| |
| private void restoreFromDAGFinishedEvent(DAGState finalState) { |
| DAGState recoveredState = |
| dag.restoreFromEvent(new DAGFinishedEvent(dagId, startTime, finishTime, |
| finalState, "", tezCounters, user, dagName, null, null)); |
| assertEquals(finishTime, dag.finishTime); |
| assertFalse(dag.recoveryCommitInProgress); |
| assertEquals(finalState, recoveredState); |
| assertEquals(tezCounters, dag.fullCounters); |
| } |
| |
| private void restoreFromDAGKillRequestEvent() { |
| dag.restoreFromEvent(new DAGKillRequestEvent(dag.getID(), 0L, false)); |
| } |
| |
| /** |
| * New -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_FromNew() { |
| assertNewState(); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| |
| ArgumentCaptor<DAGEvent> eventCaptor = |
| ArgumentCaptor.forClass(DAGEvent.class); |
| verify(mockEventHandler, times(2)).handle(eventCaptor.capture()); |
| List<DAGEvent> events = eventCaptor.getAllValues(); |
| assertEquals(2, events.size()); |
| assertEquals(DAGEventType.DAG_INIT, events.get(0).getType()); |
| assertEquals(DAGEventType.DAG_START, events.get(1).getType()); |
| } |
| |
| /** |
| * New -> restoreFromDAGKillRequested -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_FromNewToKilled() { |
| restoreFromDAGKillRequestEvent(); |
| assertNewState(); |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.KILLED, dag.getState()); |
| assertEquals(DAGTerminationCause.DAG_KILL, dag.getTerminationCause()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_FromInited() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| |
| assertEquals(DAGState.RUNNING, dag.getState()); |
| // send recover event to 2 root vertex |
| ArgumentCaptor<VertexEvent> eventCaptor = |
| ArgumentCaptor.forClass(VertexEvent.class); |
| verify(mockEventHandler, times(2)).handle(eventCaptor.capture()); |
| List<VertexEvent> vertexEvents = eventCaptor.getAllValues(); |
| assertEquals(2, vertexEvents.size()); |
| for (VertexEvent vEvent : vertexEvents) { |
| assertTrue(vEvent instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = (VertexEventRecoverVertex) vEvent; |
| assertEquals(VertexState.RUNNING, recoverEvent.getDesiredState()); |
| } |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGKillRequested -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_FromInitedToKilled() { |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGKillRequestEvent(); |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.KILLED, dag.getState()); |
| assertEquals(DAGTerminationCause.DAG_KILL, dag.getTerminationCause()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> |
| * RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_FromStarted() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| |
| assertEquals(DAGState.RUNNING, dag.getState()); |
| // send recover event to 2 root vertex |
| ArgumentCaptor<VertexEvent> eventCaptor = |
| ArgumentCaptor.forClass(VertexEvent.class); |
| verify(mockEventHandler, times(2)).handle(eventCaptor.capture()); |
| List<VertexEvent> vertexEvents = eventCaptor.getAllValues(); |
| assertEquals(2, vertexEvents.size()); |
| for (VertexEvent vEvent : vertexEvents) { |
| assertTrue(vEvent instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = (VertexEventRecoverVertex) vEvent; |
| assertEquals(VertexState.RUNNING, recoverEvent.getDesiredState()); |
| } |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> restoreFromDAGKillRequested |
| * RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_FromStartedtoKilled() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| restoreFromDAGKillRequestEvent(); |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.KILLED, dag.getState()); |
| assertEquals(DAGTerminationCause.DAG_KILL, dag.getTerminationCause()); |
| // send recover event to all the vertices with desired state of KILLED |
| ArgumentCaptor<TezAbstractEvent> eventCaptor = |
| ArgumentCaptor.forClass(TezAbstractEvent.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<TezAbstractEvent> events = eventCaptor.getAllValues(); |
| assertEquals(7, events.size()); |
| for (int i=0;i<6;++i) { |
| TezAbstractEvent vEvent = events.get(i); |
| assertTrue(vEvent instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = (VertexEventRecoverVertex) vEvent; |
| assertEquals(VertexState.KILLED, recoverEvent.getDesiredState()); |
| } |
| assertTrue(events.get(6) instanceof DAGAppMasterEventDAGFinished); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> |
| * restoreFromDAGFinishedEvent (SUCCEEDED) -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_Finished_SUCCEEDED() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| restoreFromDAGFinishedEvent(DAGState.SUCCEEDED); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.SUCCEEDED, dag.getState()); |
| assertEquals(tezCounters, dag.getAllCounters()); |
| // recover all the vertices to SUCCEED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.SUCCEEDED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.SUCCEEDED, dagFinishedEvent.getDAGState()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> |
| * restoreFromDAGFinishedEvent(FAILED) -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_Finished_FAILED() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| restoreFromDAGFinishedEvent(DAGState.FAILED); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.FAILED, dag.getState()); |
| assertEquals(tezCounters, dag.getAllCounters()); |
| // recover all the vertices to FAILED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.FAILED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.FAILED, dagFinishedEvent.getDAGState()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> -> |
| * restoreFromDAGFinishedEvent -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_Finished_KILLED() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| restoreFromDAGFinishedEvent(DAGState.KILLED); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.KILLED, dag.getState()); |
| assertEquals(tezCounters, dag.getAllCounters()); |
| // recover all the vertices to KILLED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.KILLED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.KILLED, dagFinishedEvent.getDAGState()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent |
| * --> restoreFromDAGKillRequestEvent --> |
| * restoreFromDAGFinishedEvent -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_Finished_KILLED_WithKillRequest() { |
| // same behavior as without DAGKillRequestEvent because DAGFinishedEvent is seen |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| restoreFromDAGKillRequestEvent(); |
| restoreFromDAGFinishedEvent(DAGState.KILLED); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.KILLED, dag.getState()); |
| assertEquals(tezCounters, dag.getAllCounters()); |
| // recover all the vertices to KILLED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.KILLED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.KILLED, dagFinishedEvent.getDAGState()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> -> |
| * restoreFromDAGFinishedEvent -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_Finished_ERROR() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| restoreFromDAGFinishedEvent(DAGState.ERROR); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.ERROR, dag.getState()); |
| assertEquals(tezCounters, dag.getAllCounters()); |
| // recover all the vertices to KILLED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.FAILED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.ERROR, dagFinishedEvent.getDAGState()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> |
| * restoreFromDAG_COMMIT_STARTED -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_COMMIT_STARTED() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| restoreFromDAGCommitStartedEvent(); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.FAILED, dag.getState()); |
| |
| // recover all the vertices to SUCCEEDED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.SUCCEEDED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.FAILED, dagFinishedEvent.getDAGState()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> |
| * restoreFromDAG_COMMIT_STARTED -> -> restoreFromDAGFinished (SUCCEEDED)-> |
| * RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_COMMIT_STARTED_Finished_SUCCEEDED() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| |
| restoreFromDAGCommitStartedEvent(); |
| restoreFromDAGFinishedEvent(DAGState.SUCCEEDED); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.SUCCEEDED, dag.getState()); |
| |
| // recover all the vertices to SUCCEED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.SUCCEEDED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.SUCCEEDED, dagFinishedEvent.getDAGState()); |
| |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> |
| * restoreFromVERTEX_GROUP_COMMIT_STARTED -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_GROUP_COMMIT_STARTED() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| restoreFromVertexGroupCommitStartedEvent(); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.FAILED, dag.getState()); |
| |
| // recover all the vertices to SUCCEEDED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.SUCCEEDED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.FAILED, dagFinishedEvent.getDAGState()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> |
| * restoreFromVERTEX_GROUP_COMMIT_STARTED -> VERTEX_GROUP_COMMIT_FINISHED -> |
| * RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_GROUP_COMMIT_STARTED_FINISHED() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| |
| restoreFromVertexGroupCommitStartedEvent(); |
| restoreFromVertexGroupCommitFinishedEvent(); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.RUNNING, dag.getState()); |
| |
| // send recover event to 2 root vertex |
| verify(mockEventHandler, times(2)).handle( |
| any(VertexEventRecoverVertex.class)); |
| assertEquals(DAGState.RUNNING, dag.getState()); |
| } |
| |
| /** |
| * restoreFromDAGInitializedEvent -> restoreFromDAGStartedEvent -> |
| * restoreFromVERTEX_GROUP_COMMIT_STARTED -> VERTEX_GROUP_COMMIT_FINISHED -> |
| * restoreFromDAG_Finished -> RecoverTransition |
| */ |
| @Test(timeout = 5000) |
| public void testDAGRecovery_GROUP_COMMIT_Finished() { |
| assertNewState(); |
| restoreFromDAGInitializedEvent(); |
| restoreFromDAGStartedEvent(); |
| |
| restoreFromVertexGroupCommitStartedEvent(); |
| restoreFromVertexGroupCommitFinishedEvent(); |
| restoreFromDAGFinishedEvent(DAGState.SUCCEEDED); |
| |
| dag.handle(new DAGEventRecoverEvent(dagId, new ArrayList<URL>())); |
| assertEquals(DAGState.SUCCEEDED, dag.getState()); |
| assertEquals(tezCounters, dag.getAllCounters()); |
| // recover all the vertices to SUCCEEDED |
| ArgumentCaptor<Event> eventCaptor = ArgumentCaptor.forClass(Event.class); |
| verify(mockEventHandler, times(7)).handle(eventCaptor.capture()); |
| List<Event> events = eventCaptor.getAllValues(); |
| int i = 0; |
| for (; i < 6; ++i) { |
| assertTrue(events.get(i) instanceof VertexEventRecoverVertex); |
| VertexEventRecoverVertex recoverEvent = |
| (VertexEventRecoverVertex) events.get(i); |
| assertEquals(VertexState.SUCCEEDED, recoverEvent.getDesiredState()); |
| } |
| |
| // send DAGAppMasterEventDAGFinished at last |
| assertTrue(events.get(i) instanceof DAGAppMasterEventDAGFinished); |
| DAGAppMasterEventDAGFinished dagFinishedEvent = |
| (DAGAppMasterEventDAGFinished) events.get(i); |
| assertEquals(DAGState.SUCCEEDED, dagFinishedEvent.getDAGState()); |
| } |
| |
| } |