| // 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. |
| |
| using System; |
| using System.Diagnostics; |
| using Org.Apache.REEF.IMRU.API; |
| using Org.Apache.REEF.IMRU.OnREEF.Driver; |
| using Org.Apache.REEF.Tang.Annotations; |
| using Org.Apache.REEF.Tang.Implementations.Tang; |
| using Org.Apache.REEF.Tang.Interface; |
| using Org.Apache.REEF.Tang.Util; |
| using Org.Apache.REEF.Utilities.Logging; |
| using Xunit; |
| |
| namespace Org.Apache.REEF.Tests.Functional.IMRU |
| { |
| [Collection("FunctionalTests")] |
| public class TestExceptionInResultHandlerDispose : IMRUBrodcastReduceTestBase |
| { |
| /// <summary> |
| /// This test is to throw exception in IIMRUResultHandler Dispose() method |
| /// </summary> |
| [Fact] |
| public void TestExceptionInResultHandlerDisposeOnLocalRuntime() |
| { |
| int chunkSize = 2; |
| int dims = 10; |
| int iterations = 10; |
| int mapperMemory = 5120; |
| int updateTaskMemory = 5120; |
| int numTasks = 4; |
| int numberOfRetryInRecovery = 4; |
| |
| string testFolder = DefaultRuntimeFolder + TestId; |
| TestBroadCastAndReduce(false, numTasks, chunkSize, dims, iterations, mapperMemory, updateTaskMemory, numberOfRetryInRecovery, testFolder); |
| string[] lines = ReadLogFile(DriverStdout, "driver", testFolder, 120); |
| var completedTaskCount = GetMessageCount(lines, CompletedTaskMessage); |
| var failedEvaluatorCount = GetMessageCount(lines, FailedEvaluatorMessage); |
| var failedTaskCount = GetMessageCount(lines, FailedTaskMessage); |
| var jobSuccess = GetMessageCount(lines, DoneActionMessage); |
| |
| // Master evaluator will fail after master task is completed. Depending on how quick the driver dispose contexts after the master task complete, |
| // driver may or may not receive the IFailedEvalautor event. |
| Assert.True(failedEvaluatorCount <= 1); |
| |
| // Scenario1: Driver receives FailedEvaluator caused by dispose of a completed task after all the tasks have been competed. |
| // FailedEvaluator event will be ignored. |
| // Scenario2: Driver receives FailedEvaluator caused by dispose of master task before all the tasks have been competed. |
| // Driver will send close event to the rest of the running tasks and enter shutdown state |
| // During this process, some tasks can still complete and some may fail due to communication error |
| // As evaluator failure happens in finally block, therefore either ICompletedTask or IFailedTask event should be sent before it. |
| // Considering once maser is done, rest of the contexts will be disposed, we have |
| // numTasks >= completedTask# + FailedTask# |
| Assert.True(numTasks >= completedTaskCount + failedTaskCount); |
| |
| // As update task completion happens before update evaluator failure caused by dispose, eventually job should succeeds |
| Assert.Equal(1, jobSuccess); |
| |
| CleanUp(testFolder); |
| } |
| |
| /// <summary> |
| /// This test is for the normal scenarios of IMRUDriver and IMRUTasks on yarn |
| /// </summary> |
| [Fact] |
| [Trait("Environment", "Yarn")] |
| public void TestExceptionInResultHandlerDisposerOnYarn() |
| { |
| int chunkSize = 2; |
| int dims = 10; |
| int iterations = 10; |
| int mapperMemory = 5120; |
| int updateTaskMemory = 5120; |
| int numTasks = 4; |
| int numberOfRetryInRecovery = 4; |
| TestBroadCastAndReduce(false, numTasks, chunkSize, dims, iterations, mapperMemory, updateTaskMemory, numberOfRetryInRecovery); |
| } |
| |
| /// <summary> |
| /// This method defines event handlers for driver. As default, it uses all the handlers defined in IMRUDriver. |
| /// </summary> |
| protected override IConfiguration DriverEventHandlerConfigurations<TMapInput, TMapOutput, TResult, TPartitionType>() |
| { |
| return REEF.Driver.DriverConfiguration.ConfigurationModule |
| .Set(REEF.Driver.DriverConfiguration.OnEvaluatorAllocated, |
| GenericType<IMRUDriver<TMapInput, TMapOutput, TResult, TPartitionType>>.Class) |
| .Set(REEF.Driver.DriverConfiguration.OnDriverStarted, |
| GenericType<IMRUDriver<TMapInput, TMapOutput, TResult, TPartitionType>>.Class) |
| .Set(REEF.Driver.DriverConfiguration.OnContextActive, |
| GenericType<IMRUDriver<TMapInput, TMapOutput, TResult, TPartitionType>>.Class) |
| .Set(REEF.Driver.DriverConfiguration.OnTaskCompleted, |
| GenericType<IMRUDriver<TMapInput, TMapOutput, TResult, TPartitionType>>.Class) |
| .Set(REEF.Driver.DriverConfiguration.OnEvaluatorFailed, |
| GenericType<IMRUDriver<TMapInput, TMapOutput, TResult, TPartitionType>>.Class) |
| .Set(REEF.Driver.DriverConfiguration.OnContextFailed, |
| GenericType<IMRUDriver<TMapInput, TMapOutput, TResult, TPartitionType>>.Class) |
| .Set(REEF.Driver.DriverConfiguration.OnTaskRunning, |
| GenericType<IMRUDriver<TMapInput, TMapOutput, TResult, TPartitionType>>.Class) |
| .Set(REEF.Driver.DriverConfiguration.OnTaskFailed, |
| GenericType<IMRUDriver<TMapInput, TMapOutput, TResult, TPartitionType>>.Class) |
| .Set(REEF.Driver.DriverConfiguration.CustomTraceLevel, TraceLevel.Info.ToString()) |
| .Build(); |
| } |
| |
| /// <summary> |
| /// Bind ResultHandlerWithException as IIMRUResultHandler |
| /// </summary> |
| protected override IConfiguration BuildResultHandlerConfig() |
| { |
| return TangFactory.GetTang().NewConfigurationBuilder() |
| .BindImplementation(GenericType<IIMRUResultHandler<int[]>>.Class, GenericType<ResultHandlerWithException<int[]>>.Class) |
| .Build(); |
| } |
| |
| /// <summary> |
| /// An implementation of IIMRUResultHandler that throws exception in Dispose() |
| /// </summary> |
| internal sealed class ResultHandlerWithException<TResult> : IIMRUResultHandler<TResult> |
| { |
| [Inject] |
| private ResultHandlerWithException() |
| { |
| } |
| |
| /// <summary> |
| /// Specifies how to handle the IMRU results from UpdateTask. Does nothing |
| /// </summary> |
| /// <param name="result">The result of IMRU</param> |
| public void HandleResult(TResult result) |
| { |
| } |
| |
| /// <summary> |
| /// Simulate exception |
| /// </summary> |
| public void Dispose() |
| { |
| Logger.Log(Level.Warning, "Simulate exception in ResultHandlerWithException.Dispose."); |
| throw new Exception("Exception from ResultHandlerWithException.Dispose()"); |
| } |
| } |
| } |
| } |