| package org.apache.helix.integration.task; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.task.JobConfig; |
| import org.apache.helix.task.JobQueue; |
| import org.apache.helix.task.TaskConfig; |
| import org.apache.helix.task.WorkflowConfig; |
| import org.apache.helix.tools.ClusterVerifiers.ClusterLiveNodesVerifier; |
| import org.testng.Assert; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| public class TestTaskRebalancerParallel extends TaskTestBase { |
| final int PARALLEL_COUNT = 2; |
| final int TASK_COUNT = 30; |
| |
| @BeforeClass |
| public void beforeClass() throws Exception { |
| _numDbs = 4; |
| _partitionVary = false; |
| super.beforeClass(); |
| } |
| |
| /** |
| * This test starts 4 jobs in job queue, the job all stuck, and verify that |
| * (1) the number of running job does not exceed configured max allowed parallel jobs |
| * (2) one instance can only be assigned to one job in the workflow |
| */ |
| @Test |
| public void testWhenDisallowOverlapJobAssignment() throws Exception { |
| String queueName = TestHelper.getTestMethodName(); |
| |
| WorkflowConfig.Builder cfgBuilder = new WorkflowConfig.Builder(queueName); |
| cfgBuilder.setParallelJobs(PARALLEL_COUNT); |
| cfgBuilder.setAllowOverlapJobAssignment(false); |
| |
| JobQueue.Builder queueBuild = |
| new JobQueue.Builder(queueName).setWorkflowConfig(cfgBuilder.build()); |
| JobQueue queue = queueBuild.build(); |
| _driver.createQueue(queue); |
| |
| List<JobConfig.Builder> jobConfigBuilders = new ArrayList<JobConfig.Builder>(); |
| for (String testDbName : _testDbs) { |
| jobConfigBuilders.add( |
| new JobConfig.Builder().setCommand(MockTask.TASK_COMMAND).setTargetResource(testDbName) |
| .setTargetPartitionStates(Collections.singleton("SLAVE")) |
| .setJobCommandConfigMap(Collections.singletonMap(MockTask.JOB_DELAY, "1000"))); |
| } |
| |
| _driver.stop(queueName); |
| for (int i = 0; i < jobConfigBuilders.size(); ++i) { |
| _driver.enqueueJob(queueName, "job_" + (i + 1), jobConfigBuilders.get(i)); |
| } |
| _driver.resume(queueName); |
| Thread.sleep(1000L); |
| Assert.assertTrue(TaskTestUtil.pollForWorkflowParallelState(_driver, queueName)); |
| } |
| |
| /** |
| * This test starts 4 jobs in job queue, the job all stuck, and verify that |
| * (1) the number of running job does not exceed configured max allowed parallel jobs |
| * (2) one instance can be assigned to multiple jobs in the workflow when allow overlap assignment |
| */ |
| @Test (dependsOnMethods = {"testWhenDisallowOverlapJobAssignment"}) |
| public void testWhenAllowOverlapJobAssignment() throws Exception { |
| // Disable all participants except one to enforce all assignment to be on one host |
| for (int i = 1; i < _numNodes; i++) { |
| _participants[i].syncStop(); |
| } |
| ClusterLiveNodesVerifier verifier = new ClusterLiveNodesVerifier(_gZkClient, CLUSTER_NAME, |
| Collections.singletonList(_participants[0].getInstanceName())); |
| Assert.assertTrue(verifier.verifyByPolling()); |
| |
| String queueName = TestHelper.getTestMethodName(); |
| |
| WorkflowConfig.Builder cfgBuilder = new WorkflowConfig.Builder(queueName); |
| cfgBuilder.setParallelJobs(PARALLEL_COUNT); |
| cfgBuilder.setAllowOverlapJobAssignment(true); |
| |
| JobQueue.Builder queueBuild = new JobQueue.Builder(queueName).setWorkflowConfig(cfgBuilder.build()); |
| JobQueue queue = queueBuild.build(); |
| _driver.createQueue(queue); |
| |
| // Create jobs that can be assigned to any instances |
| List<JobConfig.Builder> jobConfigBuilders = new ArrayList<JobConfig.Builder>(); |
| for (int i = 0; i < PARALLEL_COUNT; i++) { |
| List<TaskConfig> taskConfigs = new ArrayList<TaskConfig>(); |
| for (int j = 0; j < TASK_COUNT; j++) { |
| taskConfigs.add(new TaskConfig.Builder().setTaskId("job_" + (i + 1) + "_task_" + j) |
| .setCommand(MockTask.TASK_COMMAND).build()); |
| } |
| jobConfigBuilders.add(new JobConfig.Builder().addTaskConfigs(taskConfigs)); |
| } |
| |
| _driver.stop(queueName); |
| for (int i = 0; i < jobConfigBuilders.size(); ++i) { |
| _driver.enqueueJob(queueName, "job_" + (i + 1), jobConfigBuilders.get(i)); |
| } |
| _driver.resume(queueName); |
| Thread.sleep(2000); |
| Assert.assertTrue(TaskTestUtil.pollForWorkflowParallelState(_driver, queueName)); |
| } |
| } |