| /** |
| * 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 com.datatorrent.stram.engine; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.datatorrent.api.Context; |
| import com.datatorrent.api.DAG.Locality; |
| |
| import com.datatorrent.common.util.AsyncFSStorageAgent; |
| import com.datatorrent.stram.StramLocalCluster; |
| import com.datatorrent.stram.engine.ProcessingModeTests.CollectorOperator; |
| import com.datatorrent.stram.plan.logical.LogicalPlan; |
| |
| /** |
| * |
| */ |
| public class AtLeastOnceTest |
| { |
| private static final Logger logger = LoggerFactory.getLogger(AtLeastOnceTest.class); |
| |
| @Before |
| public void setup() throws IOException |
| { |
| StreamingContainer.eventloop.start(); |
| } |
| |
| @After |
| public void teardown() |
| { |
| StreamingContainer.eventloop.stop(); |
| |
| } |
| |
| @Test |
| public void testInputOperatorRecovery() throws Exception |
| { |
| RecoverableInputOperator.initGenTuples(); |
| CollectorOperator.collection.clear(); |
| int maxTuples = 30; |
| LogicalPlan dag = new LogicalPlan(); |
| String workingDir = new File("target/testInputOperatorRecovery").getAbsolutePath(); |
| AsyncFSStorageAgent asyncFSStorageAgent = new AsyncFSStorageAgent(workingDir, null); |
| asyncFSStorageAgent.setSyncCheckpoint(true); |
| dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, asyncFSStorageAgent); |
| dag.getAttributes().put(LogicalPlan.CHECKPOINT_WINDOW_COUNT, 2); |
| dag.getAttributes().put(LogicalPlan.STREAMING_WINDOW_SIZE_MILLIS, 300); |
| dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 1); |
| RecoverableInputOperator rip = dag.addOperator("LongGenerator", RecoverableInputOperator.class); |
| rip.setMaximumTuples(maxTuples); |
| rip.setSimulateFailure(true); |
| |
| CollectorOperator cm = dag.addOperator("LongCollector", CollectorOperator.class); |
| dag.addStream("connection", rip.output, cm.input); |
| |
| StramLocalCluster lc = new StramLocalCluster(dag); |
| lc.run(); |
| |
| Assert.assertEquals("Generated Outputs", maxTuples, CollectorOperator.collection.size()); |
| } |
| |
| @Test |
| public void testOperatorRecovery() throws Exception |
| { |
| RecoverableInputOperator.initGenTuples(); |
| CollectorOperator.collection.clear(); |
| int maxTuples = 30; |
| LogicalPlan dag = new LogicalPlan(); |
| String workingDir = new File("target/testOperatorRecovery").getAbsolutePath(); |
| AsyncFSStorageAgent asyncFSStorageAgent = new AsyncFSStorageAgent(workingDir, null); |
| asyncFSStorageAgent.setSyncCheckpoint(true); |
| dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, asyncFSStorageAgent); |
| dag.getAttributes().put(LogicalPlan.CHECKPOINT_WINDOW_COUNT, 2); |
| dag.getAttributes().put(LogicalPlan.STREAMING_WINDOW_SIZE_MILLIS, 300); |
| dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 1); |
| RecoverableInputOperator rip = dag.addOperator("LongGenerator", RecoverableInputOperator.class); |
| rip.setMaximumTuples(maxTuples); |
| rip.setSimulateFailure(true); |
| |
| CollectorOperator cm = dag.addOperator("LongCollector", CollectorOperator.class); |
| cm.setSimulateFailure(true); |
| dag.addStream("connection", rip.output, cm.input); |
| |
| StramLocalCluster lc = new StramLocalCluster(dag); |
| lc.run(); |
| |
| Assert.assertEquals("Generated Outputs", maxTuples, CollectorOperator.collection.size()); |
| } |
| |
| @Test |
| public void testInlineOperatorsRecovery() throws Exception |
| { |
| RecoverableInputOperator.initGenTuples(); |
| CollectorOperator.collection.clear(); |
| int maxTuples = 30; |
| LogicalPlan dag = new LogicalPlan(); |
| String workingDir = new File("target/testOperatorRecovery").getAbsolutePath(); |
| AsyncFSStorageAgent asyncFSStorageAgent = new AsyncFSStorageAgent(workingDir, null); |
| asyncFSStorageAgent.setSyncCheckpoint(true); |
| dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, asyncFSStorageAgent); |
| //dag.getAttributes().get(DAG.HEARTBEAT_INTERVAL_MILLIS, 400); |
| dag.getAttributes().put(LogicalPlan.CHECKPOINT_WINDOW_COUNT, 2); |
| dag.getAttributes().put(LogicalPlan.STREAMING_WINDOW_SIZE_MILLIS, 300); |
| dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 1); |
| RecoverableInputOperator rip = dag.addOperator("LongGenerator", RecoverableInputOperator.class); |
| rip.setMaximumTuples(maxTuples); |
| rip.setSimulateFailure(true); |
| |
| CollectorOperator cm = dag.addOperator("LongCollector", CollectorOperator.class); |
| cm.setSimulateFailure(true); |
| dag.addStream("connection", rip.output, cm.input).setLocality(Locality.CONTAINER_LOCAL); |
| |
| StramLocalCluster lc = new StramLocalCluster(dag); |
| lc.run(); |
| |
| // for (Long l: collection) { |
| // logger.debug(Codec.getStringWindowId(l)); |
| // } |
| Assert.assertEquals("Generated Outputs", maxTuples, CollectorOperator.collection.size()); |
| } |
| |
| } |