lokeshj1703 commented on a change in pull request #1318: HDDS-1753. Datanode unable to find chunk while replication data using ratis. URL: https://github.com/apache/hadoop/pull/1318#discussion_r316220310
########## File path: hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestDeleteWithSlowFollower.java ########## @@ -0,0 +1,274 @@ +/** + * 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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.hadoop.ozone.client.rpc; + +import org.apache.hadoop.hdds.client.BlockID; +import org.apache.hadoop.hdds.client.ReplicationFactor; +import org.apache.hadoop.hdds.client.ReplicationType; +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos; +import org.apache.hadoop.hdds.protocol.proto.HddsProtos; +import org.apache.hadoop.hdds.scm.ScmConfigKeys; +import org.apache.hadoop.hdds.scm.XceiverClientManager; +import org.apache.hadoop.hdds.scm.XceiverClientSpi; +import org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException; +import org.apache.hadoop.hdds.scm.pipeline.Pipeline; +import org.apache.hadoop.ozone.HddsDatanodeService; +import org.apache.hadoop.ozone.MiniOzoneCluster; +import org.apache.hadoop.ozone.OzoneConfigKeys; +import org.apache.hadoop.ozone.client.ObjectStore; +import org.apache.hadoop.ozone.client.OzoneClient; +import org.apache.hadoop.ozone.client.OzoneClientFactory; +import org.apache.hadoop.ozone.client.io.KeyOutputStream; +import org.apache.hadoop.ozone.client.io.OzoneOutputStream; +import org.apache.hadoop.ozone.container.ContainerTestHelper; +import org.apache.hadoop.ozone.container.common.helpers.BlockData; +import org.apache.hadoop.ozone.container.common.helpers.ChunkInfo; +import org.apache.hadoop.ozone.container.common.interfaces.Container; +import org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine; +import org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine; +import org.apache.hadoop.ozone.container.keyvalue.KeyValueContainerData; +import org.apache.hadoop.ozone.container.keyvalue.KeyValueHandler; +import org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer; +import org.apache.hadoop.ozone.om.helpers.OmKeyArgs; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo; +import org.apache.hadoop.test.GenericTestUtils; +import org.junit.AfterClass; +import org.junit.Assert; +import org.junit.BeforeClass; +import org.junit.Test; + +import java.io.File; +import java.io.IOException; +import java.util.HashMap; +import java.util.List; +import java.util.concurrent.TimeUnit; + +import static org.apache.hadoop.hdds.HddsConfigKeys.HDDS_COMMAND_STATUS_REPORT_INTERVAL; +import static org.apache.hadoop.hdds.HddsConfigKeys.HDDS_CONTAINER_REPORT_INTERVAL; +import static org.apache.hadoop.hdds.scm.ScmConfigKeys.HDDS_SCM_WATCHER_TIMEOUT; +import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_PIPELINE_DESTROY_TIMEOUT; +import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_STALENODE_INTERVAL; + +/** + * Tests delete key operation with a slow follower in the datanode + * pipeline. + */ +public class TestDeleteWithSlowFollower { + + private static MiniOzoneCluster cluster; + private static OzoneConfiguration conf; + private static OzoneClient client; + private static ObjectStore objectStore; + private static String volumeName; + private static String bucketName; + private static String path; + private static XceiverClientManager xceiverClientManager; + + /** + * Create a MiniDFSCluster for testing. + * + * @throws IOException + */ + @BeforeClass + public static void init() throws Exception { + conf = new OzoneConfiguration(); + path = GenericTestUtils + .getTempPath(TestContainerStateMachineFailures.class.getSimpleName()); + File baseDir = new File(path); + baseDir.mkdirs(); + + conf.setTimeDuration(HDDS_CONTAINER_REPORT_INTERVAL, 200, + TimeUnit.MILLISECONDS); + conf.setTimeDuration(HDDS_COMMAND_STATUS_REPORT_INTERVAL, 200, + TimeUnit.MILLISECONDS); + conf.setTimeDuration(HDDS_SCM_WATCHER_TIMEOUT, 1000, TimeUnit.MILLISECONDS); + conf.setTimeDuration(OZONE_SCM_STALENODE_INTERVAL, 1000, TimeUnit.SECONDS); + conf.setTimeDuration(ScmConfigKeys.OZONE_SCM_DEADNODE_INTERVAL, 2000, + TimeUnit.SECONDS); + conf.setTimeDuration(OZONE_SCM_PIPELINE_DESTROY_TIMEOUT, 1000, + TimeUnit.SECONDS); + conf.setTimeDuration(OzoneConfigKeys.DFS_RATIS_SERVER_FAILURE_DURATION_KEY, + 1000, TimeUnit.SECONDS); + conf.setTimeDuration(OzoneConfigKeys.OZONE_BLOCK_DELETING_SERVICE_INTERVAL, + 1, TimeUnit.SECONDS); + /* conf.setTimeDuration( + OzoneConfigKeys.DFS_RATIS_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_KEY, + 1, TimeUnit.SECONDS);*/ + + conf.setQuietMode(false); + cluster = + MiniOzoneCluster.newBuilder(conf).setNumDatanodes(3).setHbInterval(100) + .build(); + cluster.waitForClusterToBeReady(); + //the easiest way to create an open container is creating a key + client = OzoneClientFactory.getClient(conf); + objectStore = client.getObjectStore(); + xceiverClientManager = new XceiverClientManager(conf); + volumeName = "testcontainerstatemachinefailures"; + bucketName = volumeName; + objectStore.createVolume(volumeName); + objectStore.getVolume(volumeName).createBucket(bucketName); + } + + /** + * Shutdown MiniDFSCluster. + */ + @AfterClass + public static void shutdown() { + if (cluster != null) { + cluster.shutdown(); + } + } + + @Test + public void testDeleteKeyWithSlowFollower() throws Exception { Review comment: Can we please add some utility functions and comments for clarity? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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