ChenSammi commented on a change in pull request #291: HDDS-1574 Average out pipeline allocation on datanodes and add metrcs/test URL: https://github.com/apache/hadoop-ozone/pull/291#discussion_r355821399
########## File path: hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestPipelineDatanodesIntersection.java ########## @@ -0,0 +1,121 @@ +/* + * 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.hdds.scm.pipeline; + +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.hdds.protocol.proto.HddsProtos; +import org.apache.hadoop.hdds.scm.container.MockNodeManager; +import org.apache.hadoop.hdds.scm.exceptions.SCMException; +import org.apache.hadoop.hdds.scm.node.NodeManager; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; + +import java.io.IOException; +import java.util.Arrays; +import java.util.Collection; +import java.util.List; + +import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_DATANODE_MAX_PIPELINE_ENGAGEMENT; +import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_PIPELINE_AUTO_CREATE_FACTOR_ONE; + +/** + * Test for pipeline datanodes intersection. + */ +@RunWith(Parameterized.class) +public class TestPipelineDatanodesIntersection { + private int nodeCount; + private int nodeHeaviness; + private OzoneConfiguration conf; + private boolean end; + + @Before + public void initialize() { + conf = new OzoneConfiguration(); + end = false; + } + + public TestPipelineDatanodesIntersection(int nodeCount, int nodeHeaviness) { + this.nodeCount = nodeCount; + this.nodeHeaviness = nodeHeaviness; + } + + @Parameterized.Parameters + public static Collection inputParams() { + return Arrays.asList(new Object[][] { + {4, 5}, + {10, 5}, + {100, 10} + }); + } + + @Test + public void testPipelineDatanodesIntersection() { + NodeManager nodeManager= new MockNodeManager(true, nodeCount); + conf.setInt(OZONE_DATANODE_MAX_PIPELINE_ENGAGEMENT, nodeHeaviness); + conf.setBoolean(OZONE_SCM_PIPELINE_AUTO_CREATE_FACTOR_ONE, false); + PipelineStateManager stateManager = new PipelineStateManager(conf); + PipelineProvider provider = new MockRatisPipelineProvider(nodeManager, + stateManager, conf); + + int healthyNodeCount = nodeManager + .getNodeCount(HddsProtos.NodeState.HEALTHY); + int intersectionCount = 0; + int createdPipelineCount = 0; + while (!end && createdPipelineCount <= healthyNodeCount * nodeHeaviness) { + try { + Pipeline pipeline = provider.create(HddsProtos.ReplicationFactor.THREE); + stateManager.addPipeline(pipeline); + nodeManager.addPipeline(pipeline); + if (RatisPipelineUtils.checkPipelineContainSameDatanodes( + stateManager, pipeline) != null){ + intersectionCount++; + } + createdPipelineCount++; + } catch(SCMException e) { + end = true; + } catch (IOException e) { + end = true; + // Should not throw regular IOException. + Assert.fail(); + } + } + + end = false; + + System.out.println("Among total " + + stateManager.getPipelines(HddsProtos.ReplicationType.RATIS, + HddsProtos.ReplicationFactor.THREE).size() + " created pipelines" + + " with " + healthyNodeCount + " healthy datanodes and " + + nodeHeaviness + " as node heaviness, " + + intersectionCount + " pipelines has same set of datanodes."); + } + + private boolean checkPipelineContainSameDatanodes( Review comment: not used. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: ozone-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: ozone-issues-h...@hadoop.apache.org
