| /* |
| * 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 org.apache.tinkerpop.gremlin.giraph.process.computer; |
| |
| import org.apache.giraph.conf.GiraphConstants; |
| import org.apache.tinkerpop.gremlin.GraphProvider; |
| import org.apache.tinkerpop.gremlin.LoadGraphWith; |
| import org.apache.tinkerpop.gremlin.hadoop.HadoopGraphProvider; |
| import org.apache.tinkerpop.gremlin.process.computer.GraphComputer; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; |
| import org.apache.tinkerpop.gremlin.structure.Graph; |
| |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| */ |
| @GraphProvider.Descriptor(computer = GiraphGraphComputer.class) |
| public final class GiraphHadoopGraphProvider extends HadoopGraphProvider { |
| |
| @Override |
| public Map<String, Object> getBaseConfiguration(final String graphName, final Class<?> test, final String testMethodName, final LoadGraphWith.GraphData loadGraphWith) { |
| final Map<String, Object> config = super.getBaseConfiguration(graphName, test, testMethodName, loadGraphWith); |
| config.put("mapreduce.job.reduces", 2); |
| /// giraph configuration |
| config.put(GiraphConstants.LOCAL_TEST_MODE.getKey(), true); // local testing can only spawn one worker |
| config.put(GiraphConstants.MIN_WORKERS, 1); |
| config.put(GiraphConstants.MAX_WORKERS, 1); |
| config.put(GiraphConstants.SPLIT_MASTER_WORKER.getKey(), false); |
| config.put(GiraphConstants.ZOOKEEPER_IS_EXTERNAL.getKey(), false); |
| config.put(GiraphConstants.NETTY_SERVER_USE_EXECUTION_HANDLER.getKey(), false); // this prevents so many integration tests running out of threads |
| config.put(GiraphConstants.NETTY_CLIENT_USE_EXECUTION_HANDLER.getKey(), false); // this prevents so many integration tests running out of threads |
| config.put(GiraphConstants.NETTY_USE_DIRECT_MEMORY.getKey(), true); |
| config.put(GiraphConstants.NUM_INPUT_THREADS.getKey(), 2); |
| config.put(GiraphConstants.NUM_COMPUTE_THREADS.getKey(), 2); |
| config.put(GiraphConstants.MAX_MASTER_SUPERSTEP_WAIT_MSECS.getKey(), TimeUnit.MINUTES.toMillis(60L)); |
| config.put(GiraphConstants.VERTEX_OUTPUT_FORMAT_THREAD_SAFE.getKey(), false); |
| config.put(GiraphConstants.NUM_OUTPUT_THREADS.getKey(), 1); |
| return config; |
| } |
| |
| @Override |
| public GraphTraversalSource traversal(final Graph graph) { |
| return graph.traversal().withComputer(GiraphGraphComputer.class); |
| } |
| |
| @Override |
| public GraphComputer getGraphComputer(final Graph graph) { |
| return graph.compute(GiraphGraphComputer.class); |
| } |
| } |