| /* |
| * 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.hadoop.hbase.thrift; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.thrift.server.TThreadedSelectorServer; |
| import org.apache.thrift.transport.TNonblockingServerTransport; |
| |
| /** |
| * A TThreadedSelectorServer.Args that reads hadoop configuration |
| */ |
| @InterfaceAudience.Private |
| public class HThreadedSelectorServerArgs extends TThreadedSelectorServer.Args { |
| private static final Log LOG = LogFactory.getLog(TThreadedSelectorServer.class); |
| |
| /** |
| * Number of selector threads for reading and writing socket |
| */ |
| public static final String SELECTOR_THREADS_CONF_KEY = |
| "hbase.thrift.selector.threads"; |
| |
| /** |
| * Number fo threads for processing the thrift calls |
| */ |
| public static final String WORKER_THREADS_CONF_KEY = |
| "hbase.thrift.worker.threads"; |
| |
| /** |
| * Time to wait for server to stop gracefully |
| */ |
| public static final String STOP_TIMEOUT_CONF_KEY = |
| "hbase.thrift.stop.timeout.seconds"; |
| |
| /** |
| * Maximum number of accepted elements per selector |
| */ |
| public static final String ACCEPT_QUEUE_SIZE_PER_THREAD_CONF_KEY = |
| "hbase.thrift.accept.queue.size.per.selector"; |
| |
| /** |
| * The strategy for handling new accepted connections. |
| */ |
| public static final String ACCEPT_POLICY_CONF_KEY = |
| "hbase.thrift.accept.policy"; |
| |
| public HThreadedSelectorServerArgs( |
| TNonblockingServerTransport transport, Configuration conf) { |
| super(transport); |
| readConf(conf); |
| } |
| |
| private void readConf(Configuration conf) { |
| int selectorThreads = conf.getInt( |
| SELECTOR_THREADS_CONF_KEY, getSelectorThreads()); |
| int workerThreads = conf.getInt( |
| WORKER_THREADS_CONF_KEY, getWorkerThreads()); |
| int stopTimeoutVal = conf.getInt( |
| STOP_TIMEOUT_CONF_KEY, getStopTimeoutVal()); |
| int acceptQueueSizePerThread = conf.getInt( |
| ACCEPT_QUEUE_SIZE_PER_THREAD_CONF_KEY, getAcceptQueueSizePerThread()); |
| AcceptPolicy acceptPolicy = AcceptPolicy.valueOf(conf.get( |
| ACCEPT_POLICY_CONF_KEY, getAcceptPolicy().toString()).toUpperCase()); |
| |
| super.selectorThreads(selectorThreads) |
| .workerThreads(workerThreads) |
| .stopTimeoutVal(stopTimeoutVal) |
| .acceptQueueSizePerThread(acceptQueueSizePerThread) |
| .acceptPolicy(acceptPolicy); |
| |
| LOG.info("Read configuration selectorThreads:" + selectorThreads + |
| " workerThreads:" + workerThreads + |
| " stopTimeoutVal:" + stopTimeoutVal + "sec" + |
| " acceptQueueSizePerThread:" + acceptQueueSizePerThread + |
| " acceptPolicy:" + acceptPolicy); |
| } |
| } |