| /* |
| * 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.regionserver; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.Abortable; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.ipc.MasterFifoRpcScheduler; |
| import org.apache.hadoop.hbase.ipc.PriorityFunction; |
| import org.apache.hadoop.hbase.ipc.RpcScheduler; |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.apache.yetus.audience.InterfaceStability; |
| |
| /** |
| * Factory to use when you want to use the {@link MasterFifoRpcScheduler} |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public class MasterFifoRpcSchedulerFactory extends FifoRpcSchedulerFactory { |
| @Override |
| public RpcScheduler create(Configuration conf, PriorityFunction priority, Abortable server) { |
| int totalHandlerCount = conf.getInt(HConstants.REGION_SERVER_HANDLER_COUNT, |
| HConstants.DEFAULT_REGION_SERVER_HANDLER_COUNT); |
| int rsReportHandlerCount = Math.max(1, conf |
| .getInt(MasterFifoRpcScheduler.MASTER_SERVER_REPORT_HANDLER_COUNT, totalHandlerCount / 2)); |
| int callHandlerCount = Math.max(1, totalHandlerCount - rsReportHandlerCount); |
| return new MasterFifoRpcScheduler(conf, callHandlerCount, rsReportHandlerCount); |
| } |
| } |