content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.nacos.config.server.utils;
  
  /**
   * Thread util
   *
   * @author Nacos
   */
  public class ThreadUtil {
  
      /**
       * 通过内核数，算出合适的线程数；1.5-2倍cpu内核数
       *
       * @return thread count
       */
      public static int getSuitableThreadCount() {
          final int coreCount = Runtime.getRuntime().availableProcessors();
          int workerCount = 1;
          while (workerCount < coreCount * THREAD_MULTIPLER) {
              workerCount <<= 1;
          }
          return workerCount;
      }
  
      private final static int THREAD_MULTIPLER = 2;
  }
  