myriad-commons/src/main/java/org/apache/myriad/executor/MyriadExecutorDefaults.java

/**
 * 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.myriad.executor;

/**
 * Myriad's Executor Defaults
 */
public class MyriadExecutorDefaults {
  public static final String ENV_YARN_NODEMANAGER_OPTS = "YARN_NODEMANAGER_OPTS";

  /**
   * YARN container executor class.
   */
  public static final String KEY_YARN_NM_CONTAINER_EXECUTOR_CLASS = "yarn.nodemanager.container-executor.class";

  public static final String VAL_YARN_NM_CONTAINER_EXECUTOR_CLASS =
      "org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor";

  public static final String DEFAULT_YARN_NM_CONTAINER_EXECUTOR_CLASS =
      "org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor";

  /**
   * Allot 10% more memory to account for JVM overhead.
   */
  public static final double JVM_OVERHEAD = 0.1;

  /**
   * Default -Xmx for executor JVM.
   */

  public static final double DEFAULT_JVM_MAX_MEMORY_MB = 256;
  /**
   * Default CPU cores for executor JVM.
   */
  public static final double DEFAULT_CPUS = 0.2;
}