Beispiel #1
0
 private String buildContainerCommand(Container container, String helixInstanceName) {
   String containerProcessName = GobblinYarnTaskRunner.class.getSimpleName();
   return new StringBuilder()
       .append(ApplicationConstants.Environment.JAVA_HOME.$())
       .append("/bin/java")
       .append(" -Xmx")
       .append(container.getResource().getMemory())
       .append("M")
       .append(" ")
       .append(this.containerJvmArgs.or(""))
       .append(" ")
       .append(GobblinYarnTaskRunner.class.getName())
       .append(" --")
       .append(GobblinClusterConfigurationKeys.APPLICATION_NAME_OPTION_NAME)
       .append(" ")
       .append(this.applicationName)
       .append(" --")
       .append(GobblinClusterConfigurationKeys.HELIX_INSTANCE_NAME_OPTION_NAME)
       .append(" ")
       .append(helixInstanceName)
       .append(" 1>")
       .append(ApplicationConstants.LOG_DIR_EXPANSION_VAR)
       .append(File.separator)
       .append(containerProcessName)
       .append(".")
       .append(ApplicationConstants.STDOUT)
       .append(" 2>")
       .append(ApplicationConstants.LOG_DIR_EXPANSION_VAR)
       .append(File.separator)
       .append(containerProcessName)
       .append(".")
       .append(ApplicationConstants.STDERR)
       .toString();
 }
  /**
   * This method writes out the launch environment of a container. This can be overridden by
   * extending ContainerExecutors to provide different behaviors
   *
   * @param out the output stream to which the environment is written (usually a script file which
   *     will be executed by the Launcher)
   * @param environment The environment variables and their values
   * @param resources The resources which have been localized for this container Symlinks will be
   *     created to these localized resources
   * @param command The command that will be run.
   * @throws IOException if any errors happened writing to the OutputStream, while creating symlinks
   */
  public void writeLaunchEnv(
      OutputStream out,
      Map<String, String> environment,
      Map<Path, List<String>> resources,
      List<String> command)
      throws IOException {
    ContainerLaunch.ShellScriptBuilder sb = ContainerLaunch.ShellScriptBuilder.create();
    Set<String> whitelist = new HashSet<String>();
    whitelist.add(YarnConfiguration.NM_DOCKER_CONTAINER_EXECUTOR_IMAGE_NAME);
    whitelist.add(ApplicationConstants.Environment.HADOOP_YARN_HOME.name());
    whitelist.add(ApplicationConstants.Environment.HADOOP_COMMON_HOME.name());
    whitelist.add(ApplicationConstants.Environment.HADOOP_HDFS_HOME.name());
    whitelist.add(ApplicationConstants.Environment.HADOOP_CONF_DIR.name());
    whitelist.add(ApplicationConstants.Environment.JAVA_HOME.name());
    if (environment != null) {
      for (Map.Entry<String, String> env : environment.entrySet()) {
        if (!whitelist.contains(env.getKey())) {
          sb.env(env.getKey().toString(), env.getValue().toString());
        } else {
          sb.whitelistedEnv(env.getKey().toString(), env.getValue().toString());
        }
      }
    }
    if (resources != null) {
      for (Map.Entry<Path, List<String>> entry : resources.entrySet()) {
        for (String linkName : entry.getValue()) {
          sb.symlink(entry.getKey(), new Path(linkName));
        }
      }
    }

    sb.command(command);

    PrintStream pout = null;
    try {
      pout = new PrintStream(out, false, "UTF-8");
      sb.write(pout);
    } finally {
      if (out != null) {
        out.close();
      }
    }
  }
@Public
@Evolving
public class YarnConfiguration extends Configuration {

  private static final Joiner JOINER = Joiner.on("");

  private static final String YARN_DEFAULT_XML_FILE = "yarn-default.xml";
  private static final String YARN_SITE_XML_FILE = "yarn-site.xml";

  static {
    Configuration.addDefaultResource(YARN_DEFAULT_XML_FILE);
    Configuration.addDefaultResource(YARN_SITE_XML_FILE);
  }

  // Configurations

  public static final String YARN_PREFIX = "yarn.";

  /** Delay before deleting resource to ease debugging of NM issues */
  public static final String DEBUG_NM_DELETE_DELAY_SEC =
      YarnConfiguration.NM_PREFIX + "delete.debug-delay-sec";

  ////////////////////////////////
  // IPC Configs
  ////////////////////////////////
  public static final String IPC_PREFIX = YARN_PREFIX + "ipc.";

  /** Factory to create client IPC classes. */
  public static final String IPC_CLIENT_FACTORY_CLASS = IPC_PREFIX + "client.factory.class";

  public static final String DEFAULT_IPC_CLIENT_FACTORY_CLASS =
      "org.apache.hadoop.yarn.factories.impl.pb.RpcClientFactoryPBImpl";

  /** Factory to create server IPC classes. */
  public static final String IPC_SERVER_FACTORY_CLASS = IPC_PREFIX + "server.factory.class";

  public static final String DEFAULT_IPC_SERVER_FACTORY_CLASS =
      "org.apache.hadoop.yarn.factories.impl.pb.RpcServerFactoryPBImpl";

  /** Factory to create serializeable records. */
  public static final String IPC_RECORD_FACTORY_CLASS = IPC_PREFIX + "record.factory.class";

  public static final String DEFAULT_IPC_RECORD_FACTORY_CLASS =
      "org.apache.hadoop.yarn.factories.impl.pb.RecordFactoryPBImpl";

  /** RPC class implementation */
  public static final String IPC_RPC_IMPL = IPC_PREFIX + "rpc.class";

  public static final String DEFAULT_IPC_RPC_IMPL = "org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC";

  ////////////////////////////////
  // Resource Manager Configs
  ////////////////////////////////
  public static final String RM_PREFIX = "yarn.resourcemanager.";

  /** The address of the applications manager interface in the RM. */
  public static final String RM_ADDRESS = RM_PREFIX + "address";

  public static final int DEFAULT_RM_PORT = 8032;
  public static final String DEFAULT_RM_ADDRESS = "0.0.0.0:" + DEFAULT_RM_PORT;

  /** The number of threads used to handle applications manager requests. */
  public static final String RM_CLIENT_THREAD_COUNT = RM_PREFIX + "client.thread-count";

  public static final int DEFAULT_RM_CLIENT_THREAD_COUNT = 50;

  /** The Kerberos principal for the resource manager. */
  public static final String RM_PRINCIPAL = RM_PREFIX + "principal";

  /** The address of the scheduler interface. */
  public static final String RM_SCHEDULER_ADDRESS = RM_PREFIX + "scheduler.address";

  public static final int DEFAULT_RM_SCHEDULER_PORT = 8030;
  public static final String DEFAULT_RM_SCHEDULER_ADDRESS = "0.0.0.0:" + DEFAULT_RM_SCHEDULER_PORT;

  /** Miniumum request grant-able by the RM scheduler. */
  public static final String RM_SCHEDULER_MINIMUM_ALLOCATION_MB =
      YARN_PREFIX + "scheduler.minimum-allocation-mb";

  public static final int DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB = 1024;
  public static final String RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES =
      YARN_PREFIX + "scheduler.minimum-allocation-vcores";
  public static final int DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES = 1;

  // add by lism
  public static final String RM_SCHEDULER_MINIMUM_ALLOCATION_GPU_CORES =
      YARN_PREFIX + "scheduler.minimum-allocation-gpu-cores";
  public static final int DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_GPU_CORES = 1;
  // end add

  /** Maximum request grant-able by the RM scheduler. */
  public static final String RM_SCHEDULER_MAXIMUM_ALLOCATION_MB =
      YARN_PREFIX + "scheduler.maximum-allocation-mb";

  public static final int DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB = 8192;
  public static final String RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES =
      YARN_PREFIX + "scheduler.maximum-allocation-vcores";
  public static final int DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES = 4;

  // add by lism
  public static final String RM_SCHEDULER_MAXIMUM_ALLOCATION_GPU_CORES =
      YARN_PREFIX + "scheduler.maximum-allocation-gpu-cores";
  public static final int DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_GPU_CORES = 4;
  // end add

  /** Number of threads to handle scheduler interface. */
  public static final String RM_SCHEDULER_CLIENT_THREAD_COUNT =
      RM_PREFIX + "scheduler.client.thread-count";

  public static final int DEFAULT_RM_SCHEDULER_CLIENT_THREAD_COUNT = 50;

  /**
   * Enable periodic monitor threads.
   *
   * @see #RM_SCHEDULER_MONITOR_POLICIES
   */
  public static final String RM_SCHEDULER_ENABLE_MONITORS = RM_PREFIX + "scheduler.monitor.enable";

  public static final boolean DEFAULT_RM_SCHEDULER_ENABLE_MONITORS = false;

  /** List of SchedulingEditPolicy classes affecting the scheduler. */
  public static final String RM_SCHEDULER_MONITOR_POLICIES =
      RM_PREFIX + "scheduler.monitor.policies";

  /** The address of the RM web application. */
  public static final String RM_WEBAPP_ADDRESS = RM_PREFIX + "webapp.address";

  public static final int DEFAULT_RM_WEBAPP_PORT = 8088;
  public static final String DEFAULT_RM_WEBAPP_ADDRESS = "0.0.0.0:" + DEFAULT_RM_WEBAPP_PORT;

  public static final String RM_RESOURCE_TRACKER_ADDRESS = RM_PREFIX + "resource-tracker.address";
  public static final int DEFAULT_RM_RESOURCE_TRACKER_PORT = 8031;
  public static final String DEFAULT_RM_RESOURCE_TRACKER_ADDRESS =
      "0.0.0.0:" + DEFAULT_RM_RESOURCE_TRACKER_PORT;

  /** The expiry interval for application master reporting. */
  public static final String RM_AM_EXPIRY_INTERVAL_MS =
      YARN_PREFIX + "am.liveness-monitor.expiry-interval-ms";

  public static final int DEFAULT_RM_AM_EXPIRY_INTERVAL_MS = 600000;

  /** How long to wait until a node manager is considered dead. */
  public static final String RM_NM_EXPIRY_INTERVAL_MS =
      YARN_PREFIX + "nm.liveness-monitor.expiry-interval-ms";

  public static final int DEFAULT_RM_NM_EXPIRY_INTERVAL_MS = 600000;

  /** Are acls enabled. */
  public static final String YARN_ACL_ENABLE = YARN_PREFIX + "acl.enable";

  public static final boolean DEFAULT_YARN_ACL_ENABLE = false;

  /** ACL of who can be admin of YARN cluster. */
  public static final String YARN_ADMIN_ACL = YARN_PREFIX + "admin.acl";

  public static final String DEFAULT_YARN_ADMIN_ACL = "*";

  /** ACL used in case none is found. Allows nothing. */
  public static final String DEFAULT_YARN_APP_ACL = " ";

  /** The address of the RM admin interface. */
  public static final String RM_ADMIN_ADDRESS = RM_PREFIX + "admin.address";

  public static final int DEFAULT_RM_ADMIN_PORT = 8033;
  public static final String DEFAULT_RM_ADMIN_ADDRESS = "0.0.0.0:" + DEFAULT_RM_ADMIN_PORT;

  /** Number of threads used to handle RM admin interface. */
  public static final String RM_ADMIN_CLIENT_THREAD_COUNT = RM_PREFIX + "admin.client.thread-count";

  public static final int DEFAULT_RM_ADMIN_CLIENT_THREAD_COUNT = 1;

  /**
   * The maximum number of application attempts. It's a global setting for all application masters.
   */
  public static final String RM_AM_MAX_ATTEMPTS = RM_PREFIX + "am.max-attempts";

  public static final int DEFAULT_RM_AM_MAX_ATTEMPTS = 2;

  /** The keytab for the resource manager. */
  public static final String RM_KEYTAB = RM_PREFIX + "keytab";

  /** How long to wait until a container is considered dead. */
  public static final String RM_CONTAINER_ALLOC_EXPIRY_INTERVAL_MS =
      RM_PREFIX + "rm.container-allocation.expiry-interval-ms";

  public static final int DEFAULT_RM_CONTAINER_ALLOC_EXPIRY_INTERVAL_MS = 600000;

  /** Path to file with nodes to include. */
  public static final String RM_NODES_INCLUDE_FILE_PATH = RM_PREFIX + "nodes.include-path";

  public static final String DEFAULT_RM_NODES_INCLUDE_FILE_PATH = "";

  /** Path to file with nodes to exclude. */
  public static final String RM_NODES_EXCLUDE_FILE_PATH = RM_PREFIX + "nodes.exclude-path";

  public static final String DEFAULT_RM_NODES_EXCLUDE_FILE_PATH = "";

  /** Number of threads to handle resource tracker calls. */
  public static final String RM_RESOURCE_TRACKER_CLIENT_THREAD_COUNT =
      RM_PREFIX + "resource-tracker.client.thread-count";

  public static final int DEFAULT_RM_RESOURCE_TRACKER_CLIENT_THREAD_COUNT = 50;

  /** The class to use as the resource scheduler. */
  public static final String RM_SCHEDULER = RM_PREFIX + "scheduler.class";

  public static final String DEFAULT_RM_SCHEDULER =
      "org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler";

  /** RM set next Heartbeat interval for NM */
  public static final String RM_NM_HEARTBEAT_INTERVAL_MS =
      RM_PREFIX + "nodemanagers.heartbeat-interval-ms";

  public static final long DEFAULT_RM_NM_HEARTBEAT_INTERVAL_MS = 1000;

  // Delegation token related keys
  public static final String DELEGATION_KEY_UPDATE_INTERVAL_KEY =
      RM_PREFIX + "delegation.key.update-interval";
  public static final long DELEGATION_KEY_UPDATE_INTERVAL_DEFAULT = 24 * 60 * 60 * 1000; // 1 day
  public static final String DELEGATION_TOKEN_RENEW_INTERVAL_KEY =
      RM_PREFIX + "delegation.token.renew-interval";
  public static final long DELEGATION_TOKEN_RENEW_INTERVAL_DEFAULT = 24 * 60 * 60 * 1000; // 1 day
  public static final String DELEGATION_TOKEN_MAX_LIFETIME_KEY =
      RM_PREFIX + "delegation.token.max-lifetime";
  public static final long DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT =
      7 * 24 * 60 * 60 * 1000; // 7 days

  public static final String RECOVERY_ENABLED = RM_PREFIX + "recovery.enabled";
  public static final boolean DEFAULT_RM_RECOVERY_ENABLED = false;

  /** The class to use as the persistent store. */
  public static final String RM_STORE = RM_PREFIX + "store.class";

  /** URI for FileSystemRMStateStore */
  public static final String FS_RM_STATE_STORE_URI = RM_PREFIX + "fs.state-store.uri";

  /** The maximum number of completed applications RM keeps. */
  public static final String RM_MAX_COMPLETED_APPLICATIONS =
      RM_PREFIX + "max-completed-applications";

  public static final int DEFAULT_RM_MAX_COMPLETED_APPLICATIONS = 10000;

  /** Default application name */
  public static final String DEFAULT_APPLICATION_NAME = "N/A";

  /** Default application type */
  public static final String DEFAULT_APPLICATION_TYPE = "YARN";

  /** Default application type length */
  public static final int APPLICATION_TYPE_LENGTH = 20;

  /** Default queue name */
  public static final String DEFAULT_QUEUE_NAME = "default";

  /** Buckets (in minutes) for the number of apps running in each queue. */
  public static final String RM_METRICS_RUNTIME_BUCKETS = RM_PREFIX + "metrics.runtime.buckets";

  /** Default sizes of the runtime metric buckets in minutes. */
  public static final String DEFAULT_RM_METRICS_RUNTIME_BUCKETS = "60,300,1440";

  public static final String RM_AMRM_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS =
      RM_PREFIX + "am-rm-tokens.master-key-rolling-interval-secs";

  public static final long DEFAULT_RM_AMRM_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS = 24 * 60 * 60;

  public static final String RM_CONTAINER_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS =
      RM_PREFIX + "container-tokens.master-key-rolling-interval-secs";

  public static final long DEFAULT_RM_CONTAINER_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS =
      24 * 60 * 60;

  public static final String RM_NMTOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS =
      RM_PREFIX + "nm-tokens.master-key-rolling-interval-secs";

  public static final long DEFAULT_RM_NMTOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS = 24 * 60 * 60;
  ////////////////////////////////
  // Node Manager Configs
  ////////////////////////////////

  /** Prefix for all node manager configs. */
  public static final String NM_PREFIX = "yarn.nodemanager.";

  /** Environment variables that will be sent to containers. */
  public static final String NM_ADMIN_USER_ENV = NM_PREFIX + "admin-env";

  public static final String DEFAULT_NM_ADMIN_USER_ENV = "MALLOC_ARENA_MAX=$MALLOC_ARENA_MAX";

  /** Environment variables that containers may override rather than use NodeManager's default. */
  public static final String NM_ENV_WHITELIST = NM_PREFIX + "env-whitelist";

  public static final String DEFAULT_NM_ENV_WHITELIST =
      StringUtils.join(
          ",",
          Arrays.asList(
              ApplicationConstants.Environment.JAVA_HOME.key(),
              ApplicationConstants.Environment.HADOOP_COMMON_HOME.key(),
              ApplicationConstants.Environment.HADOOP_HDFS_HOME.key(),
              ApplicationConstants.Environment.HADOOP_CONF_DIR.key(),
              ApplicationConstants.Environment.HADOOP_YARN_HOME.key()));

  /** address of node manager IPC. */
  public static final String NM_ADDRESS = NM_PREFIX + "address";

  public static final int DEFAULT_NM_PORT = 0;
  public static final String DEFAULT_NM_ADDRESS = "0.0.0.0:" + DEFAULT_NM_PORT;

  /** who will execute(launch) the containers. */
  public static final String NM_CONTAINER_EXECUTOR = NM_PREFIX + "container-executor.class";

  /**
   * Adjustment to make to the container os scheduling priority. The valid values for this could
   * vary depending on the platform. On Linux, higher values mean run the containers at a less
   * favorable priority than the NM. The value specified is an int.
   */
  public static final String NM_CONTAINER_EXECUTOR_SCHED_PRIORITY =
      NM_PREFIX + "container-executor.os.sched.priority.adjustment";

  public static final int DEFAULT_NM_CONTAINER_EXECUTOR_SCHED_PRIORITY = 0;

  /** Number of threads container manager uses. */
  public static final String NM_CONTAINER_MGR_THREAD_COUNT =
      NM_PREFIX + "container-manager.thread-count";

  public static final int DEFAULT_NM_CONTAINER_MGR_THREAD_COUNT = 20;

  /** Number of threads used in cleanup. */
  public static final String NM_DELETE_THREAD_COUNT = NM_PREFIX + "delete.thread-count";

  public static final int DEFAULT_NM_DELETE_THREAD_COUNT = 4;

  /** Keytab for NM. */
  public static final String NM_KEYTAB = NM_PREFIX + "keytab";

  /** List of directories to store localized files in. */
  public static final String NM_LOCAL_DIRS = NM_PREFIX + "local-dirs";

  public static final String DEFAULT_NM_LOCAL_DIRS = "/tmp/nm-local-dir";

  /** Number of files in each localized directories Avoid tuning this too low. */
  public static final String NM_LOCAL_CACHE_MAX_FILES_PER_DIRECTORY =
      NM_PREFIX + "local-cache.max-files-per-directory";

  public static final int DEFAULT_NM_LOCAL_CACHE_MAX_FILES_PER_DIRECTORY = 8192;

  /** Address where the localizer IPC is. */
  public static final String NM_LOCALIZER_ADDRESS = NM_PREFIX + "localizer.address";

  public static final int DEFAULT_NM_LOCALIZER_PORT = 8040;
  public static final String DEFAULT_NM_LOCALIZER_ADDRESS = "0.0.0.0:" + DEFAULT_NM_LOCALIZER_PORT;

  /** Interval in between cache cleanups. */
  public static final String NM_LOCALIZER_CACHE_CLEANUP_INTERVAL_MS =
      NM_PREFIX + "localizer.cache.cleanup.interval-ms";

  public static final long DEFAULT_NM_LOCALIZER_CACHE_CLEANUP_INTERVAL_MS = 10 * 60 * 1000;

  /** Target size of localizer cache in MB, per local directory. */
  public static final String NM_LOCALIZER_CACHE_TARGET_SIZE_MB =
      NM_PREFIX + "localizer.cache.target-size-mb";

  public static final long DEFAULT_NM_LOCALIZER_CACHE_TARGET_SIZE_MB = 10 * 1024;

  /** Number of threads to handle localization requests. */
  public static final String NM_LOCALIZER_CLIENT_THREAD_COUNT =
      NM_PREFIX + "localizer.client.thread-count";

  public static final int DEFAULT_NM_LOCALIZER_CLIENT_THREAD_COUNT = 5;

  /** Number of threads to use for localization fetching. */
  public static final String NM_LOCALIZER_FETCH_THREAD_COUNT =
      NM_PREFIX + "localizer.fetch.thread-count";

  public static final int DEFAULT_NM_LOCALIZER_FETCH_THREAD_COUNT = 4;

  /** Where to store container logs. */
  public static final String NM_LOG_DIRS = NM_PREFIX + "log-dirs";

  public static final String DEFAULT_NM_LOG_DIRS = "/tmp/logs";

  /** Interval at which the delayed token removal thread runs */
  public static final String RM_DELAYED_DELEGATION_TOKEN_REMOVAL_INTERVAL_MS =
      RM_PREFIX + "delayed.delegation-token.removal-interval-ms";

  public static final long DEFAULT_RM_DELAYED_DELEGATION_TOKEN_REMOVAL_INTERVAL_MS = 30000l;

  /** Whether to enable log aggregation */
  public static final String LOG_AGGREGATION_ENABLED = YARN_PREFIX + "log-aggregation-enable";

  public static final boolean DEFAULT_LOG_AGGREGATION_ENABLED = false;

  /**
   * How long to wait before deleting aggregated logs, -1 disables. Be careful set this too small
   * and you will spam the name node.
   */
  public static final String LOG_AGGREGATION_RETAIN_SECONDS =
      YARN_PREFIX + "log-aggregation.retain-seconds";

  public static final long DEFAULT_LOG_AGGREGATION_RETAIN_SECONDS = -1;

  /**
   * How long to wait between aggregated log retention checks. If set to a value <= 0 then the value
   * is computed as one-tenth of the log retention setting. Be careful set this too small and you
   * will spam the name node.
   */
  public static final String LOG_AGGREGATION_RETAIN_CHECK_INTERVAL_SECONDS =
      YARN_PREFIX + "log-aggregation.retain-check-interval-seconds";

  public static final long DEFAULT_LOG_AGGREGATION_RETAIN_CHECK_INTERVAL_SECONDS = -1;

  /**
   * Number of seconds to retain logs on the NodeManager. Only applicable if Log aggregation is
   * disabled
   */
  public static final String NM_LOG_RETAIN_SECONDS = NM_PREFIX + "log.retain-seconds";

  /** Number of threads used in log cleanup. Only applicable if Log aggregation is disabled */
  public static final String NM_LOG_DELETION_THREADS_COUNT =
      NM_PREFIX + "log.deletion-threads-count";

  public static final int DEFAULT_NM_LOG_DELETE_THREAD_COUNT = 4;

  /** Where to aggregate logs to. */
  public static final String NM_REMOTE_APP_LOG_DIR = NM_PREFIX + "remote-app-log-dir";

  public static final String DEFAULT_NM_REMOTE_APP_LOG_DIR = "/tmp/logs";

  /**
   * The remote log dir will be created at
   * NM_REMOTE_APP_LOG_DIR/${user}/NM_REMOTE_APP_LOG_DIR_SUFFIX/${appId}
   */
  public static final String NM_REMOTE_APP_LOG_DIR_SUFFIX = NM_PREFIX + "remote-app-log-dir-suffix";

  public static final String DEFAULT_NM_REMOTE_APP_LOG_DIR_SUFFIX = "logs";

  public static final String YARN_LOG_SERVER_URL = YARN_PREFIX + "log.server.url";

  public static final String YARN_TRACKING_URL_GENERATOR = YARN_PREFIX + "tracking.url.generator";

  /** Amount of memory in GB that can be allocated for containers. */
  public static final String NM_PMEM_MB = NM_PREFIX + "resource.memory-mb";

  public static final int DEFAULT_NM_PMEM_MB = 8 * 1024;

  /** Specifies whether physical memory check is enabled. */
  public static final String NM_PMEM_CHECK_ENABLED = NM_PREFIX + "pmem-check-enabled";

  public static final boolean DEFAULT_NM_PMEM_CHECK_ENABLED = true;

  /** Specifies whether physical memory check is enabled. */
  public static final String NM_VMEM_CHECK_ENABLED = NM_PREFIX + "vmem-check-enabled";

  public static final boolean DEFAULT_NM_VMEM_CHECK_ENABLED = true;

  /** Conversion ratio for physical memory to virtual memory. */
  public static final String NM_VMEM_PMEM_RATIO = NM_PREFIX + "vmem-pmem-ratio";

  public static final float DEFAULT_NM_VMEM_PMEM_RATIO = 2.1f;

  /** Number of Virtual CPU Cores which can be allocated for containers. */
  public static final String NM_VCORES = NM_PREFIX + "resource.cpu-vcores";

  public static final int DEFAULT_NM_VCORES = 8;

  // add by lism
  public static final String NM_GPU_CORES = NM_PREFIX + "resource.gpu-cores";
  public static final int DEFAULT_NM_GPU_CORES = 0;
  // end lism

  /** NM Webapp address.* */
  public static final String NM_WEBAPP_ADDRESS = NM_PREFIX + "webapp.address";

  public static final int DEFAULT_NM_WEBAPP_PORT = 8042;
  public static final String DEFAULT_NM_WEBAPP_ADDRESS = "0.0.0.0:" + DEFAULT_NM_WEBAPP_PORT;

  /** How often to monitor containers. */
  public static final String NM_CONTAINER_MON_INTERVAL_MS =
      NM_PREFIX + "container-monitor.interval-ms";

  public static final int DEFAULT_NM_CONTAINER_MON_INTERVAL_MS = 3000;

  /** Class that calculates containers current resource utilization. */
  public static final String NM_CONTAINER_MON_RESOURCE_CALCULATOR =
      NM_PREFIX + "container-monitor.resource-calculator.class";
  /** Class that calculates process tree resource utilization. */
  public static final String NM_CONTAINER_MON_PROCESS_TREE =
      NM_PREFIX + "container-monitor.process-tree.class";

  /**
   * Enable/Disable disks' health checker. Default is true. An expert level configuration property.
   */
  public static final String NM_DISK_HEALTH_CHECK_ENABLE = NM_PREFIX + "disk-health-checker.enable";
  /** Frequency of running disks' health checker. */
  public static final String NM_DISK_HEALTH_CHECK_INTERVAL_MS =
      NM_PREFIX + "disk-health-checker.interval-ms";
  /** By default, disks' health is checked every 2 minutes. */
  public static final long DEFAULT_NM_DISK_HEALTH_CHECK_INTERVAL_MS = 2 * 60 * 1000;

  /**
   * The minimum fraction of number of disks to be healthy for the nodemanager to launch new
   * containers. This applies to nm-local-dirs and nm-log-dirs.
   */
  public static final String NM_MIN_HEALTHY_DISKS_FRACTION =
      NM_PREFIX + "disk-health-checker.min-healthy-disks";
  /**
   * By default, at least 5% of disks are to be healthy to say that the node is healthy in terms of
   * disks.
   */
  public static final float DEFAULT_NM_MIN_HEALTHY_DISKS_FRACTION = 0.25F;

  /** Frequency of running node health script. */
  public static final String NM_HEALTH_CHECK_INTERVAL_MS = NM_PREFIX + "health-checker.interval-ms";

  public static final long DEFAULT_NM_HEALTH_CHECK_INTERVAL_MS = 10 * 60 * 1000;

  /** Health check script time out period. */
  public static final String NM_HEALTH_CHECK_SCRIPT_TIMEOUT_MS =
      NM_PREFIX + "health-checker.script.timeout-ms";

  public static final long DEFAULT_NM_HEALTH_CHECK_SCRIPT_TIMEOUT_MS =
      2 * DEFAULT_NM_HEALTH_CHECK_INTERVAL_MS;

  /** The health check script to run. */
  public static final String NM_HEALTH_CHECK_SCRIPT_PATH = NM_PREFIX + "health-checker.script.path";

  /** The arguments to pass to the health check script. */
  public static final String NM_HEALTH_CHECK_SCRIPT_OPTS = NM_PREFIX + "health-checker.script.opts";

  /** The path to the Linux container executor. */
  public static final String NM_LINUX_CONTAINER_EXECUTOR_PATH =
      NM_PREFIX + "linux-container-executor.path";

  /**
   * The UNIX group that the linux-container-executor should run as. This is intended to be set as
   * part of container-executor.cfg.
   */
  public static final String NM_LINUX_CONTAINER_GROUP =
      NM_PREFIX + "linux-container-executor.group";

  /** The type of resource enforcement to use with the linux container executor. */
  public static final String NM_LINUX_CONTAINER_RESOURCES_HANDLER =
      NM_PREFIX + "linux-container-executor.resources-handler.class";

  /** The path the linux container executor should use for cgroups */
  public static final String NM_LINUX_CONTAINER_CGROUPS_HIERARCHY =
      NM_PREFIX + "linux-container-executor.cgroups.hierarchy";

  /** Whether the linux container executor should mount cgroups if not found */
  public static final String NM_LINUX_CONTAINER_CGROUPS_MOUNT =
      NM_PREFIX + "linux-container-executor.cgroups.mount";

  /** Where the linux container executor should mount cgroups if not found */
  public static final String NM_LINUX_CONTAINER_CGROUPS_MOUNT_PATH =
      NM_PREFIX + "linux-container-executor.cgroups.mount-path";

  /** T-file compression types used to compress aggregated logs. */
  public static final String NM_LOG_AGG_COMPRESSION_TYPE =
      NM_PREFIX + "log-aggregation.compression-type";

  public static final String DEFAULT_NM_LOG_AGG_COMPRESSION_TYPE = "none";

  /** The kerberos principal for the node manager. */
  public static final String NM_PRINCIPAL = NM_PREFIX + "principal";

  public static final String NM_AUX_SERVICES = NM_PREFIX + "aux-services";

  public static final String NM_AUX_SERVICE_FMT = NM_PREFIX + "aux-services.%s.class";

  public static final String NM_USER_HOME_DIR = NM_PREFIX + "user-home-dir";

  public static final String DEFAULT_NM_USER_HOME_DIR = "/home/";

  ////////////////////////////////
  // Web Proxy Configs
  ////////////////////////////////
  public static final String PROXY_PREFIX = "yarn.web-proxy.";

  /** The kerberos principal for the proxy. */
  public static final String PROXY_PRINCIPAL = PROXY_PREFIX + "principal";

  /** Keytab for Proxy. */
  public static final String PROXY_KEYTAB = PROXY_PREFIX + "keytab";

  /** The address for the web proxy. */
  public static final String PROXY_ADDRESS = PROXY_PREFIX + "address";

  /** YARN Service Level Authorization */
  public static final String YARN_SECURITY_SERVICE_AUTHORIZATION_RESOURCETRACKER_PROTOCOL =
      "security.resourcetracker.protocol.acl";

  public static final String YARN_SECURITY_SERVICE_AUTHORIZATION_APPLICATIONCLIENT_PROTOCOL =
      "security.applicationclient.protocol.acl";
  public static final String
      YARN_SECURITY_SERVICE_AUTHORIZATION_RESOURCEMANAGER_ADMINISTRATION_PROTOCOL =
          "security.resourcemanager-administration.protocol.acl";
  public static final String YARN_SECURITY_SERVICE_AUTHORIZATION_APPLICATIONMASTER_PROTOCOL =
      "security.applicationmaster.protocol.acl";

  public static final String YARN_SECURITY_SERVICE_AUTHORIZATION_CONTAINER_MANAGEMENT_PROTOCOL =
      "security.containermanagement.protocol.acl";
  public static final String YARN_SECURITY_SERVICE_AUTHORIZATION_RESOURCE_LOCALIZER =
      "security.resourcelocalizer.protocol.acl";

  /** No. of milliseconds to wait between sending a SIGTERM and SIGKILL to a running container */
  public static final String NM_SLEEP_DELAY_BEFORE_SIGKILL_MS =
      NM_PREFIX + "sleep-delay-before-sigkill.ms";

  public static final long DEFAULT_NM_SLEEP_DELAY_BEFORE_SIGKILL_MS = 250;

  /** Max time to wait for a process to come up when trying to cleanup container resources */
  public static final String NM_PROCESS_KILL_WAIT_MS = NM_PREFIX + "process-kill-wait.ms";

  public static final long DEFAULT_NM_PROCESS_KILL_WAIT_MS = 2000;

  /** Max time to wait to establish a connection to RM */
  public static final String RESOURCEMANAGER_CONNECT_MAX_WAIT_MS =
      RM_PREFIX + "connect.max-wait.ms";

  public static final int DEFAULT_RESOURCEMANAGER_CONNECT_MAX_WAIT_MS = 15 * 60 * 1000;

  /** Time interval between each attempt to connect to RM */
  public static final String RESOURCEMANAGER_CONNECT_RETRY_INTERVAL_MS =
      RM_PREFIX + "connect.retry-interval.ms";

  public static final long DEFAULT_RESOURCEMANAGER_CONNECT_RETRY_INTERVAL_MS = 30 * 1000;

  /** CLASSPATH for YARN applications. A comma-separated list of CLASSPATH entries */
  public static final String YARN_APPLICATION_CLASSPATH = YARN_PREFIX + "application.classpath";

  /** Default CLASSPATH for YARN applications. A comma-separated list of CLASSPATH entries */
  public static final String[] DEFAULT_YARN_APPLICATION_CLASSPATH = {
    ApplicationConstants.Environment.HADOOP_CONF_DIR.$(),
    ApplicationConstants.Environment.HADOOP_COMMON_HOME.$() + "/share/hadoop/common/*",
    ApplicationConstants.Environment.HADOOP_COMMON_HOME.$() + "/share/hadoop/common/lib/*",
    ApplicationConstants.Environment.HADOOP_HDFS_HOME.$() + "/share/hadoop/hdfs/*",
    ApplicationConstants.Environment.HADOOP_HDFS_HOME.$() + "/share/hadoop/hdfs/lib/*",
    ApplicationConstants.Environment.HADOOP_YARN_HOME.$() + "/share/hadoop/yarn/*",
    ApplicationConstants.Environment.HADOOP_YARN_HOME.$() + "/share/hadoop/yarn/lib/*"
  };

  /** Container temp directory */
  public static final String DEFAULT_CONTAINER_TEMP_DIR = "./tmp";

  public static final String IS_MINI_YARN_CLUSTER = YARN_PREFIX + "is.minicluster";

  /** Whether to use fixed ports with the minicluster. */
  public static final String YARN_MINICLUSTER_FIXED_PORTS = YARN_PREFIX + "minicluster.fixed.ports";

  /** Default is false to be able to run tests concurrently without port conflicts. */
  public static boolean DEFAULT_YARN_MINICLUSTER_FIXED_PORTS = false;

  /**
   * Whether users are explicitly trying to control resource monitoring configuration for the
   * MiniYARNCluster. Disabled by default.
   */
  public static final String YARN_MINICLUSTER_CONTROL_RESOURCE_MONITORING =
      YARN_PREFIX + "minicluster.control-resource-monitoring";

  public static final boolean DEFAULT_YARN_MINICLUSTER_CONTROL_RESOURCE_MONITORING = false;

  /** The log directory for the containers */
  public static final String YARN_APP_CONTAINER_LOG_DIR = YARN_PREFIX + "app.container.log.dir";

  public static final String YARN_APP_CONTAINER_LOG_SIZE =
      YARN_PREFIX + "app.container.log.filesize";

  ////////////////////////////////
  // Other Configs
  ////////////////////////////////

  /**
   * The interval of the yarn client's querying application state after application submission. The
   * unit is millisecond.
   */
  public static final String YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS =
      YARN_PREFIX + "client.app-submission.poll-interval";

  public static final long DEFAULT_YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS = 1000;

  /** Max number of threads in NMClientAsync to process container management events */
  public static final String NM_CLIENT_ASYNC_THREAD_POOL_MAX_SIZE =
      YARN_PREFIX + "client.nodemanager-client-async.thread-pool-max-size";

  public static final int DEFAULT_NM_CLIENT_ASYNC_THREAD_POOL_MAX_SIZE = 500;

  /**
   * Maximum number of proxy connections for node manager. It should always be more than 1. NMClient
   * and MRAppMaster will use this to cache connection with node manager. There will be at max one
   * connection per node manager. Ex. configuring it to a value of 5 will make sure that client will
   * at max have 5 connections cached with 5 different node managers. These connections will be
   * timed out if idle for more than system wide idle timeout period. The token if used for
   * authentication then it will be used only at connection creation time. If new token is received
   * then earlier connection should be closed in order to use newer token. Note: {@link
   * YarnConfiguration#NM_CLIENT_ASYNC_THREAD_POOL_MAX_SIZE} are related to each other.
   */
  public static final String NM_CLIENT_MAX_NM_PROXIES =
      YARN_PREFIX + "client.max-nodemanagers-proxies";

  public static final int DEFAULT_NM_CLIENT_MAX_NM_PROXIES = 500;

  public YarnConfiguration() {
    super();
  }

  public YarnConfiguration(Configuration conf) {
    super(conf);
    if (!(conf instanceof YarnConfiguration)) {
      this.reloadConfiguration();
    }
  }

  public static String getProxyHostAndPort(Configuration conf) {
    String addr = conf.get(PROXY_ADDRESS);
    if (addr == null || addr.isEmpty()) {
      addr = getRMWebAppHostAndPort(conf);
    }
    return addr;
  }

  public static String getRMWebAppHostAndPort(Configuration conf) {
    InetSocketAddress address =
        conf.getSocketAddr(
            YarnConfiguration.RM_WEBAPP_ADDRESS,
            YarnConfiguration.DEFAULT_RM_WEBAPP_ADDRESS,
            YarnConfiguration.DEFAULT_RM_WEBAPP_PORT);
    address = NetUtils.getConnectAddress(address);
    StringBuffer sb = new StringBuffer();
    InetAddress resolved = address.getAddress();
    if (resolved == null || resolved.isAnyLocalAddress() || resolved.isLoopbackAddress()) {
      String lh = address.getHostName();
      try {
        lh = InetAddress.getLocalHost().getCanonicalHostName();
      } catch (UnknownHostException e) {
        // Ignore and fallback.
      }
      sb.append(lh);
    } else {
      sb.append(address.getHostName());
    }
    sb.append(":").append(address.getPort());
    return sb.toString();
  }

  public static String getRMWebAppURL(Configuration conf) {
    return JOINER.join("http://", getRMWebAppHostAndPort(conf));
  }
}