Package org.apache.hadoop.yarn.util

@Public package org.apache.hadoop.yarn.util
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.
  • Class
    Description
    AbstractLivelinessMonitor<O>
    A simple liveliness monitor with which clients can register, trust the component to monitor liveliness, get a call-back on expiry and then finally unregister.
    org.apache.hadoop.yarn.util.AdHocLogDumper
     
    ApplicationClassLoader
    Deprecated.
    org.apache.hadoop.yarn.util.Apps
    YARN internal application-related utilities
    org.apache.hadoop.yarn.util.AppsCacheKey
     
    org.apache.hadoop.yarn.util.AsyncCallback<T>
    Generic interface that can be used for calling back when a corresponding asynchronous operation completes.
    org.apache.hadoop.yarn.util.AuxiliaryServiceHelper
     
    BoundedAppender
    A CharSequence appender that considers its BoundedAppender.limit as upper bound.
    org.apache.hadoop.yarn.util.CacheNode<V>
     
    Clock
    A simple clock interface that gives you time.
    ConverterUtils
    This class contains a set of utilities which help converting data structures from/to 'serializableFormat' to/from hadoop/nativejava data structures.
    org.apache.hadoop.yarn.util.DockerClientConfigHandler
    Commonly needed actions for handling the Docker client configurations.
    org.apache.hadoop.yarn.util.FSDownload
    Download a single URL to the local disk.
    org.apache.hadoop.yarn.util.LinuxResourceCalculatorPlugin
    Plugin to calculate resource information on Linux systems.
    org.apache.hadoop.yarn.util.Log4jWarningErrorMetricsAppender
     
    org.apache.hadoop.yarn.util.Log4jWarningErrorMetricsAppender.Element
     
    org.apache.hadoop.yarn.util.LRUCache<K,V>
     
    org.apache.hadoop.yarn.util.LRUCacheHashMap<K,V>
    LRU cache with a configurable maximum cache size and access order.
    MonotonicClock
    A monotonic clock from some arbitrary time base in the past, counting in milliseconds, and not affected by settimeofday or similar system clock changes.
    org.apache.hadoop.yarn.util.ProcfsBasedProcessTree
    A Proc file-system based ProcessTree.
    org.apache.hadoop.yarn.util.RackResolver
     
    org.apache.hadoop.yarn.util.Records
    Convenient API record utils
    org.apache.hadoop.yarn.util.ResourceCalculatorPlugin
    Plugin to calculate resource information on the system.
    ResourceCalculatorProcessTree
    Interface class to obtain process resource usage NOTE: This class should not be used by external users, but only by external developers to extend and include their own process-tree implementation, especially for platforms other than Linux and Windows.
    org.apache.hadoop.yarn.util.RMHAUtils
     
    org.apache.hadoop.yarn.util.StringHelper
    Common string manipulation helpers
    SystemClock
    Implementation of Clock that gives the current time from the system clock in milliseconds.
    org.apache.hadoop.yarn.util.TimelineServiceHelper
    Helper class for Timeline service.
    org.apache.hadoop.yarn.util.Times
     
    org.apache.hadoop.yarn.util.TrackingUriPlugin
    Plugin to derive a tracking URL from a YARN Application ID
    org.apache.hadoop.yarn.util.UnitsConversionUtil
    A util to convert values in one unit to another.
    org.apache.hadoop.yarn.util.UnitsConversionUtil.Converter
    Helper class for encapsulating conversion values.
    UTCClock
    Implementation of Clock that gives the current UTC time in milliseconds.
    org.apache.hadoop.yarn.util.WindowsBasedProcessTree
     
    org.apache.hadoop.yarn.util.WindowsResourceCalculatorPlugin
     
    org.apache.hadoop.yarn.util.YarnVersionInfo
    This class finds the package info for Yarn.