org.apache.hadoop.yarn.util (Apache Hadoop Main 3.5.0 API)
Description: declaration: package: org.apache.hadoop.yarn.util

# 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.

- Related Packages
  Package
  Description
  org.apache.hadoop.yarn
  Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
  org.apache.hadoop.yarn.util.constraint
  Package org.apache.hadoop.yarn.util.constraint contains classes which is used as utility class for placement constraints.
  org.apache.hadoop.yarn.util.csi
  Package that includes some CSI utility classes.
  org.apache.hadoop.yarn.util.resource
  Package org.apache.hadoop.yarn.util.resource contains classes which is used as utility class for resource profile computations.
  org.apache.hadoop.yarn.util.timeline
  Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
- 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.