Public

This method walks a tree of CSQueue and clones the portion of the state relevant
for preemption in T

cloneQueues

This method selects and tracks containers to be preemptionCandidates. If a
container is in the targe

containerBasedPreemptOrKill

init

logToCSV

Compare by reversed priority order first, and then reversed containerId order

sortContainers

<init>

Given a set of queues compute the fix-point distribution of unassigned resources
among them. As pend

computeFixpointAllocation

This method computes (for a single level in the tree, passed as a List) the
ideal assignment of reso

computeIdealResourceDistribution

editSchedule

Based a resource preemption target drop reservations of containers and if
necessary select container

getContainersToPreempt

getMostUnderservedQueues

This method returns all non labeled resources.

getNonLabeledResources

getResourceCalculator

Checking if given container is a labeled container

isLabeledContainer

As more resources are needed for preemption, saved AMContainers has to be
rescanned. Such AMContaine

preemptAMContainers

Given a target preemption for a specific application, select containers to
preempt (after unreservin

preemptFrom

This method recursively computes the ideal assignment of resources to each level
of the hierarchy. T

recursivelyComputeIdealAssignment

Computes a normalizedGuaranteed capacity based on active queues

resetCapacity

setNodeLabels

addTempQueuePartition

ArrayList

Finding current android device location

This class implements a simple HTTP server. A HttpServer is bound to an IP
address and port number a

com.sun.net.httpserver.HttpServer

A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po

java.net.ConnectException

An ordered collection (also known as a sequence). The user of this interface has
precise control ove

java.util.List

A parser that parses a text string of primitive types and strings with the help
of regular expressio

java.util.Scanner

Breaks a string into tokens; new code should probably use String#split.>  
// Legacy code: 
StringTo

java.util.StringTokenizer

General file manipulation utilities. Facilities are provided in the following
areas: * writing to a 

org.apache.commons.io.FileUtils

compareTo

setContentView

Return the original filename in the client's filesystem.This may contain path
information depending 

getOriginalFilename

/**
   * Based a resource preemption target drop reservations of containers and
   * if necessary select containers for preemption from applications in each
   * over-capacity queue. It uses {@link #NATURAL_TERMINATION_FACTOR} to
   * account for containers that will naturally complete.
   *
   * @param queues set of leaf queues to preempt from
   * @param clusterResource total amount of cluster resources
   * @return a map of applciationID to set of containers to preempt
   */

// we act only if we are violating balance by more than

// we introduce a dampening factor naturalTerminationFactor that

// accounts for natural termination of containers

// lock the leafqueue while we scan applications and unreserve

// Can try preempting AMContainers (still saving atmost

// maxAMCapacityForThisQueue AMResource's) if more resources are

// required to be preempted from this Queue.

How to use preemptFrommethodin org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy

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How to use
preemptFrom
method
in
org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy