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

Reactive rest calls using spring rest template

The base class for all formats. This is an abstract base class which specifies
the protocol for clas

java.text.Format

ArrayList is an implementation of List, backed by an array. All optional
operations including adding

java.util.ArrayList

Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub

javax.servlet.http.HttpServlet

javax.swing.JFileChooser

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

org.apache.commons.io.FileUtils

Abstract superclass of object loading (and querying) strategies. This class
implements useful common

org.hibernate.loader.Loader

getContentResolver

putExtra

onCreateOptionsMenu

/**
   * Given a set of queues compute the fix-point distribution of unassigned
   * resources among them. As pending request of a queue are exhausted, the
   * queue is removed from the set and remaining capacity redistributed among
   * remaining queues. The distribution is weighted based on guaranteed
   * capacity, unless asked to ignoreGuarantee, in which case resources are
   * distributed uniformly.
   */

// Prior to assigning the unused resources, process each queue as follows:

// If current > guaranteed, idealAssigned = guaranteed + untouchable extra

// Subtract idealAssigned resources from unassigned.

// If the queue has all of its needs met (that is, if 

// idealAssigned >= current + pending), remove it from consideration.

// Sort queues from most under-guaranteed to most over-guaranteed.

// If idealAssigned < (current + pending), q needs more resources, so

// add it to the list of underserved queues, ordered by need.

//assign all cluster resources until no more demand, or no resources are left

// we compute normalizedGuarantees capacity based on currently active

// For each underserved queue (or set of queues if multiple are equally

// underserved), offer its share of the unassigned resources based on its

// normalized guarantee. After the offer, if the queue is not satisfied,

// place it back in the ordered list of queues, recalculating its place

// in the order of most under-guaranteed to most over-guaranteed. In this

// way, the most underserved queue(s) are always given resources first.

// The queue is still asking for more. Put it back in the priority

// queue, recalculating its order based on need.

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

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