Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair
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ClassDescriptionThrown when the allocation file for
QueueManageris malformed.AConfigurableResourceobject represents an entity that is used to configure resources, such as maximum resources of a queue.A scheduler that schedules resources between a set of queues.Utility class for the Fair Scheduler.OrderFSAppAttemptobjects by priority and then by submit time, as in the default scheduler in Hadoop.Represents an application attempt from the viewpoint of the Fair Scheduler.Helper class that holds basic information to be passed around FairScheduler classes.Class to capture the performance metrics of FairScheduler.Fair Scheduler specific node features.Thrown when Queue Name is malformed.Handles tracking and enforcement for user and queue maxRunningApps constraintsMaintains a list of queues as well as scheduling parameters for each queue, such as guaranteed share allocations, from the fair scheduler config file.A Schedulable represents an entity that can be scheduled such as an application or a queue.The SchedulingPolicy is used by the fair scheduler mainly to determine what a queue's fair share and steady fair share should be as well as calculating available headroom.