Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy
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ClassDescriptionAn OrderingPolicy which can serve as a baseclass for policies which can be expressed in terms of comparatorsFairOrderingPolicy<S extends SchedulableEntity>FairOrderingPolicy comparison goes through following steps. 1.Fairness based comparison.A Comparator which orders SchedulableEntities by input orderFifoOrderingPolicy<S extends SchedulableEntity>An OrderingPolicy which orders SchedulableEntities by input orderThis ordering policy is used for pending applications only.Similar to
FifoOrderingPolicy, but with separate ordering policies for each partition inyarn.scheduler.capacity.<queue-path>.ordering-policy.exclusive-enforced-partitions.IteratorSelector contains information needed to tell anOrderingPolicywhat to return in an iterator.OrderingPolicy<S extends SchedulableEntity>OrderingPolicy is used by the scheduler to order SchedulableEntities for container assignment and preemption.A Comparator which orders SchedulableEntities by priority.A Comparator which orders SchedulableEntities by isRecovering flag.A SchedulableEntity is a process to be scheduled.