Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.common
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.common
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ClassDescriptionThis class will keep all Scheduling env's names which will help in placement calculations.Proposal to allocate/reserve a new containerContainerRequest is a class to capture resource requests associated with a Container, this will be used by scheduler to recover resource requests if the container preempted or cancelled before AM acquire the container.
PendingAskis the class to include minimal information of how much resource to ask under constraints (e.g. on one host / rack / node-attributes) , etc.Scheduler should implement this interface if it wants to have multi-threading plus global scheduling functionalityContexts for a container inside scheduler