Package org.apache.flink.runtime.jobmanager.scheduler
package org.apache.flink.runtime.jobmanager.scheduler
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ClassDescriptionA
CoLocationConstraintstores the ID ofCoLocationGroupand an ID referring to the actual subtask (i.e.CoLocationGrouprefers to a list ofJobVertexinstances, where the i-th subtask of one vertex has to be executed on the sameTaskManageras the i-th subtask of all otherJobVertexinstances in the same group.ACoLocationGroupimplementation.Defines the location preference constraint.Indicates resource allocation failures.A slot sharing units defines which different task (from different job vertices) can be deployed together within a slot.