org.apache.flink.runtime.jobmaster.slotpool.DefaultLocationPreferenceSlotSelectionStrategy Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
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package org.apache.flink.runtime.jobmaster.slotpool;
import org.apache.flink.runtime.clusterframework.types.ResourceProfile;
import org.apache.flink.runtime.jobmanager.scheduler.Locality;
import javax.annotation.Nonnull;
import java.util.Collection;
import java.util.Optional;
class DefaultLocationPreferenceSlotSelectionStrategy extends LocationPreferenceSlotSelectionStrategy {
@Nonnull
@Override
protected Optional selectWithoutLocationPreference(@Nonnull Collection availableSlots, @Nonnull ResourceProfile resourceProfile) {
for (SlotInfoAndResources candidate : availableSlots) {
if (candidate.getRemainingResources().isMatching(resourceProfile)) {
return Optional.of(SlotInfoAndLocality.of(candidate.getSlotInfo(), Locality.UNCONSTRAINED));
}
}
return Optional.empty();
}
@Override
protected double calculateCandidateScore(int localWeigh, int hostLocalWeigh, double taskExecutorUtilization) {
return localWeigh * 10 + hostLocalWeigh;
}
}