org.apache.flink.runtime.resourcemanager.slotmanager.SlotManagerUtils Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file 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
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.resourcemanager.slotmanager;
import org.apache.flink.runtime.clusterframework.types.ResourceProfile;
import org.apache.flink.runtime.resourcemanager.WorkerResourceSpec;
import org.apache.flink.util.Preconditions;
/** Utilities for {@link SlotManager} implementations. */
public class SlotManagerUtils {
/**
* This must be consist with {@link
* org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils#generateDefaultSlotResourceProfile}.
*/
public static ResourceProfile generateDefaultSlotResourceProfile(
WorkerResourceSpec workerResourceSpec, int numSlotsPerWorker) {
final ResourceProfile.Builder resourceProfileBuilder =
ResourceProfile.newBuilder()
.setCpuCores(workerResourceSpec.getCpuCores().divide(numSlotsPerWorker))
.setTaskHeapMemory(
workerResourceSpec.getTaskHeapSize().divide(numSlotsPerWorker))
.setTaskOffHeapMemory(
workerResourceSpec.getTaskOffHeapSize().divide(numSlotsPerWorker))
.setManagedMemory(
workerResourceSpec.getManagedMemSize().divide(numSlotsPerWorker))
.setNetworkMemory(
workerResourceSpec.getNetworkMemSize().divide(numSlotsPerWorker));
workerResourceSpec
.getExtendedResources()
.forEach(
(name, resource) ->
resourceProfileBuilder.setExtendedResource(
resource.divide(numSlotsPerWorker)));
return resourceProfileBuilder.build();
}
/**
* This must be consist with {@link
* org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils#generateDefaultSlotResourceProfile}.
*/
public static ResourceProfile generateDefaultSlotResourceProfile(
ResourceProfile resourceProfile, int numSlotsPerWorker) {
final ResourceProfile.Builder resourceProfileBuilder =
ResourceProfile.newBuilder()
.setCpuCores(resourceProfile.getCpuCores().divide(numSlotsPerWorker))
.setTaskHeapMemory(
resourceProfile.getTaskHeapMemory().divide(numSlotsPerWorker))
.setTaskOffHeapMemory(
resourceProfile.getTaskOffHeapMemory().divide(numSlotsPerWorker))
.setManagedMemory(
resourceProfile.getManagedMemory().divide(numSlotsPerWorker))
.setNetworkMemory(
resourceProfile.getNetworkMemory().divide(numSlotsPerWorker));
resourceProfile
.getExtendedResources()
.forEach(
(name, resource) ->
resourceProfileBuilder.setExtendedResource(
resource.divide(numSlotsPerWorker)));
return resourceProfileBuilder.build();
}
public static int calculateDefaultNumSlots(
ResourceProfile totalResourceProfile, ResourceProfile defaultSlotResourceProfile) {
// For ResourceProfile.ANY in test case, return the maximum integer
if (totalResourceProfile.equals(ResourceProfile.ANY)) {
return Integer.MAX_VALUE;
}
Preconditions.checkArgument(!defaultSlotResourceProfile.equals(ResourceProfile.ZERO));
int numSlots = 0;
ResourceProfile remainResource = totalResourceProfile;
while (remainResource.allFieldsNoLessThan(defaultSlotResourceProfile)) {
remainResource = remainResource.subtract(defaultSlotResourceProfile);
numSlots += 1;
}
return numSlots;
}
public static ResourceProfile getEffectiveResourceProfile(
ResourceProfile requirement, ResourceProfile defaultResourceProfile) {
return requirement.equals(ResourceProfile.UNKNOWN) ? defaultResourceProfile : requirement;
}
public static ResourceProfile generateTaskManagerTotalResourceProfile(
WorkerResourceSpec workerResourceSpec) {
return ResourceProfile.newBuilder()
.setCpuCores(workerResourceSpec.getCpuCores())
.setTaskHeapMemory(workerResourceSpec.getTaskHeapSize())
.setTaskOffHeapMemory(workerResourceSpec.getTaskOffHeapSize())
.setManagedMemory(workerResourceSpec.getManagedMemSize())
.setNetworkMemory(workerResourceSpec.getNetworkMemSize())
.setExtendedResources(workerResourceSpec.getExtendedResources().values())
.build();
}
}