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[FLINK-31215] Backpropagate processing rate limits from non-scalable …
…bottlenecks to upstream operators
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flink-autoscaler/src/main/java/org/apache/flink/autoscaler/IntermediateScalingResult.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.autoscaler; | ||
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| import org.apache.flink.runtime.jobgraph.JobVertexID; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| /** Class for storing intermediate scaling results. */ | ||
| public class IntermediateScalingResult { | ||
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| private final Map<JobVertexID, ScalingSummary> scalingSummaries; | ||
| private final List<JobVertexID> bottlenecks; | ||
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| private double backpropagationScaleFactor = 1.0; | ||
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| public IntermediateScalingResult() { | ||
| scalingSummaries = new HashMap<>(); | ||
| bottlenecks = new ArrayList<>(); | ||
| } | ||
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| void addScalingSummary(JobVertexID vertex, ScalingSummary scalingSummary) { | ||
| scalingSummaries.put(vertex, scalingSummary); | ||
| } | ||
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| void addBottleneckVertex(JobVertexID bottleneck, double factor) { | ||
| bottlenecks.add(bottleneck); | ||
| backpropagationScaleFactor = Math.min(backpropagationScaleFactor, factor); | ||
| } | ||
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| public List<JobVertexID> getBottlenecks() { | ||
| return bottlenecks; | ||
| } | ||
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| public double getBackpropagationScaleFactor() { | ||
| return backpropagationScaleFactor; | ||
| } | ||
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| public Map<JobVertexID, ScalingSummary> getScalingSummaries() { | ||
| return scalingSummaries; | ||
| } | ||
| } |
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34 changes: 34 additions & 0 deletions
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flink-autoscaler/src/main/java/org/apache/flink/autoscaler/VertexScalingResult.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.autoscaler; | ||
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| import lombok.AllArgsConstructor; | ||
| import lombok.Getter; | ||
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| /** Class for storing information on how a single vertex is scaled. */ | ||
| @AllArgsConstructor | ||
| @Getter | ||
| public class VertexScalingResult { | ||
| private int parallelism; | ||
| private double bottleneckScaleFactor; | ||
| private boolean isBottleneck; | ||
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| public static VertexScalingResult normalScaling(int parallelism) { | ||
| return new VertexScalingResult(parallelism, 1.0, false); | ||
| } | ||
| } |
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