| /* |
| * 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.autoscaler.realizer; |
| |
| import org.apache.flink.annotation.Experimental; |
| import org.apache.flink.autoscaler.JobAutoScalerContext; |
| import org.apache.flink.autoscaler.tuning.ConfigChanges; |
| |
| import java.util.Map; |
| |
| /** |
| * The Scaling Realizer is responsible for applying scaling actions, i.e. actually rescaling the |
| * jobs. |
| * |
| * @param <KEY> The job key. |
| * @param <Context> Instance of JobAutoScalerContext. |
| */ |
| @Experimental |
| public interface ScalingRealizer<KEY, Context extends JobAutoScalerContext<KEY>> { |
| |
| /** Update job's parallelism to parallelismOverrides. */ |
| void realizeParallelismOverrides(Context context, Map<String, String> parallelismOverrides); |
| |
| /** Updates the TaskManager memory configuration. */ |
| void realizeConfigOverrides(Context context, ConfigChanges configChanges); |
| } |