hadoop PredictionSkylineStore 源码
haddop PredictionSkylineStore 代码
文件路径：/hadoop-tools/hadoop-resourceestimator/src/main/java/org/apache/hadoop/resourceestimator/skylinestore/api/PredictionSkylineStore.java
/*
*
* 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.hadoop.resourceestimator.skylinestore.api;
import org.apache.hadoop.resourceestimator.skylinestore.exceptions.SkylineStoreException;
import org.apache.hadoop.yarn.server.resourcemanager.reservation.RLESparseResourceAllocation;
/**
* PredictionSkylineStore stores the predicted
* {@code RLESparseResourceAllocation} of a job as computed by the
* {@code Estimator} based on the {@code ResourceSkyline}s of past executions in
* the {@code HistorySkylineStore}.
*/
public interface PredictionSkylineStore {
/**
* Add job's predicted {@code Resource} allocation to the <em>store</em>
* indexed by the {@code
* pipelineId}.
* <p> Note that right now we only keep the latest copy of predicted
* {@code Resource} allocation for the recurring pipeline.
*
* @param pipelineId the id of the recurring pipeline.
* @param resourceOverTime the predicted {@code Resource} allocation for the
* pipeline.
* @throws SkylineStoreException if input parameters are invalid.
*/
void addEstimation(String pipelineId,
RLESparseResourceAllocation resourceOverTime)
throws SkylineStoreException;
/**
* Return the predicted {@code Resource} allocation for the pipeline.
* <p> If the pipelineId does not exist, it will return <em>null</em>.
*
* @param pipelineId the unique id of the pipeline.
* @return the predicted {@code Resource} allocation for the pipeline.
* @throws SkylineStoreException if pipelineId is <em>null</em>.
*/
RLESparseResourceAllocation getEstimation(String pipelineId)
throws SkylineStoreException;
}
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