org.apache.flink.runtime.state.gemini.engine.vm.CacheManager 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.state.gemini.engine.vm;
import org.apache.flink.runtime.state.gemini.engine.GTable;
import org.apache.flink.shaded.netty4.io.netty.util.concurrent.EventExecutor;
import java.io.Closeable;
/**
* CacheManager.
*/
public interface CacheManager extends Closeable {
void start();
void addIndexCapacity(int indexCapacity);
long getPageUsedMemory();
boolean forbidIndexExpand();
WaterMark getIndexCapacityWaterMark();
WaterMark getMemWaterMark(int addEstimatedSize);
CacheStats getCacheStats();
void addTable(GTable gTable);
EvictPolicy getEvictPolicy();
void addRegionEventExecutor(EventExecutor regionEventExecutor);
long getTotalTargetEvictSize();
long getMemLowMark();
long getMemMidMark();
long getMemHighMark();
int getReadPageCacheLRUSize();
}