org.apache.cassandra.service.CacheServiceMBean 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.cassandra.service;
import java.util.concurrent.ExecutionException;
public interface CacheServiceMBean
{
public int getRowCacheSavePeriodInSeconds();
public void setRowCacheSavePeriodInSeconds(int rcspis);
public int getKeyCacheSavePeriodInSeconds();
public void setKeyCacheSavePeriodInSeconds(int kcspis);
public int getCounterCacheSavePeriodInSeconds();
public void setCounterCacheSavePeriodInSeconds(int ccspis);
public int getRowCacheKeysToSave();
public void setRowCacheKeysToSave(int rckts);
public int getKeyCacheKeysToSave();
public void setKeyCacheKeysToSave(int kckts);
public int getCounterCacheKeysToSave();
public void setCounterCacheKeysToSave(int cckts);
/**
* invalidate the key cache; for use after invalidating row cache
*/
public void invalidateKeyCache();
/**
* invalidate the row cache; for use after bulk loading via BinaryMemtable
*/
public void invalidateRowCache();
public void invalidateCounterCache();
public void setRowCacheCapacityInMB(long capacity);
public void setKeyCacheCapacityInMB(long capacity);
public void setCounterCacheCapacityInMB(long capacity);
/**
* save row and key caches
*
* @throws ExecutionException when attempting to retrieve the result of a task that aborted by throwing an exception
* @throws InterruptedException when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
*/
public void saveCaches() throws ExecutionException, InterruptedException;
}