org.apache.marmotta.kiwi.config.CacheMode Maven / Gradle / Ivy
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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,
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package org.apache.marmotta.kiwi.config;
/**
* Add file description here!
*
* @author Sebastian Schaffert ([email protected])
*/
public enum CacheMode {
/**
* In local cache mode, the cache is not shared among the servers in a cluster. Each machine keeps a local cache.
* This allows quick startups and eliminates network traffic in the cluster, but subsequent requests to different
* cluster members cannot benefit from the cached data.
*/
LOCAL,
/**
* In distributed cache mode, the cluster forms a big hash table used as a cache. This allows to make efficient
* use of the large amount of memory available, but requires cache rebalancing and a lot of network transfers,
* especially in case cluster members are restarted often.
*/
DISTRIBUTED,
/**
* In replicated cache mode, each node in the cluster has an identical copy of all cache data. This allows
* very efficient cache lookups and reduces the rebalancing effort, but requires more memory.
*/
REPLICATED
}