Replicated Cache
What is the minimum configuration to get replicated caching going?
The minimum configuration you need to get replicated caching going is:
<cacheManagerPeerProviderFactory
class="net.sf.ehcache.distribution.RMICacheManagerPeerProviderFactory"
properties="peerDiscovery=automatic,
multicastGroupAddress=230.0.0.1,
multicastGroupPort=4446"/>
<cacheManagerPeerListenerFactory
class="net.sf.ehcache.distribution.RMICacheManagerPeerListenerFactory"/>
and then at least one cache declaration with
<cacheEventListenerFactory
class="net.sf.ehcache.distribution.RMICacheReplicatorFactory"/`>
in it. An example cache is:
<cache name="sampleDistributedCache1"
maxEntriesLocalHeap="10"
eternal="false"
timeToIdleSeconds="100"
timeToLiveSeconds="100">
<cacheEventListenerFactory
class="net.sf.ehcache.distribution.RMICacheReplicatorFactory"/>
</cache>
Each peer server can have the same configuration.
How do I add a CacheReplicator to a cache that already exists?
The cache event listening works, but it does not get plumbed into the peering mechanism. The current API does not have a CacheManager event for cache configuration change. You can however make it work by calling the notifyCacheAdded event.
getCache().getCacheManager().getCacheManagerEventListenerRegistry().notifyCacheAdded("cacheName");
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