Distributed
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Distributed caching is the big daddy of scalability and extensibility. The crux concept is of partitioning the cache data across the members of the cache cluster and creating a grid of cached data that can scale rather easily. There are several major players out there like with Terracotta, , and our favorite: .
I suggest looking at all options to find what best suits your requirements. Please note that each vendor has their own flavor of distributed caching and might not match our diagram. Our diagram is just a visual representation for knowledge purposes.
The Ortus Couchbase Extension is a Railo Server Extension that allows your server to natively connect to a Couchbase NoSQL Server cluster and leverage it for built-in caching, session/client storage and distribution, and much more. With our extension you will be able to scale and extend your Railo CFML applications with ease.
Store session/client variables in a distributed Couchbase cluster
Get rid of sticky session load balancers, come to the round-robin world!
Session/client variable persistence even after Railo restarts
Ability to leverage the RAM resource virtual file system as a cluster-wide file system
Cache connection capablities for providing distributed & highly scalable query, object, template, function caching
Extreme scalability
Cache data can survive server restarts if one goes down, better redundancy
Better cache availability through redundancy
Higher storage availability
Higher flexibility
Your storage increases as more cluster members are added
Harder to configure and setup (Maybe, terracotta and ColdFusion 9 is super easy)
Not as much serialization and communication costs
Could need load balancing
, the makers of CacheBox, have created a commercial extension for the open source CFML engines Railo and Lucee to support caching distribution features via Couchbase ().
The extension will enhance your Railo/Lucee server with some of the following :
