Can google cache work in a clustered environment

Question

I am caching data in a singleton ejb using google cache. And the cached resources are used by multiple ejbs. But now am not sure if the same application will work if deployed in a multinoded clustered environment where multiple JVMs can be present.

Please advise!

Answer 1

No, Guava Cache is not suitable for your use case, because it stores data in memory. See this wiki page:

Generally, the Guava caching utilities are applicable whenever:

• You are willing to spend some memory to improve speed.
• You expect that keys will sometimes get queried more than once.
• Your cache will not need to store more data than what would fit in RAM. (Guava caches are local to a single run of your application. They do not store data in files, or on outside servers. If this does not fit your needs, consider a tool like Memcached.)

I can recommend you using Ehacache, it's very powerful and configurable.