Caching in web application

[tausif.razi]

Hey,

I think you guys are making a pretty good forum.

Since , I am new to caching I need some help in understanding cache in general (What is caching ?? adv n disadv of caching).

And how can I implement caching in my web application.

Please let me know about the tutorials or any relevant documents you guys have.

Thanks,

Tausif

[schmyrczyk]

Hello Mohammad,

Do you already know which version of JBoss Cache or Infinispan are you going to use?

If you are not sure: On which JBoss version is your web application running?

Regards,

Lukas

[tausif.razi]

Hey Lukas,

Hope u r doing great.

I am new to caching itself forget about JBoss.

So I need some important information and knowledge before I start implementing it in my project.

We are planning to use CouchBase .But , still we are looking for a better option.May be JBoss cache we will use.

But before that I need to understand about the caching as a whole.

Regards,

Tausif

[schmyrczyk]

Hey,

at first you should gather some information about the topic cache itself.

There is a good explanation at wikipedia (https://en.wikipedia.org/wiki/Cache_(computing)).

I am not familiar with CouchBase. But since it provides key-value based access it sounds like a mix of a cache and a database.

Most java cache implementations are key-value-based. So you can access them like a map.

Here is an example how to access an infispan cache instance (Source: https://docs.jboss.org/author/display/ISPN/Getting+Started+Guide#GettingStartedGuide-5minutetutorial):

38.       // Add a entry

39.       cache.put("key", "value");

40.       // Validate the entry is now in the cache

41.       assertEqual(1, cache.size());

42.       assertTrue(cache.containsKey("key"));

43.       // Remove the entry from the cache

44.       Object v = cache.remove("key");

45.       // Validate the entry is no longer in the cache

46.       assertEqual("value", v);

In the past I have also worked with EHCache and JBoss Cache. They are used in a similar way like Infinispan. I have also to mention that there is no "best" cache. You have to evaluate some cache implementations for you project because it depends on a lot of aspects like access speed, clustering capabilities, caching algorithms, etc.

For further information you could look up the following websites:

http://www.coderanch.com/how-to/java/CachingStrategies

http://infinispan.blogspot.co.uk/2010/02/infinispan-as-local-cache.html

But do not forget evaluate your desired cache in order to get the best results for your application.

Regards,

Lukas