terraza de aravaca: JPA implementations comparison: Hibernate, Toplink Essentials, Openjpa, Eclipselink
Vergleich verschiedener JPAs
In looking at your code, none of your queries actually return an objects. They are all count queries, returning a single number. Hardly a typical usage of object-relational mappings, makes the comparison not very useful.
398JPA implementation patterns: Wrap-up | Xebia Blog
After discovering that there was a lack of documentation on how to use JPA in real-life scenario's, the author has written a series of blog posts about the JPA implementation patterns he discovered while writing JPA code
After discovering that there was a lack of documentation on how to use JPA in real-life scenario's, I have written a series of blogs about the JPA implementation patterns I discovered while writing JPA code. To wrap up the series, I have made an overview of all the patterns that have been discussed for easy reference.Alex Miller - Hibernate query cache considered harmful?
Alex Miller's technical blog on Java, concurrency, programming, design, languages, and more
Hibernate et la gestion du cacheNoSQL with MySQL in Ruby - Friendly
How to unit test NHibernate code using an in memory SQL Lite database.
Unit Testing NHibernate from Ayendehas_many :bugs, :through => :rails: Active Record Query Interface 3.0
LazyProxyFactoryDrop-dead simple Django caching - Die in a Fire - Eric Florenzano’s Blog
Caching is easy to screw up. Usually it's a manual process which is error-prone and tedious. It's actually quite easy to cache, but knowing when to invalidate which caches becomes a lot harder. There is a subset of caching the caching problem that, with Django, can be done quite easily. The underlying idea is that every Django model has a primary key, which makes for an excellent key to a cache. Using this basic idea, we can cover a fairly large use case for caching, automatically, in a much more deterministic way. Let's begin.
some sample caching codeHibernate Performance Tuning | Javalobby
t Level Cache (aka Transaction layer level cache)
performance tuning tips for hibernate.Best articleCode-First Development with Entity Framework 4 - ScottGu's Blog