Java Persistence Performance

Tuesday, August 13, 2013

Optimizing Java Serialization - Java vs XML vs JSON vs Kryo vs POF

Perhaps I'm naive, but I always thought Java serialization must surely be the fastest and most efficient way to serialize Java objects i...

Thursday, June 20, 2013

EclipseLink supports HQL and several advanced new JPQL features

EclipseLink 2.5 added several new JPQL features and supported syntax. These include: HQL compatibility Array expressions Hierarchical sele...

Monday, June 10, 2013

Cool performance features of EclipseLink 2.5

The main goal of the EclipseLink 2.5 release was the support of the JPA 2.1 specification, as EclipseLink 2.5 was the reference implementati...

Tuesday, May 28, 2013

Batch Writing, and Dynamic vs Parametrized SQL, how well does your database perform?

One of the most effective database optimizations is batch writing. Batch writing is supported by most modern databases and part of the JDBC...

Thursday, March 7, 2013

But what if I'm not querying by id? (database and cache indexes)

Most data models define a sequence generated numeric primary key. This is the most efficient key to use as it is a single efficient guarant...

Thursday, January 3, 2013

Got Cache? improve data access by 97,322%

Caching is the most valuable optimization one can make in software development. Making something run faster is nice, but it can never beat ...

Tuesday, November 13, 2012

EclipseLink 15x faster than other JPA providers

I'm sorry to disappoint those of you looking to see some canned benchmark showing how EclipseLink dominates over all competitors in perf...