If you're considering using Spring or Hibernate with IBM® WebSphere® Application Server, this article explains how to configure these frameworks for various scenarios with WebSphere Application Server. This article is not an exhaustive review of either framework, but a critical reference to help you successfully implement such scenarios.
Keep in mind that the 'batch-size' parameter has *no* bearing on how many elements inside the collection are loaded . Instead, it defines how many collections should be loaded in a single select