This page describes an older version of the product. The latest stable version is 15.0.

Space Persistency


XAP provides advanced persistency capabilities for the space architecture.


  • Overview
    XAP persistency overview.

  • Direct persistence
    Direct persistency mode support Read-Write Through

  • Hibernate integration
    The default Hibernate implementation of the Space Persistency APIs.

  • Space Data Source API
    The space Data Source API is used for reading data and meta data from the data source.

  • Space Synchronization Endpoint API
    The space synchronization endpoint API is used for synchronizing data from the space to an external application or a data base.

  • Initial Load
    Space data source initial Load pre-loads the space with data before it is available for clients.

  • Asynchronous Persistence
    Reliable Asynchronous Persistency (Mirror)

  • Transient Entries
    How to specify that some objects in a persistent space should not be saved to the persistent storage.

  • Advanced Concepts
    Space Persistency advanced topics such as advanced operations, tuning, troubleshooting, and limitations.

  • Migrating Hibernate
    XAP’s persistency approach consists of several paradigms for data persistency, according to the application needs. This section gives a basic overview of each paradigm.

  • Migrating External Data Source
    This page describes how EDS implementations prior to GigaSpaces version 9.5 should migrate to the new Space Persistency APIs.