XML-Based Metadata
GigaSpaces provides the gs.xml Space
Where GigaSpaces data is stored. It is the logical cache that holds data objects in memory and might also hold them in layered in tiering. Data is hosted from multiple SoRs, consolidated as a unified data model. mapping configuration file so you can define Space class metadata when using a PONO class with getter or setter methods. Space mapping files are also required when using PONO objects with the ExternalDataSource interface. The gs.xml configuration file is loaded when the application and space are Started.
The gs.xml files can be edited to include GigaSpaces specific attributes (property metadata).