SYSTEM FOR CONTROLLING CONSISTENCY OF METADATA CACHE IN SAAS PLATFORM CAPABLE OF PROVIDING MULTI-TENANCY AND METHOD THEREOF

摘要

PURPOSE: A consistency control system and method of a meta data cache in an SaaS platform supporting multi-tenancy are provided to reflect the change of meta data to the meta data cache of a corresponding web application by tracking of a corresponding web application server in the change of the meta data. CONSTITUTION: Web application servers(100~102) respectively include a meta data cache(110~112). In case the saved meta data of the meta data cache is changed, a database(120) traces a corresponding web application. The corresponding web application has the previous version meta data of change-requested meta data. The database transmits the changed meta data to the web application server. The database updates the meta data cache.