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Definitions
- Stateless - In the scope of the FOLIO back-end modules it means that neither session information nor business flow-related data is retained in the memory or other persistence mechanism managed by the module. Relevant data is sent to the module by the client in such a way that every HTTP request can be understood and handled in isolation without context information from previous or simultaneous requests. There is nothing that leads to the dependence of one HTTP request on another except the content of the database. This does not apply to any sort of soft data (caches) that can be easily read from the persistent storage.
- Horizontalscaling - it means that adding more instances of a particular module to (or removing redundant instances from) the deployed FOLIO platform does not affect, break, or disrupt existing business flows or user sessions in any way.
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