FIELD: information technology.
SUBSTANCE: in a multi-tenant data sharing environment with shared customisable data, attributes are assigned to requested data and stored in a cache store along with the requested data. For non-customised data designated as system data, one copy is stored in the cache store for use by multiple tenants, allowing optimisation of memory and performance for each data request/retrieval operation. A "delete sentinel" attribute may be assigned to non-existing data in the cache store enabling notification of requesting tenant(s) without the need to access the tenant data store each time a request for the non-existing data is received.
EFFECT: optimising memory and performance in multi-tenant data sharing environment.
20 cl, 7 dwg
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