| 摘要 |
A computer system 2 comprises a plurality of managed applications 6, 8, 10, a plurality of virtual application stores 18-22 for storing data (e.g. file and registry system entities) for respective managed applications, a shared metadata store 30 and a composer engine 24 configured to receive entity write requests from a managed application and to store metadata to identify the application store of the most recently updated application store for the entity, to receive entity read requests from another managed application and to look up in the metadata store the application store most recently updated for the requested entity and to return the entity from the application store; whereby the composer engine is configured to consolidate multiple virtual stores into a single composite virtual store.
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