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Firefox OS/Cloud Storage: Difference between revisions
Update Cache Architecture
(Change the resolution of cache architecture) |
(Update Cache Architecture) |
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** Cache store is a subset of cloud storage, so Cache system still can provide cached file content from cache store even no network connection available. | ** Cache store is a subset of cloud storage, so Cache system still can provide cached file content from cache store even no network connection available. | ||
=== Architecture === | === Architecture === | ||
[[File: | [[File:CacheArchitechture.png|thumbnail|Cache Architecture|500px]] | ||
* '''Cache Manager''' | * '''Cache Manager''' | ||
** Dispatch | ** Block-based data management | ||
** Dispatch low-level file operation from FUSE to Data/Meta Cache first | |||
** Get data from Web Storage Manager if there is no data existed in Cache. | ** Get data from Web Storage Manager if there is no data existed in Cache. | ||
* '''Meta Cache''' | * '''Meta Cache''' | ||
** | ** Metadata for each file (mdate, cdate, size, etc.) should be cached in memory or Indexed DB. | ||
* '''Data Cache''' | * '''Data Cache''' | ||
** Data Cache should store a file content requested by user for each file in order to avoid extra network transaction. | ** Data Cache should store a file content requested by user for each file in order to avoid extra network transaction. | ||