H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/14 (2006.01) G06Q 30/02 (2012.01) G06F 11/16 (2006.01) G06F 17/30 (2006.01)
Patent
CA 2446602
The architecture of the present invention employs dynamic data management methods, which determine whether data should reside on disk or secondary storage (130), on which disk drives data should be stored, and how data should be replicated and/or migrated to new disk drives based on observed user (120) access patterns. These methods also migrate popular data to faster disk tracks to reduce average access time and thus improve performance. User access requests are assigned to modules based on the data stored at each module, and each module's current load (the number of request: waiting to be serviced). If the requested data is not on a disk drived, the data is retrieved from secondary storage (130), and may be stored on the disk drives for rapid subsequent access. When a requested data item on the disk drive is replicated, load balancing is perfomred by assigning the request to the module holding the data with the lowest load. In addition, user access requests waiting to retrieve replicated data may be dynamically and seamlessly migrated to another module based on changes in module loads.
L'invention concerne un procédé de gestion de données assurant le stockage et la récupération efficaces de données en réponse aux demandes d'accès de l'utilisateur.
Chin Danny
Goode Christopher W. B.
Lerman Jesse S.
Taylor Clement G.
A. Delaware Limited Liability Company Comcast Ip Holdings I. Llc
Diva Systems Corporation
Riches Mckenzie & Herbert Llp
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