Dynamic redistribution of a distributed memory index when...

Details Dynamic redistribution of a distributed memory index when... Dynamic redistribution of a distributed memory index when...

2011-06-14

2011-06-14

Timblin, Robert (Department: 2167)

Data processing: database and file management or data structures

File or database maintenance

Database backup

C707S653000

Reexamination Certificate

active

07962453

ABSTRACT:
Techniques for performing window-by-window remastering are described, in which the mechanism used by nodes to determine the resource-to-window mapping is separated from the mechanism used by the nodes to access resource information. For example, all nodes of a multiple-node system may use the same hash function to determine which resources are involved in a remastering window. However, the resource indexes employed by the nodes to access resource information need not use that same hash function. For example, in nodes where the resource indexes are hash indexes, different nodes may use different hash functions. Further, some or all of the nodes may use mechanisms other than hash indexes to access the resource information.

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