Managing multi-node multi-version systems

Details Managing multi-node multi-version systems Managing multi-node multi-version systems

2011-08-09

2011-08-09

Lee, Wilson (Department: 2163)

Data processing: database and file management or data structures

File or database maintenance

Synchronization

Reexamination Certificate

active

07996359

ABSTRACT:
A method, system, and computer usable program product for managing multi-node multi-version systems are provided in the illustrative embodiments. A process associates a version identifier with a first version of data available at a first node in the multi-node multi-version system. The version identifier corresponds to the first version of the data. The data includes an update. The process sends the data and the associated version identifier to a second node without learning a second version of data available at the second node. In one embodiment, the first version of data may be a subset of the second version of data. In another embodiment the second version of data may be a subset of the first version of data. The process repeats the sending for each update at the first node.

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