DYNAMIC REASSIGNMENT OF DATA OWNERSHIP

DYNAMIC REASSIGNMENT OF DATA OWNERSHIP

Various techniques are described for improving the performance of a shared-nothing database system in which at least two of the nodes that are running the shared-nothing database system have shared access to a disk. Specifically, techniques are provided for changing the ownership of data in a shared...

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Hauptverfasser: CHANDRASEKARAN, SASHIKANTH, PRUSCINO, ANGELO, BAMFORD, ROGER, J
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator CHANDRASEKARAN, SASHIKANTH
PRUSCINO, ANGELO
BAMFORD, ROGER, J
description Various techniques are described for improving the performance of a shared-nothing database system in which at least two of the nodes that are running the shared-nothing database system have shared access to a disk. Specifically, techniques are provided for changing the ownership of data in a shared-nothing database dynamically, based on factors such as which node would be the most efficient owner relative to the performance of a particular operation. Once determined, the ownership of the data may be changed permanently to the new owner, or temporarily for the duration of the particular operation.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title DYNAMIC REASSIGNMENT OF DATA OWNERSHIP
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