SYSTEM FOR IMPROVED RECORD CONSISTENCY AND AVAILABILITY

SYSTEM FOR IMPROVED RECORD CONSISTENCY AND AVAILABILITY

A method, apparatus, and article of manufacture for providing a globally consistent view of the state of a set of records replicated to multiple servers. Updates to the records are replicated synchronously to a single server chosen by hashing the identifier of the record, known as the responsible se...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KREINDLER JACK
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A method, apparatus, and article of manufacture for providing a globally consistent view of the state of a set of records replicated to multiple servers. Updates to the records are replicated synchronously to a single server chosen by hashing the identifier of the record, known as the responsible server for that record, then asynchronously to all the other servers. Reads are performed on the responsible server for the desired record if it is available; otherwise, any other server can provide a possibly slightly out-of-date version of the record.