SYSTEM FOR MAINTAINING A DISTRIBUTED DATABASE USING LEASES
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United States of America Patent
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N/A
Issued Date -
Sep 15, 2011
app pub date -
Mar 11, 2010
filing date -
Mar 11, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system and method for maintaining a database with a plurality of replicas that are geographically distributed. A plurality of tables are stored in a first replica, each table including a plurality of records. The system identifying if the record is a stub and requesting a lease from a second replica designated as master for the record if the record is a stub. The system receiving a copy of the record from the second replica and storing data fields of the record in the first replica after receiving the lease.
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