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US 2014/0156619 A1Published application
Locking Protocol for Partitioned and Distributed Tables
AssigneeSap SE
InventorsJuchang LEE, Jin Yeon Lee, Yongjae Chuh, Jaeyun Noh
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AssigneeSap SE
InventorsJuchang LEE, Jin Yeon Lee, Yongjae Chuh, Jaeyun Noh
Estimating the term…
Systems, methods and computer program product embodiments for providing a locking protocol for partitioned and distributed database tables are disclosed herein. A locking method includes executing, by at least one processor, a first database transaction on a second node, attempting to acquire and acquiring a lock on the second node in intentional exclusive mode, executing, by the at least one processor, a second database transaction on a first node, acquiring a lock on the first node in exclusive mode and waiting to acquire a lock on the second node in exclusive mode, routing, by the at least one processor, the first database transaction to the first node and unsuccessfully trying to acquire a lock on the first node and committing, by the at least one processor, the first database transaction.
A method, comprising:
A system, comprising:
A computer-readable device having instructions stored thereon, execution of which, by at least one computing device, causes the at least one computing device to perform operations comprising:
A method, comprising:
Dependencies are inferred from the claim text.