Distributed Database Locking

Abstract: techniques are disclosed relating to orchestrating locking between database nodes of a database system. a database node can determine that an execution of a database transaction at the database node involves acquiring a lock. the database node acquires, from a separate lease manager node, a lease object that permits the database node to create the lock for the database transaction. as a part of provisioning that lease object to the database node, the lease manager node ensures that a lease object for creating locks that conflict with the lock is not held by another database node. the database node creates the lock for the database transaction based on the acquired lease object. as a part of creating that lock, the database node ensures that the lock does not conflict with a lock held by another database transaction executing at the database node.

Inventor(s): Atish Agrawal, Jameison Bear Martin

CPC Classification: G06F16/2343 ({Locking methods, e.g. distributed locking or locking implementation details})

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