Patent ID: 11960487
Assignee: PAYPAL, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 13:
14. A non-transitory machine-readable medium having stored thereon machine-readable instructions executable to cause a machine to perform operations comprising:
receiving, from a user device, a request for information that is stored in a distributed database distributed across a plurality of computer nodes comprising a first computer node, wherein the first computer node comprises (i) a first database storing data associated with the distributed database and (ii) a first cache memory;
in response to determining that the information is not stored in the first cache memory and without accessing the first database, determining, based on accessing a cache index, that the information is stored in a second cache memory of a second computer node from the plurality of computer nodes, wherein the second computer node is different from the first computer node;
in response to determining that the second computer node is available, retrieving the information from the second cache memory of the second computer node; and
transmitting the information to the user device.