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

Claim 6:
7. A method comprising:
receiving, by a first computer node and from a user device, a request for information that is stored in a distributed database distributed across a plurality of computer nodes comprising the 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;
determining that the information is not stored in the first cache memory;
in response to determining that the information is not stored in the first cache memory, 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;
retrieving, by the first computer node, the information from the second cache memory of the second computer node via a computer network; and
transmitting the information to the user device.