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

Claim 0:
1. A system comprising:
one or more hardware processors; and
one or more machine-readable storage media having instructions stored thereon that, in response to being executed by the one or more hardware processors, cause the system to perform operations 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 and without accessing the first database, determining, based on 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 the information from the second cache memory of the second computer node via a computer network; and
transmitting the information to the user device.