Patents by Inventor Xiaokai Wu

Xiaokai Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Low latency cache synchronization in distributed databases
    Patent number: 11210272
    Abstract: An example distributed database includes a first instance and a second instance. The first instance is configured to: responsive to performing, within a scope of a database update transaction, a first database update operation, invalidate a cache entry residing in the first database cache maintained by the first instance, wherein the first database update operation is reflected by a transaction log maintained by the first instance; perform, within the scope of the database update transaction, a second database update operation to insert an identifier of the cache entry into a predetermined table of the distributed database, wherein the second database update operation is reflected by the transaction log; and responsive to committing the database update transaction, transmit the transaction log to the second instance.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: December 28, 2021
    Assignee: Electronic Arts Inc.
    Inventors: Xinfeng Zhang, Mengxin Ye, Zhifeng Chen, Xiaokai Wu
  • LOW LATENCY CACHE SYNCHRONIZATION IN DISTRIBUTED DATABASES
    Publication number: 20200311038
    Abstract: An example distributed database includes a first instance and a second instance. The first instance is configured to: responsive to performing, within a scope of a database update transaction, a first database update operation, invalidate a cache entry residing in the first database cache maintained by the first instance, wherein the first database update operation is reflected by a transaction log maintained by the first instance; perform, within the scope of the database update transaction, a second database update operation to insert an identifier of the cache entry into a predetermined table of the distributed database, wherein the second database update operation is reflected by the transaction log; and responsive to committing the database update transaction, transmit the transaction log to the second instance.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 1, 2020
    Inventors: Xinfeng Zhang, Mengxin Ye, Zhifeng Chen, Xiaokai Wu
  • Adapter
    Patent number: D878292
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: March 17, 2020
    Assignee: SHENZHEN AOGUO TRADING CO., LTD.
    Inventor: Xiaokai Wu