ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,590, issued on March 31, was assigned to Snowflake Inc. (Menlo Park, Calif.).

"Replication of hot data ranges in distributed transactional key-value stores" was invented by Ankita Kejriwal (Campbell, Calif.), Lanyue Lu (Saratoga, Calif.), Evan J. Tschannen (Hillsborough, Calif.), Xiaoxi Wang (San Mateo, Calif.) and Zhongxing Zhang (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hot server is identified from a plurality of servers based on one or more server metrics associated with the hot server. A hot data range stored by the hot server is identified based on one or more read density metrics. The hot data range comprises a rang...