US Patent Issued to Oracle International on Aug. 5 for "Recovery from loss of leader during asynchronous database transaction replication" (California Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,130, issued on Aug. 5, was assigned to Oracle International Corp. (Redwood Shores, Calif.).

"Recovery from loss of leader during asynchronous database transaction replication" was invented by Lik Wong (Palo Alto, Calif.), Leonid Novak (Castro Valley, Calif.), Sampanna Salunke (San Carlos, Calif.), Mark Dilman (Sunnyvale, Calif.) and Wei-Ming Hu (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lead-sync log record is used to synchronize the replication logs of follower shards to the leader shard. In response to a failure to determine that there is a consensus for a database transaction commit operation after a shard server becomes a...