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1. (WO2018077073) DISTRIBUTED DATABASE SYSTEM, TRANSACTION PROCESSING METHOD, LOCK SERVER AND STORAGE MEDIUM

Pub. No.:    WO/2018/077073    International Application No.:    PCT/CN2017/106568
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Wed Oct 18 01:59:59 CEST 2017
IPC: G06F 17/30
Applicants: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
腾讯科技(深圳)有限公司
Inventors: XIAO, Tao
肖涛
Title: DISTRIBUTED DATABASE SYSTEM, TRANSACTION PROCESSING METHOD, LOCK SERVER AND STORAGE MEDIUM
Abstract:
A distributed database system (20), transaction processing method, a lock server (50) and storage medium, the distributed database system (20) comprising: a storage layer, configured to store partitioned data in a distributed manner; an access layer, configured to receive a transaction and request that a lock service layer locks target data which needs to be accessed by a transaction stored in the storage layer; the lock service layer, configured to determine the status of the target data according to a lock record of the storage layer, respond to the lock request of the transaction for the target data or block the lock request of the transaction for the target data, and store the same to a queue corresponding to the target data for queuing.