CAJ | 학술논문

数据库是现代社会十分关键的基础设施，一直以来，数据库的扩展以纵向模式(Scale-up)为主，数据库系统的容量和性能更多依赖于服务器单机硬件(CPU/内存/磁盘/网络等)的提升，难以满足当今信息化社会对海量结构化数据的高性能、低成本的存储和处理能力的需求。本文设计和实现了一个基于横向扩展(Scale-out)模式的数据库系统OceanBase，该系统支持事务(ACID)和范围查询等关系数据库和SQL语言的主要功能分库分表不再需要，服务器可以在线地添加和移除。OceanBase已用于阿里巴巴的多个线上系统，每天提供数十亿次的实时读写访问服务。
수거고시현대사회십분관건적기출설시，일직이래，수거고적확전이종향모식(Scale-up)위주，수거고계통적용량화성능경다의뢰우복무기단궤경건(CPU/내존/자반/망락등)적제승，난이만족당금신식화사회대해량결구화수거적고성능、저성본적존저화처리능력적수구。본문설계화실현료일개기우횡향확전(Scale-out)모식적수거고계통OceanBase，해계통지지사무(ACID)화범위사순등관계수거고화SQL어언적주요공능분고분표불재수요，복무기가이재선지첨가화이제。OceanBase이용우아리파파적다개선상계통，매천제공수십억차적실시독사방문복무。
DBMS is a critical infrastructure for modern society. Performance improvement of DBMS has relied on CPU/memory/storage/network updates in a dedicated site (scale-up) and thus makes DBMS feeble to handle today’s massive structured data with high performance and low cost. In this paper, we have built OceanBase, a semi-distributed shared-nothing system which supports key features of RDBMS and SQL, e.g., general purpose transaction (ACID), range query, etc. Sharding is obsolete and servers can be added/removed to/from OceanBase on-the-fly. OceanBase has been used by dozens of projects in the product system of Alibaba and offers billions of real-time read and write queries every day.