io/Agenda • What is Curve • Use Cases • CurveBS • Key Features • Comparing to Ceph • CurveFS • Comparing to Ceph • Current Status • RoadmapWhat is Curve • Curve is an distributed storage system three replicas) • csi / storage class for kubernete, nbd for HOST/VMPerformance (vs. Ceph RBD)Performance (vs. Ceph RBD)CurveBS Features • RAFT for data consistency • minor impaction when chunk server tuning, abnormal detection and schedule tuningStorage Engine Comparison (vs. Ceph) DATA CONSISTENT PROTOCOL CURVE (RAFT) CEPH WRITE SUCCESS majority write successful all write successful READ Leader of

request等） 用例设计原则  无需绑定特定环境，“随意拉起”  配置化（测试环境、测试负载定义）  控制用例时间（考虑一些折中方案）  Case独立性  Case通用性（兼顾curve、ceph等）  Tag规范(优先级、版本、运行时间)  最大化覆盖率（打乱操作顺序、随机 sleep）  精确性（checkpoint）  稳定性（避免环境因素、其他模块干扰） Cur