业务特点:运单状态变更频繁(揽件→运输→签收),需支持高并发更新与历史轨迹查询。 每日处理 600万+ 运单状态变更,P99延迟从 1.5s 降低至520ms; 运单分析实时更新,按主键整行更新,并且整个链路更新时效小于 5 秒; 单笔运单计算时长从以前的 90 秒缩短 ...
受益于BSI和字典服务对查询性能和存储成本的优化,生产业务在使用BSI+字典服务的方案后,将之前30天~90天的时间范围圈选扩大到了一年,目前整体的p50查询延迟可以保证在500ms左右,p90查询延迟可以保证在5s左右。 可以看到,BSI+字典服务的方案与预聚合Bitmap ...
The Chinese Table Tennis Association unveiled eight proposals on fans' civilized game watching behaviors on its official website on Tuesday, aiming to maintain the healthy development of the sport and ...
2S是5S根基,落地需员工参与、工具优化及可视管理。 走进许多工厂,都会看到“5S管理”的宣传标语,但真正做到的有多少?整理、整顿、清洁 ...
A video showing a man standing on a table and peeing into a hotpot went viral online on Thursday. In the video, the man also laughed and said that the restaurant, Haidilao, China's hotpot chain, had ...