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# 一面 8.26 | ||
[滴滴聚合代驾一面 20240826.mp3](https://www.yuque.com/attachments/yuque/0/2024/mp3/22219483/1724683247946-e66c92ad-0966-409e-885d-b848846bb376.mp3?_lake_card=%7B%22src%22%3A%22https%3A%2F%2Fwww.yuque.com%2Fattachments%2Fyuque%2F0%2F2024%2Fmp3%2F22219483%2F1724683247946-e66c92ad-0966-409e-885d-b848846bb376.mp3%22%2C%22name%22%3A%22%E6%BB%B4%E6%BB%B4%E8%81%9A%E5%90%88%E4%BB%A3%E9%A9%BE%E4%B8%80%E9%9D%A2%2020240826.mp3%22%2C%22size%22%3A126755405%2C%22ext%22%3A%22mp3%22%2C%22source%22%3A%22%22%2C%22status%22%3A%22done%22%2C%22download%22%3Atrue%2C%22taskId%22%3A%22u8d632965-63a0-49d4-8455-61744441e4a%22%2C%22taskType%22%3A%22upload%22%2C%22type%22%3A%22audio%2Fmpeg%22%2C%22__spacing%22%3A%22both%22%2C%22mode%22%3A%22title%22%2C%22id%22%3A%22ua147d446%22%2C%22margin%22%3A%7B%22top%22%3Atrue%2C%22bottom%22%3Atrue%7D%2C%22card%22%3A%22file%22%7D) | ||
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1. 自我介绍 | ||
2. 中台系统 | ||
1. 简单介绍一下这是一个什么样的系统吗?背景,面向的用户,已经它的整体架构以及你在中间负责的部分 | ||
2. 为什么用go+mysql 重构 之前node+mongo 的系统 | ||
3. 这个中台系统大概有几个模块? | ||
4. 重构进行了多久呀,有多少人参与重构 | ||
5. 能大概讲一下这个重构的思路吗? | ||
6. 老服务全都切换到新的中台系统,切换是怎么进行的,理论上是不应该影响线上正常的业务的吧 | ||
7. 怎么把流量切到新服务上的呀 | ||
8. 灰度发布是在哪一层进行灰的呀?按照什么进行灰的呀?是根据地区还是用户id之类 | ||
9. 系统的用户量大概多少 | ||
10. 引入分布式缓存和负载均衡 | ||
1. 负债均衡怎么用的,用到哪了来优化性能 | ||
2. 网关层的流量分发怎么做的 | ||
3. 用分布式缓存的场景,为什么使用它,以及怎么做的? | ||
4. 为什么要使用这个分布式缓存呀 | ||
5. db如果发生更新,缓存会更新吗? | ||
3. 广告投放平台 | ||
1. 将广告素材同步到fb,字节,广点通这些平台对吧?讲一下 | ||
2. 自动化投放模块是怎么个自动化 | ||
4. 产品增加归因 | ||
1. 为什么用clickhouse | ||
2. 存到clickhouse之后你们会读吗,怎么去使用这些数据 | ||
3. 这个数据没有经过清洗就直接写到了clickhouse里了是吧 | ||
5. 游戏项目 | ||
1. 确保用户信息的安全与游戏数据的同步,这是怎么确保的呀 | ||
2. 用到了redis的一个位图,能讲讲位图的使用场景吗 | ||
3. 了解Redis的两种刷盘的方式吗 | ||
4. 使用位图记录游戏的节点解锁进度,你们是怎么配置的你们的刷盘的频率的,来保证不会出现丢失的 | ||
6. 算法:快排(15分钟) |