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roadmap: update TiKV transaction list #915

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Oct 8, 2018
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roadmap: update TiKV transaction list #915

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9 changes: 8 additions & 1 deletion ROADMAP.md
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Expand Up @@ -46,6 +46,7 @@ category: Roadmap
## TiKV:

### Raft

- [x] Region Merge - 合并小的 Region 以减少开销
- [x] Local Read Thread - 把读请求放在一个单独的线程处理
- [x] 批量 Region Split - 加速大的 Region 的分裂
Expand All @@ -56,25 +57,31 @@ category: Roadmap
- [ ] 多线程 Apply Pool - 在多个线程执行不同 Region 已经提交了的命令

### Engine

- [ ] Titan - 把大的 key-values 从 LSM-Tree 中分离出来
- [ ] 可拔插的 Engine 接口 - 简化接口逻辑并且提供可扩展性

### Storage

- [ ] 在 scheduler 里做流控提前避免 write stall

### Transaction
- [ ] 优化事务冲突

- [x] 优化事务冲突
- [ ] 分布式 GC - 把 MVCC 垃圾回收的逻辑分布到 TiKV 控制

### Coprocessor

- [x] Streaming - 把大的数据集切成小块返回以减少内存消耗
- [ ] Chunk Execution - 按 chunk 的方式来处理数据以提高性能
- [ ] 请求跟踪 - 提供单个请求执行的详细信息

### Tools

- [x] TiKV Importer - 通过直接导入 SST 文件的方式加速数据导入

### Client

- [ ] 提供 Rust 版本的 TiKV client
- [ ] gRPC 消息批量化 - 减少消息交互的开销

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