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ROADMAP: Update roadmap #762

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Jun 13, 2018
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31 changes: 20 additions & 11 deletions ROADMAP.md
Original file line number Diff line number Diff line change
Expand Up @@ -3,21 +3,30 @@
## TiDB:

- [ ] 优化器
- [ ] 重构 Ranger
- [ ] 统计信息优化
- [x] 重构 Ranger
- [ ] 代价模型优化
- [ ] Join Reorder
- [ ] 统计信息
- [x] 基于 Query Feedback 动态更新统计信息
- [x] 自动 Analyze
- [ ] 提升 Row Count 估算精度
- [ ] 执行引擎
- [ ] 下推 Projection 到 Coprocessor
- [ ] 优化 HashJoin 算子执行速度
- [ ] 算子并行化
- [ ] Compact Row Format,节省内存占用
- [x] 并行 Projection
- [ ] 并行聚合
- [ ] 并行 Sort
- [x] Compact Row Format,节省内存占用
- [ ] File Sort
- [ ] 支持 View
- [ ] 支持窗口函数
- [ ] 支持 Common Table Expression
- [ ] 支持分区表
- [ ] Hash 时间索引,解决写入热点 Region 问题
- [ ] 逆序索引
- [ ] View
- [ ] 窗口函数
- [ ] Common Table Expression
- [ ] 分区表
- [ ] 聚簇索引
- [ ] DDL 改进
- [x] Add Index 加速
- [ ] 并行 DDL
- [ ] 支持 `utf8_general_ci` collation

## TiKV:
Expand Down Expand Up @@ -51,7 +60,7 @@
## TiSpark:

- [ ] Limit/Order 下推
- [ ] DAG 接口接入(废除 Select 接口)
- [x] DAG 接口接入(废除 Select 接口)
- [ ] Index Join 和并行 merge join
- [ ] Data Federation(桥接其他数据源,最好能和社区同步,这个接进来可以比较好扩展 Usecase,如果再做一个 InputFormat 适配就可以接 Hive 和 Presto 这些 Hadoop 上的数仓)

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- [ ] On-Premise 版本 Dashboard UI
- [ ] 集群备份和恢复工具(结合物理备份)
- [ ] 数据迁移工具(Wormhole 二期)
- [ ] 安全与系统诊断
- [ ] 安全与系统诊断