title | category |
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TiDB 1.0 release notes |
Releases |
2017 年 10 月 16 日,TiDB 发布 GA 版(TiDB 1.0)。该版本对 MySQL 兼容性、SQL 优化器、系统稳定性、性能做了大量的工作。
-
SQL 查询优化器
- 调整代价模型
- Analyze 下推
- 函数签名下推
-
优化内部数据格式,减小中间结果大小
-
提升 MySQL 兼容性
-
支持
NO_SQL_CACHE
语法,控制存储引擎对缓存的使用 -
重构 Hash Aggregator 算子,降低内存使用
-
支持 Stream Aggragator 算子
- 支持基于读流量的热点调度
- 支持设置 Store 权重,以及基于权重的调度
- Coprocessor 支持更多下推函数
- 支持取样操作下推
- 支持手动触发数据 Compact,用于快速回收空间
- 提升性能和稳定性
- 增加 Debug API,方便调试
- 支持可配置框架
- 支持 ThriftSever/JDBC 和 Spark SQL 脚本入口
- Archon
- Mobike
- SpeedyCloud
- UCloud
- 腾讯云
- 韩国三星研究院
- Asta Xie
- CNCF
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- Databricks
- Docker
- Github
- Grafana
- gRPC
- Jepsen
- Kubernetes
- Namazu
- Prometheus
- RedHat
- RocksDB Team
- Rust Team
- 8cbx
- Akihiro Suda
- aliyx
- alston111111
- andelf
- Andy Librian
- Arthur Yang
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- Bai, Yang
- bailaohe
- Bin Liu
- Blame cosmos
- Breezewish
- Carlos Ferreira
- Ce Gao
- Changjian Zhang
- Cheng Lian
- Cholerae Hu
- Chu Chao
- coldwater
- Cole R Lawrence
- cuiqiu
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- David Chen
- David Ding
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- Deshi Xiao
- Di Tang
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- jacky liu
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- Jianfei Wang
- Jiaxing Liang
- Jie Zhou
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- li
- Li Shihai
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