From fbf7c60777faa2b5035acd65ad9702a3371e167c Mon Sep 17 00:00:00 2001 From: Roger Song Date: Wed, 11 Sep 2024 23:21:29 +0800 Subject: [PATCH] enable tidb_enable_inl_join_inner_multi_pattern by default --- releases/release-8.4.0.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/releases/release-8.4.0.md b/releases/release-8.4.0.md index d17876467b5c..c1d40f466c35 100644 --- a/releases/release-8.4.0.md +++ b/releases/release-8.4.0.md @@ -139,7 +139,7 @@ TiDB 版本：8.4.0 | 变量名 | 修改类型（包括新增/修改/删除） | 描述 | |--------|------------------------------|------| -| | | | +| [`tidb_enable_inl_join_inner_multi_pattern`](/system-variables.md#tidb_enable_inl_join_inner_multi_pattern-从-v700-版本开始引入) | 修改 | 默认值改为 `ON`。当内表上有 `Selection` 或 `Projection` 算子时默认支持 Index Join | | | | | | | | | | | | | @@ -183,6 +183,7 @@ TiDB 版本：8.4.0 - 优化处理大量数据的 DML 性能 [#50215](https://github.com/pingcap/tidb/issues/50215) @[ekexium](https://github.com/ekexium) **tw@qiancai** - 优化器估行的最小值为`1`，与其他数据库行为一致 [#47400](https://github.com/pingcap/tidb/issues/47400) @[terry1purcell](https://github.com/terry1purcell) **tw@Oreoxmt** - 为日志表 [`mysql.tidb_runaway_queries`](/mysql-schema/mysql-schema.md#runaway-queries-相关系统表) 增加写入控制，降低并发大量写入引发的开销 [#issue号](链接) @[HuSharp](https://github.com/HuSharp) **tw@lilin90** + - 当内表上有 `Selection` 或 `Projection` 算子时默认支持 Index Join [#issue号](链接) @[winoros](https://github.com/winoros) **tw@qiancai** + TiKV