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releases: add TiDB 5.1.1 release notes #6733

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merged 14 commits into from
Jul 30, 2021
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releases: add TiDB 5.1.1 release notes #6733

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3e0f841
releases: add TiDB 5.1.1 release notes
TomShawn Jul 26, 2021
8f0ade7
add tiflash notes
TomShawn Jul 28, 2021
59d5b89
add tools and tikv notes
TomShawn Jul 29, 2021
bba0e06
refine
TomShawn Jul 29, 2021
a011ac7
Merge remote-tracking branch 'upstream/master' into 5.1.1-rn
TomShawn Jul 29, 2021
8727fc6
refine tikv, pd, tools, tiflash notes
TomShawn Jul 29, 2021
3e57072
add tidb notes
TomShawn Jul 29, 2021
4720c8d
review and rewrite for tidb notes
TomShawn Jul 29, 2021
5296389
Update release-5.1.1.md
TomShawn Jul 30, 2021
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change pr to issue
TomShawn Jul 30, 2021
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change pr to issue
TomShawn Jul 30, 2021
d471507
fix
TomShawn Jul 30, 2021
ea796c4
minor wording fix
TomShawn Jul 30, 2021
a72c828
Update releases/release-5.1.1.md
TomShawn Jul 30, 2021
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1 change: 1 addition & 0 deletions TOC.md
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Expand Up @@ -545,6 +545,7 @@
+ 版本发布历史
+ [发布版本汇总](/releases/release-notes.md)
+ v5.1
- [5.1.1](/releases/release-5.1.1.md)
- [5.1.0](/releases/release-5.1.0.md)
+ v5.0
- [5.0.3](/releases/release-5.0.3.md)
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30 changes: 30 additions & 0 deletions releases/release-5.1.1.md
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@@ -0,0 +1,30 @@
---
title: TiDB 5.1.1 Release Notes
---

# TiDB 5.1.1 Release Notes

## 兼容性更改

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## 功能增强

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+ TiFlash

- 支持 DAG 请求中的 `HAVING()` 函数

## 改进提升

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## Bug 修复

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+ TiFlash

- 修复处理扫表任务时出现进程崩溃的潜在问题
- 修复处理 DAG 请求时出现 `duplicated region` 报错的问题
- 修复读负载高的情况下进程崩溃的问题
- 修复执行 `DateFormat` 函数时出现进程崩溃的潜在问题
- 修复处理 MPP 任务时出现内存泄漏的潜在问题
- 修复执行 `COUNT` 或 `COUNT DISTINCT` 函数时出现非预期结果的问题
- 修复多盘部署时出现数据无法恢复的潜在问题
- 修复 TiDB Dashboard 无法正确显示 TiFlash 磁盘信息的问题
- 修复析构 `SharedQueryBlockInputStream` 时出现进程崩溃的潜在问题
- 修复析构 `MPPTask` 时出现进程崩溃的潜在问题
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1 change: 1 addition & 0 deletions releases/release-notes.md
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Expand Up @@ -9,6 +9,7 @@ TiDB 历史版本发布声明如下：

## 5.1

- [5.1.1](/releases/release-5.1.1.md)
- [5.1.0](/releases/release-5.1.0.md)

## 5.0
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