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releases: add 5.4.2 release notes #10275

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65b9030
add 5.4.2 draft
ran-huang Jun 27, 2022
ab6e675
Update releases/release-5.4.2.md
zanmato1984 Jun 28, 2022
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Update releases/release-5.4.2.md
ran-huang Jun 28, 2022
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Update releases/release-5.4.2.md
ran-huang Jun 28, 2022
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add tikv notes
ran-huang Jun 28, 2022
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get duplicated notes
ran-huang Jun 28, 2022
32e0fb1
add sql-infra notes
ran-huang Jun 29, 2022
7cfc5f2
Merge branch 'master' into release-notes-5.4.2
ran-huang Jul 1, 2022
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update
ran-huang Jul 1, 2022
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Update releases/release-5.4.2.md
ran-huang Jul 4, 2022
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add ticdc notes
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ran-huang Jul 4, 2022
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add dp notes
ran-huang Jul 4, 2022
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add 1 cdc note
ran-huang Jul 4, 2022
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process planner, transaction, sql-infra part
TomShawn Jul 6, 2022
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Update releases/release-5.4.2.md
TomShawn Jul 6, 2022
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tiflash and br parts
shichun-0415 Jul 6, 2022
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update release 5.4.2
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ran-huang Jul 7, 2022
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ran-huang Jul 8, 2022
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ran-huang Jul 8, 2022
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1 change: 1 addition & 0 deletions TOC.md
Original file line number Diff line number Diff line change
Expand Up @@ -868,6 +868,7 @@
- v6.0
- [6.0.0-DMR](/releases/release-6.0.0-dmr.md)
- v5.4
- [5.4.2](/releases/release-5.4.2.md)
- [5.4.1](/releases/release-5.4.1.md)
- [5.4.0](/releases/release-5.4.0.md)
- v5.3
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54 changes: 54 additions & 0 deletions releases/release-5.4.2.md
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@@ -0,0 +1,54 @@
---
title: TiDB 5.4.2 Release Notes
---

# TiDB 5.4.2 Release Notes

发版日期:2022 年 x 月 x 日

TiDB 版本:5.4.2

## 兼容性更改
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## 兼容性更改


## 提升改进
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+ TiKV

- Reload TLS certificate automatically when it changes. [#12546](https://github.com/tikv/tikv/issues/12546)
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(dup: release-6.1.0.md > 改进提升> TiKV)- 健康检查可以检测到无法正常工作的 Raftstore,使得 TiKV client 可以及时更新 Region Cache [#12398](https://github.com/tikv/tikv/issues/12398)
- Use `posix_fallocate` for space reservation. [#12543](https://github.com/tikv/tikv/issues/12543)
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(dup: release-5.2.4.md > 提升改进> TiKV)- 通过将 leader 转让给 CDC observer 减少延迟抖动 [#12111](https://github.com/tikv/tikv/issues/12111)

+ PD
(dup: release-6.1.0.md > 改进提升> PD)- 默认关闭编译 swagger server [#4932](https://github.com/tikv/pd/issues/4932)

## Bug 修复
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+ TiDB

- 修复在网络断连时,断连的会话资源可能没有清理的问题。[#34722](https://github.com/pingcap/tidb/issues/34722)
- 修复在查询包含 CTE 的视图时,可能误报 `references invalid table` 的问题。[#33965](https://github.com/pingcap/tidb/issues/33965)
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+ TiKV

- Fix the issue of unexpected `panic` on analyzed statistics when `max_sample_size` is set to `0`. [#11192](https://github.com/tikv/tikv/issues/11192)
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(dup: release-6.0.0-dmr.md > Bug 修复> TiKV)- 修复 TiKV 在退出时可能误报 panic 的问题 [#12231](https://github.com/tikv/tikv/issues/12231)
- Fix possible panic when source peer catch up logs by snapshot in merge [#12663](https://github.com/tikv/tikv/issues/12663)
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- Fix potential panic when a peer is being split and destroyed at the same time [#12825](https://github.com/tikv/tikv/issues/12825)
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- Fix bug which causes frequent pd client reconnection [#12345](https://github.com/tikv/tikv/issues/12345)
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- Fix a wrong check in datetime when the datetime has a fraction and 'Z' [#12739](https://github.com/tikv/tikv/issues/12739)
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- Fix tikv crash when conv empty string [#12673](https://github.com/tikv/tikv/issues/12673)
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- Fix possible duplicate commit record in async-commit pessimistic transactions. [#12615](https://github.com/tikv/tikv/issues/12615)
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(dup: release-6.1.0.md > 错误修复> TiKV)- 修复进行 Follower Read 时,可能会报 `invalid store ID 0` 错误的问题 [#12478](https://github.com/tikv/tikv/issues/12478)
(dup: release-6.1.0.md > 错误修复> TiKV)- 修复销毁 peer 和批量分裂 Region 之间的竞争导致的 TiKV panic [#12368](https://github.com/tikv/tikv/issues/12368)
(dup: release-5.2.4.md > Bug 修复> TiKV)- 修复 tikv-ctl 对 `bad-ssts` 结果字符串进行错误匹配的问题 [#12329](https://github.com/tikv/tikv/issues/12329)
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+ PD
(dup: release-6.1.0.md > 错误修复> PD)- 修复 `not leader` 的 status code 有误的问题 [#4797](https://github.com/tikv/pd/issues/4797)
- 修复因为 region 没有 leader 而导致热点调度 panic 的问题 [#5005](https://github.com/tikv/pd/issues/5005)
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(dup: release-6.1.0.md > 错误修复> PD)- 修复 PD leader 转移后调度不能立即启动的问题 [4769](https://github.com/tikv/pd/issues/4769)
(dup: release-6.1.0.md > 错误修复> PD)- 修复在某些特殊情况下 TSO fallback 的问题 [#4884](https://github.com/tikv/pd/issues/4884)

+ PingCAP/TiFlash
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<!--compute-->
- 修复因为溢出导致的 Decimal 比较结果错误. [#4512](https://github.com/pingcap/tiflash/issues/4512)
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1 change: 1 addition & 0 deletions releases/release-notes.md
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Expand Up @@ -17,6 +17,7 @@ TiDB 历史版本发布声明如下:

## 5.4

- [5.4.2](/releases/release-5.4.2.md)
- [5.4.1](/releases/release-5.4.1.md)
- [5.4.0](/releases/release-5.4.0.md)

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1 change: 1 addition & 0 deletions releases/release-timeline.md
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Expand Up @@ -9,6 +9,7 @@ summary: 了解 TiDB 的版本发布时间线。

| 版本 | 发布日期 |
| :--- | :--- |
| [5.4.2](/releases/release-5.4.2.md) | 2022-xx-xx |
| [5.3.2](/releases/release-5.3.2.md) | 2022-06-29 |
| [6.1.0](/releases/release-6.1.0.md) | 2022-06-13 |
| [5.4.1](/releases/release-5.4.1.md) | 2022-05-13 |
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