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add release note for v6.5.8 #16373

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merged 29 commits into from
Feb 2, 2024
Merged

add release note for v6.5.8 #16373

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d54f018
add release note for v6.5.8
Oreoxmt Jan 25, 2024
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add TiDB Lightning
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150 changes: 150 additions & 0 deletions releases/release-6.5.8.md
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---
title: TiDB 6.5.8 Release Notes
summary: 了解 TiDB 6.5.8 版本的兼容性变更、改进提升，以及错误修复。
---

# TiDB 6.5.8 Release Notes

发版日期：2024 年 x 月 x 日

TiDB 版本：6.5.8

试用链接：[快速体验](https://docs.pingcap.com/zh/tidb/v6.5/quick-start-with-tidb) | [生产部署](https://docs.pingcap.com/zh/tidb/v6.5/production-deployment-using-tiup) | [下载离线包](https://cn.pingcap.com/product-community/?version=v6.5.8#version-list)

## 兼容性变更

- note [#issue](https://github.com/pingcap/${repo-name}/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- (dup): release-7.1.2.md > 兼容性变更 - 在安全增强模式 (SEM) 下禁止设置 [`require_secure_transport`](https://docs.pingcap.com/zh/tidb/v7.1/system-variables#require_secure_transport-从-v610-版本开始引入) 为 `ON`，避免用户无法连接的问题 [#47665](https://github.com/pingcap/tidb/issues/47665) @[tiancaiamao](https://github.com/tiancaiamao)
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## 改进提升

+ TiDB

- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiKV

- note [#issue](https://github.com/tikv/tikv/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/tikv/tikv/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- (dup): release-7.6.0.md > 改进提升> TiKV - 支持动态调整 GC 的线程数，默认值为 `1` [#16101](https://github.com/tikv/tikv/issues/16101) @[tonyxuqqi](https://github.com/tonyxuqqi)

+ PD

- note [#issue](https://github.com/tikv/pd/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/tikv/pd/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiFlash

- note [#issue](https://github.com/pingcap/tiflash/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tiflash/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- (dup): release-7.6.0.md > 改进提升> TiFlash - 减少后台数据 GC 任务对读、写任务延迟的影响 [#8650](https://github.com/pingcap/tiflash/issues/8650) @[JaySon-Huang](https://github.com/JaySon-Huang)

+ Tools

+ Backup & Restore (BR)

- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- (dup): release-7.4.0.md > 改进提升> Tools> Backup & Restore (BR) - 缓解了 Region leadership 迁移导致 PITR 日志备份进度延迟变高的问题 [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen)
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+ TiCDC

- TiCDC 支持查询 changefeed 的下游同步状态，以确认是否已经将变更完全同步到下游了 [#10289](https://github.com/pingcap/tiflow/issues/10289) @[hongyunyan](https://github.com/hongyunyan)
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+ TiDB Data Migration (DM)

- note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiDB Lightning

- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
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+ Dumpling

- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiUP

- note [#issue](https://github.com/pingcap/tiup/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tiup/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiDB Binlog

- note [#issue](https://github.com/pingcap/tidb-binlog/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb-binlog/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

## 错误修复

+ TiDB
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- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- (dup): release-7.6.0.md > 错误修复> TiDB - 修复当查询使用了会强制排序的优化器 hint（例如 `STREAM_AGG()`）且其执行计划包含 `IndexMerge` 时，强制排序可能会失效的问题 [#49605](https://github.com/pingcap/tidb/issues/49605) @[AilinKid](https://github.com/AilinKid)
- (dup): release-7.6.0.md > 错误修复> TiDB - 修复直方图的边界包含 `NULL` 时，直方图统计信息可能无法解析成可读字符串的问题 [#49823](https://github.com/pingcap/tidb/issues/49823) @[AilinKid](https://github.com/AilinKid)
- (dup): release-7.6.0.md > 错误修复> TiDB - 修复无法在 `REPLACE INTO` 语句中使用 hint 的问题 [#34325](https://github.com/pingcap/tidb/issues/34325) @[YangKeao](https://github.com/YangKeao)
- (dup): release-7.6.0.md > 错误修复> TiDB - 修复由于 `STREAM_AGG()` 错误处理 CI 导致查询结果有误的问题 [#49902](https://github.com/pingcap/tidb/issues/49902) @[wshwsh12](https://github.com/wshwsh12)
- (dup): release-7.6.0.md > 错误修复> TiDB - 缓解当要处理的表的数量过多时，TiDB 节点 OOM 的问题 [#50077](https://github.com/pingcap/tidb/issues/50077) @[zimulala](https://github.com/zimulala)
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+ TiKV

- note [#issue](https://github.com/tikv/tikv/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/tikv/tikv/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- (dup): release-7.6.0.md > 错误修复> TiKV - 修复 gRPC threads 在检查 `is_shutdown` 时可能出现 panic 的问题 [#16236](https://github.com/tikv/tikv/issues/16236) @[pingyu](https://github.com/pingyu)
- (dup): release-7.6.0.md > 错误修复> TiKV - 修复巴西和埃及时区转换错误的问题 [#16220](https://github.com/tikv/tikv/issues/16220) @[overvenus](https://github.com/overvenus)
- (dup): release-7.6.0.md > 错误修复> TiKV - 修复 TiDB 和 TiKV 处理 `DECIMAL` 算术乘法截断时结果不一致的问题 [#16268](https://github.com/tikv/tikv/issues/16268) @[solotzg](https://github.com/solotzg)

+ PD
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- note [#issue](https://github.com/tikv/pd/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/tikv/pd/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiFlash

- note [#issue](https://github.com/pingcap/tiflash/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tiflash/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- (dup): release-7.6.0.md > 错误修复> TiFlash - 修复 lowerUTF8/upperUTF8 不允许大小写字符占据不同字节数的错误 [#8484](https://github.com/pingcap/tiflash/issues/8484) @[gengliqi](https://github.com/gengliqi)
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+ Tools

+ Backup & Restore (BR)

- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- (dup): release-7.6.0.md > 错误修复> Tools> Backup & Restore (BR) - 修复从旧版本的备份恢复数据时报错 `Unsupported collation` 的问题 [#49466](https://github.com/pingcap/tidb/issues/49466) @[3pointer](https://github.com/3pointer)

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+ TiCDC

- 修复 changefeed 在 ignore-event 中设置了过滤 add table partition 事件后没有正确同步相关分区的其他 DML 变更事件的问题 [#10524](https://github.com/pingcap/tiflow/issues/10524) @[CharlesCheung96](https://github.com/CharlesCheung96)
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- 修复在上游表执行了 truncate partition 后 changefeed 报错的问题 [#10522](https://github.com/pingcap/tiflow/issues/10522) @[sdojjy](https://github.com/sdojjy)
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- 修复 changefeed 初始化过程中可能出现死锁的问题导致卡主的问题 [#10095](https://github.com/pingcap/tiflow/issues/10095) @[3AceShowHand](https://github.com/3AceShowHand)
- 修复 changefeed 在极端情况下 resolved ts 不推进的问题 [#10157](https://github.com/pingcap/tiflow/issues/10157) @[sdojjy](https://github.com/sdojjy)
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- 修复 changefeed 在被并发创建时返回 ErrChangeFeedAlreadyExists 错误的问题 [#10430](https://github.com/pingcap/tiflow/issues/10430) @[CharlesCheung96](https://github.com/CharlesCheung96)
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+ TiDB Data Migration (DM)

- note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiDB Lightning

- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
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+ Dumpling

- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiUP

- note [#issue](https://github.com/pingcap/tiup/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tiup/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})

+ TiDB Binlog

- note [#issue](https://github.com/pingcap/tidb-binlog/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
- note [#issue](https://github.com/pingcap/tidb-binlog/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
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