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releases: add 6.5.7 release notes #15934

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merged 21 commits into from
Jan 8, 2024
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releases: add 6.5.7 release notes #15934

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add 6.5.7 release notes template and dup notes
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update compatibility changes, TiDB, and TiFlash
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168 changes: 168 additions & 0 deletions releases/release-6.5.7.md
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---
title: TiDB 6.5.7 Release Notes
summary: 了解 TiDB 6.5.7 版本的兼容性变更、改进提升，以及错误修复。
---

# TiDB 6.5.7 Release Notes

发版日期：2023 年 x 月 x 日

TiDB 版本：6.5.7

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=v6.5.7#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)

## 改进提升

+ TiDB
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- 修复包含 IndexHashJoin 算子的查询由于内存达到 tidb_mem_quota_query 内杀掉时 hang 住的问题 [#49033](https://github.com/pingcap/tidb/issues/49033) @[XuHuaiyu](https://github.com/XuHuaiyu)

- 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> TiDB - 优化 `ANALYZE` 分区表的内存使用和性能 [#47071](https://github.com/pingcap/tidb/issues/47071) [#47104](https://github.com/pingcap/tidb/issues/47104) [#46804](https://github.com/pingcap/tidb/issues/46804) @[hawkingrei](https://github.com/hawkingrei)
- 修复了在嵌套的 UNION 查询中 LIMIT 和 OPRDERBY 可能无效的问题 [#49377](https://github.com/pingcap/tidb/issues/49377) @[AilinKid](https://github.com/AilinKid)
- 修复了在非严格模式下，插入过程中产生截断仍然会报错的问题 [#49369](https://github.com/pingcap/tidb/issues/49369) @[tiancaiamao](https://github.com/tiancaiamao)
- 修复了某些情况下查询会 panic 的问题 [#42739](https://github.com/pingcap/tidb/issues/42739) @[CbcWestwolf](https://github.com/CbcWestwolf)
- 修复了 CTE 查询在重试过程中可能会报错的问题 [#46522](https://github.com/pingcap/tidb/issues/46522) @[tiancaiamao](https://github.com/tiancaiamao)
- 修复了在某些时区下时间转换不正确的问题 [#49586](https://github.com/pingcap/tidb/issues/49586) @[overvenus](https://github.com/overvenus)
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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})

+ 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})
- 减少磁盘性能抖动对读取延迟的影响 [#8583](https://github.com/pingcap/tiflash/issues/8583) @[JaySon-Huang](https://github.com/JaySon-Huang)
- 日志等级默认调整为 "info" 减少日志打印的开销 [#8568](https://github.com/pingcap/tiflash/issues/8568) @[xzhangxian1008](https://github.com/xzhangxian1008)
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+ Tools

+ Backup & Restore (BR)

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- 提升了 SQL 恢复在大数据量表场景下的建表性能。 [#48301](https://github.com/pingcap/tidb/issues/48301) @[Leavrth](https://github.com/Leavrth)
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- 解决了 EBS 快照备份与 Lightning 导入的兼容问题。[#46850](https://github.com/pingcap/tidb/issues/46850) @[YuJuncen](https://github.com/YuJuncen)
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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-7.4.0.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)

+ TiCDC

- 支持用户自定义 memory quota 中 sink 和 redo 部分的占比[#10143](https://github.com/pingcap/tiflow/issues/10143) @[hicqu](https://github.com/hicqu)
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- 支持下游为 kafka 时，topic 表达式中 schema 部分为可选项，并且支持硬编码的 topic [#9763](https://github.com/pingcap/tiflow/issues/9763) @[3AceShowHand](https://github.com/3AceShowHand)
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+ TiDB Data Migration (DM)
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No release note.


- 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
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No release note.


- 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})

+ Dumpling
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No release note.


- 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
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No release note.


- 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

- 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-6.6.0.md > 错误修复> TiDB - 修复了创建表之后 `stats_meta` 未创建的问题 [#38189](https://github.com/pingcap/tidb/issues/38189) @[xuyifangreeneyes](https://github.com/xuyifangreeneyes)
- (dup): release-7.1.3.md > 错误修复> TiDB - 修复 TiDB server 在使用企业插件审计日志时可能占用大量资源的问题 [#49273](https://github.com/pingcap/tidb/issues/49273) @[lcwangchao](https://github.com/lcwangchao)
- (dup): release-7.5.0.md > 错误修复> TiDB - 修复 `client-go` 中 `batch-client` panic 的问题 [#47691](https://github.com/pingcap/tidb/issues/47691) @[crazycs520](https://github.com/crazycs520)
- (dup): release-7.1.3.md > 错误修复> TiDB - 修复 `ErrLoadDataInvalidURI`（无效的 S3 URI 错误）报错中的信息内容 [#48164](https://github.com/pingcap/tidb/issues/48164) @[lance6716](https://github.com/lance6716)
- (dup): release-7.1.3.md > 错误修复> TiDB - 修复 `tidb_server_memory_limit` 导致内存长期压力较高时，TiDB CPU 利用率过高的问题 [#48741](https://github.com/pingcap/tidb/issues/48741) @[XuHuaiyu](https://github.com/XuHuaiyu)
- (dup): release-7.1.3.md > 错误修复> TiDB - 修复当内存使用超限时包含公共表表达式 (CTE) 的查询非预期卡住的问题 [#49096](https://github.com/pingcap/tidb/issues/49096) @[AilinKid](https://github.com/AilinKid})
- (dup): release-7.1.3.md > 错误修复> TiDB - 修复某些情况下相同的查询计划拥有不同的 `PLAN_DIGEST` 的问题 [#47634](https://github.com/pingcap/tidb/issues/47634) @[King-Dylan](https://github.com/King-Dylan)
- (dup): release-7.1.3.md > 错误修复> TiDB - 修复 `tidb_max_chunk_size` 值较小时，包含 CTE 的查询出现 `runtime error: index out of range [32] with length 32` 错误的问题 [#48808](https://github.com/pingcap/tidb/issues/48808) @[guo-shaoge](https://github.com/guo-shaoge)
- (dup): release-7.1.3.md > 错误修复> TiDB - 修复 TiDB server 在优雅关闭 (graceful shutdown) 时可能 panic 的问题 [#36793](https://github.com/pingcap/tidb/issues/36793) @[bb7133](https://github.com/bb7133)
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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-7.1.3.md > 错误修复> TiKV - 修复损坏的 SST 文件可能会扩散到其他 TiKV 节点的问题 [#15986](https://github.com/tikv/tikv/issues/15986) @[Connor1996](https://github.com/Connor1996)
- (dup): release-7.1.3.md > 错误修复> TiKV - 修复跟踪大型事务时，Stale Read 中的 Resolved TS 可能导致 TiKV OOM 的问题 [#14864](https://github.com/tikv/tikv/issues/14864) @[overvenus](https://github.com/overvenus)
- (dup): release-7.1.3.md > 错误修复> TiKV - 修复 TiKV 由于无法 append Raft log 导致报错 `ServerIsBusy` [#15800](https://github.com/tikv/tikv/issues/15800) @[tonyxuqqi](https://github.com/tonyxuqqi)

+ PD
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- 修复 Placement Rules in SQL 设置的 location-labels 在特定条件下不按预期调度的问题 [#6637](https://github.com/tikv/pd/issues/6637) @[rleungx](https://github.com/rleungx)
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Suggested change
- 修复 Placement Rules in SQL 设置的 location-labels 在特定条件下不按预期调度的问题 [#6637](https://github.com/tikv/pd/issues/6637) @[rleungx](https://github.com/rleungx)
- 修复 Placement Rules in SQL 设置的 `location-labels` 在特定条件下不按预期调度的问题 [#6637](https://github.com/tikv/pd/issues/6637) @[rleungx](https://github.com/rleungx)

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- 修复在不满足副本数量需求时，删除 orphan peer 的问题 [#7584](https://github.com/tikv/pd/issues/7584) @[bufferflies](https://github.com/bufferflies)

- 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-7.1.3.md > 错误修复> TiFlash - 修复在执行 `FLASHBACK DATABASE` 后 TiFlash 副本的数据仍会被 GC 回收的问题 [#8450](https://github.com/pingcap/tiflash/issues/8450) @[JaySon-Huang](https://github.com/JaySon-Huang)
- (dup): release-7.1.3.md > 错误修复> TiFlash - 修复当查询遇到内存限制后发生内存泄漏的问题 [#8447](https://github.com/pingcap/tiflash/issues/8447) @[JinheLin](https://github.com/JinheLin)
- 修复 Grafana 中部分面板的最大分位数耗时显示不正确的问题 [#8076](https://github.com/pingcap/tiflash/issues/8076) @[JaySon-Huang](https://github.com/JaySon-Huang)
- 修复慢查询导致内存使用显著上涨的问题 [#8564](https://github.com/pingcap/tiflash/issues/8564) @[JinheLin](https://github.com/JinheLin)

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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-7.1.3.md > 错误修复> Tools> Backup & Restore (BR) - 修复在任务初始化阶段出现与 PD 的连接错误导致日志备份任务虽然启动但无法正常工作的问题 [#16056](https://github.com/tikv/tikv/issues/16056) @[YuJuncen](https://github.com/YuJuncen)
- (dup): release-7.5.0.md > 错误修复> Tools> Backup & Restore (BR) - 修复大宽表场景下，日志备份在某些场景中可能卡住的问题 [#15714](https://github.com/tikv/tikv/issues/15714) @[YuJuncen](https://github.com/YuJuncen)
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+ TiCDC

- 修复数据同步到下游 mysql 时可能出现的 checkpoint-ts 卡住的问题 [#10334](https://github.com/pingcap/tiflow/issues/10334) @[zhangjinpeng1987](https://github.com/zhangjinpeng1987)
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- 修复 kv client 初始化过程中可能的 data race 问题 [#10095](https://github.com/pingcap/tiflow/issues/10095) @[3AceShowHand](https://github.com/3AceShowHand)
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+ TiDB Data Migration (DM)
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No release note.


- 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
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No release note.


- 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})

+ Dumpling
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No release note.


- 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
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No release note.


- 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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