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add v6.5.11 release notes #18599

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merged 31 commits into from
Sep 20, 2024
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add v6.5.11 release notes #18599

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21eb3b8
Create release-6.5.11.md
qiancai Sep 10, 2024
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remove two issues already published in v6.5.10
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add br bug fixes
qiancai Sep 11, 2024
0884b8e
add TiKV improvements and bug fixes
qiancai Sep 13, 2024
6b7f0d9
add tiflash and tidb execution bug bixes
qiancai Sep 13, 2024
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add ddl and tools improvements and bug fixes
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add TiFlash/Storage release notes
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add sql/infra bug fixes
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revise TiKV part
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refine TiFlash and DM bug fixes
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177 changes: 177 additions & 0 deletions releases/release-6.5.11.md
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---
title: TiDB 6.5.11 Release Notes
summary: 了解 TiDB 6.5.11 版本的兼容性变更、改进提升，以及错误修复。
---

# TiDB 6.5.11 Release Notes

发版日期：2024 年 x 月 x 日

TiDB 版本：6.5.11

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=v6.5.11#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})

## 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})
- (dup): release-8.1.1.md > 改进提升> TiDB - 通过批量删除 TiFlash placement rule 的方式，提升对分区表执行 `TRUNCATE`、`DROP` 后数据 GC 的处理速度 [#54068](https://github.com/pingcap/tidb/issues/54068) @[Lloyd-Pottiger](https://github.com/Lloyd-Pottiger)

+ 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})
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+ 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-8.1.1.md > 改进提升> TiFlash - 减少数据高并发读取下的锁冲突，优化短查询性能 [#9125](https://github.com/pingcap/tiflash/issues/9125) @[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})

+ TiCDC

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

+ 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})

+ 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

- 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-8.1.1.md > 错误修复> TiDB - 修复递归的 CTE 算子错误地跟踪内存使用的问题 [#54181](https://github.com/pingcap/tidb/issues/54181) @[guo-shaoge](https://github.com/guo-shaoge)
- (dup): release-8.3.0.md > 错误修复> TiDB - 通过重置 `PipelinedWindow` 的 `Open` 方法中的参数，修复当 `PipelinedWindow` 作为 apply 的子节点使用时，由于重复的打开和关闭操作导致重用之前的参数值而发生的意外错误 [#53600](https://github.com/pingcap/tidb/issues/53600) @[XuHuaiyu](https://github.com/XuHuaiyu)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复事务占用的内存可能被多次重复统计的问题 [#53984](https://github.com/pingcap/tidb/issues/53984) @[ekexium](https://github.com/ekexium)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复在 `HashJoin` 或 `IndexLookUp` 算子作为 `Apply` 算子的被驱动侧子节点时，由于 `memTracker` 未被析构而导致的内存异常高的问题 [#54005](https://github.com/pingcap/tidb/issues/54005) @[XuHuaiyu](https://github.com/XuHuaiyu)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复当 SQL 异常中断时，`INDEX_HASH_JOIN` 无法正常退出的问题 [#54688](https://github.com/pingcap/tidb/issues/54688) @[wshwsh12](https://github.com/wshwsh12)
- (dup): release-8.3.0.md > 错误修复> TiDB - 修复来自 DM 同步的表超过索引列最大长度 `max-index-length` 时，同步失败的问题 [#55138](https://github.com/pingcap/tidb/issues/55138) @[lance6716](https://github.com/lance6716)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复在 `GROUP BY` 语句中引用间接占位符 `?` 无法找到列的问题 [#53872](https://github.com/pingcap/tidb/issues/53872) @[qw4990](https://github.com/qw4990)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复某些情况下可以创建非法的 `DECIMAL(0,0)` 列类型的问题 [#53779](https://github.com/pingcap/tidb/issues/53779) @[tangenta](https://github.com/tangenta)
- (dup): release-8.3.0.md > 错误修复> TiDB - 修复当 SQL 查询的过滤条件中包含虚拟列，且执行条件中包含 `UnionScan` 时，谓词无法正常下推的问题 [#54870](https://github.com/pingcap/tidb/issues/54870) @[qw4990](https://github.com/qw4990)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复执行 `SELECT DISTINCT CAST(col AS DECIMAL), CAST(col AS SIGNED) FROM ...` 查询时结果出错的问题 [#53726](https://github.com/pingcap/tidb/issues/53726) @[hawkingrei](https://github.com/hawkingrei)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复 information schema 缓存未命中导致 stale read 查询延迟上升的问题 [#53428](https://github.com/pingcap/tidb/issues/53428) @[crazycs520](https://github.com/crazycs520)
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- (dup): release-8.1.1.md > 错误修复> TiDB - 修复针对 `SELECT ... FOR UPDATE` 复用了错误点查询计划的问题 [#54652](https://github.com/pingcap/tidb/issues/54652) @[qw4990](https://github.com/qw4990)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复可以创建非严格自增的 RANGE 分区表的问题 [#54829](https://github.com/pingcap/tidb/issues/54829) @[Defined2014](https://github.com/Defined2014)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复当第一个参数是 `month` 并且第二个参数是负数时，`TIMESTAMPADD()` 函数会进入无限循环的问题 [#54908](https://github.com/pingcap/tidb/issues/54908) @[xzhangxian1008](https://github.com/xzhangxian1008)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复使用 `auth_socket` 认证插件时，TiDB 在某些情况下未能拒绝不符合身份认证的用户连接的问题 [#54031](https://github.com/pingcap/tidb/issues/54031) @[lcwangchao](https://github.com/lcwangchao)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复使用分布式框架添加索引期间出现网络分区可能导致数据索引不一致的问题 [#54897](https://github.com/pingcap/tidb/issues/54897) @[tangenta](https://github.com/tangenta)
- (dup): release-8.3.0.md > 错误修复> TiDB - 修复由于查询超出 `tidb_mem_quota_query` 设定的内存使用限制，导致终止查询时可能卡住的问题 [#55042](https://github.com/pingcap/tidb/issues/55042) @[yibin87](https://github.com/yibin87)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复在某些情况下，元数据锁使用不当可能导致使用 plan cache 时写入异常数据的问题 [#53634](https://github.com/pingcap/tidb/issues/53634) @[zimulala](https://github.com/zimulala)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复递归 CTE 查询可能导致无效指针的问题 [#54449](https://github.com/pingcap/tidb/issues/54449) @[hawkingrei](https://github.com/hawkingrei)
- (dup): release-8.3.0.md > 错误修复> TiDB - 修复 `mysql.stats_histograms` 表的 `tot_col_size` 列可能为负数的潜在风险 [#55126](https://github.com/pingcap/tidb/issues/55126) @[qw4990](https://github.com/qw4990)
- (dup): release-8.1.1.md > 错误修复> TiDB - 修复当视图定义中使用子查询作为列定义时，通过 `information_schema.columns` 获取列信息返回告警 Warning 1356 的问题 [#54343](https://github.com/pingcap/tidb/issues/54343) @[lance6716](https://github.com/lance6716)
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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})
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- (dup): release-8.1.1.md > 错误修复> TiKV - 修复 TiKV 在应用损坏的 Raft 数据快照时反复 panic 的问题 [#15292](https://github.com/tikv/tikv/issues/15292) @[LykxSassinator](https://github.com/LykxSassinator)
- (dup): release-8.1.1.md > 错误修复> TiKV - 修复设置 gRPC 消息的压缩算法 (`grpc-compression-type`) 对 TiKV 发送到 TiDB 的消息不起作用的问题 [#17176](https://github.com/tikv/tikv/issues/17176) @[ekexium](https://github.com/ekexium)
- (dup): release-8.1.1.md > 错误修复> TiKV - 修复 `advance-ts-interval` 配置未被用于限制 CDC 和 log-backup 模块中 `check_leader` 操作的 timeout，导致在某些情况下 TiKV 正常重启时 `resolved_ts` lag 过大的问题 [#17107](https://github.com/tikv/tikv/issues/17107) @[MyonKeminta](https://github.com/MyonKeminta)

+ 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})
- (dup): release-8.1.1.md > 错误修复> PD - 修复部分日志未脱敏的问题 [#8419](https://github.com/tikv/pd/issues/8419) @[rleungx](https://github.com/rleungx)
- (dup): release-8.1.1.md > 错误修复> PD - 修复将 TiKV 配置项 [`coprocessor.region-split-size`](/tikv-configuration-file.md#region-split-size) 设置为小于 1 MiB 的值会导致 PD panic 的问题 [#8323](https://github.com/tikv/pd/issues/8323) @[JmPotato](https://github.com/JmPotato)
- (dup): release-8.3.0.md > 错误修复> PD - 修复设置 `replication.strictly-match-label` 为 `true` 导致 TiFlash 启动失败的问题 [#8480](https://github.com/tikv/pd/issues/8480) @[rleungx](https://github.com/rleungx)
- (dup): release-8.1.1.md > 错误修复> PD - 修复 PD 在进行 operator 检查时遇到的数据竞争问题 [#8263](https://github.com/tikv/pd/issues/8263) @[lhy1024](https://github.com/lhy1024)

+ 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-8.3.0.md > 错误修复> TiFlash - 修复使用 `CAST()` 函数将字符串转换为带时区或非法字符的日期时间时，结果错误的问题 [#8754](https://github.com/pingcap/tiflash/issues/8754) @[solotzg](https://github.com/solotzg)
- (dup): release-8.1.1.md > 错误修复> TiFlash - 修复数据库创建后短时间内被删除时，TiFlash 可能 panic 的问题 [#9266](https://github.com/pingcap/tiflash/issues/9266) @[JaySon-Huang](https://github.com/JaySon-Huang)
- (dup): release-8.1.1.md > 错误修复> TiFlash - 修复将 TiFlash 中 SSL 证书配置项设置为空字符串会错误开启 TLS 并导致 TiFlash 启动失败的问题 [#9235](https://github.com/pingcap/tiflash/issues/9235) @[JaySon-Huang](https://github.com/JaySon-Huang)
- (dup): release-8.1.1.md > 错误修复> TiFlash - 修复 TiFlash 与任意 PD 之间发生网络分区（即网络连接断开），可能导致读请求超时报错的问题 [#9243](https://github.com/pingcap/tiflash/issues/9243) @[Lloyd-Pottiger](https://github.com/Lloyd-Pottiger)
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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-8.3.0.md > 错误修复> Tools> Backup & Restore (BR) - 修复备份恢复的断点路径在一些外部存储中不兼容的问题 [#55265](https://github.com/pingcap/tidb/issues/55265) @[Leavrth](https://github.com/Leavrth)
- (dup): release-8.1.1.md > 错误修复> Tools> Backup & Restore (BR) - 修复增量备份过程中扫描 DDL 作业的效率较低的问题 [#54139](https://github.com/pingcap/tidb/issues/54139) @[3pointer](https://github.com/3pointer)
- (dup): release-8.1.1.md > 错误修复> Tools> Backup & Restore (BR) - 修复在恢复过程中，由于多层重试导致 BR 无法正确识别错误的问题 [#54053](https://github.com/pingcap/tidb/issues/54053) @[RidRisR](https://github.com/RidRisR)
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- (dup): release-8.1.1.md > 错误修复> Tools> Backup & Restore (BR) - 修复断点备份过程中查找 Region leader 中断导致备份性能受影响问题 [#17168](https://github.com/tikv/tikv/issues/17168) @[Leavrth](https://github.com/Leavrth)
- (dup): release-8.1.1.md > 错误修复> Tools> Backup & Restore (BR) - 修复增量恢复过程中 `ADD INDEX`、`MODIFY COLUMN` 等需要回填的 DDL 可能无法正确恢复的问题 [#54426](https://github.com/pingcap/tidb/issues/54426) @[3pointer](https://github.com/3pointer)
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+ TiCDC

- note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
lidezhu marked this conversation as resolved.
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- note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id})
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- (dup): release-8.1.1.md > 错误修复> Tools> TiCDC - 修复当下游 Kafka 无法访问时，Processor 模块可能卡住的问题 [#11340](https://github.com/pingcap/tiflow/issues/11340) @[asddongmen](https://github.com/asddongmen)

+ 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})
- (dup): release-8.1.1.md > 错误修复> Tools> TiDB Data Migration (DM) - 修复当索引长度超过 `max-index-length` 默认值时数据同步中断的问题 [#11459](https://github.com/pingcap/tiflow/issues/11459) @[michaelmdeng](https://github.com/michaelmdeng)
- (dup): release-8.1.1.md > 错误修复> Tools> TiDB Data Migration (DM) - 修复 schema tracker 无法正确处理 LIST 分区表导致 DM 报错的问题 [#11408](https://github.com/pingcap/tiflow/issues/11408) @[lance6716](https://github.com/lance6716)
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+ 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})
- (dup): release-8.3.0.md > 错误修复> Tools> TiDB Lightning - 修复使用 TiDB Lightning 导入数据时报事务冲突的问题 [#49826](https://github.com/pingcap/tidb/issues/49826) @[lance6716](https://github.com/lance6716)
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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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