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v8.5.3: add release notes #20662
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v8.5.3: add release notes
Oreoxmt 95fd520
add TiFlash
Oreoxmt 2a25d69
add PD
Oreoxmt cfe68bb
add Backup & Restore (BR)
Oreoxmt 29913a8
add compatibility changes > telemetry
Oreoxmt 83c588a
add TiDB and TiDB Lightning
Oreoxmt d73c8f5
add TiKV
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add TiDB and TiFlash
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add TiCDC
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add TiDB
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add TiKV
Oreoxmt d689bc4
fix format
Oreoxmt 081fa3a
update
Oreoxmt 8fccac8
fix PD
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Apply suggestions from code review
qiancai 25962f5
minor wording updates
qiancai 2c51d98
Update releases/release-8.5.3.md
qiancai 9dfaf25
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hfxsd 1c934cb
Update releases/release-8.5.3.md
qiancai 9dd1154
update Compatibility changes, TiKV, and PD
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Update releases/release-8.5.3.md
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lilin90 9602bb4
Move TiCDC bug fixes to the right place
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Update releases/release-8.5.3.md
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remove #59754 from line 27 as it is duplicated with the one in TiDB b…
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Update releases/release-8.5.3.md
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add TiDB
Oreoxmt 5a290d0
update TOC and release-timeline
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update release date
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remove placeholders
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compatibility changes: add links
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| --- | ||
| title: TiDB 8.5.3 Release Notes | ||
| summary: 了解 TiDB 8.5.3 版本的兼容性变更、改进提升，以及错误修复。 | ||
| --- | ||
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| # TiDB 8.5.3 Release Notes | ||
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| 发版日期：2025 年 x 月 x 日 | ||
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| TiDB 版本：8.5.3 | ||
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| 试用链接：[快速体验](https://docs.pingcap.com/zh/tidb/v8.5/quick-start-with-tidb) | [生产部署](https://docs.pingcap.com/zh/tidb/v8.5/production-deployment-using-tiup) | [下载离线包](https://cn.pingcap.com/product-community/?version=v8.5.3#version-list) | ||
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| ## 兼容性变更 | ||
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| - note [#issue](https://github.com/pingcap/${repo-name}/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id}) | ||
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| ## 改进提升 | ||
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| + TiDB | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${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/${github-id}) | ||
| - (dup): release-7.5.5.md > 改进提升> TiDB - 当某个统计信息完全由 TopN 构成，且对应表的统计信息中修改行数不为 0 时，对于未命中 TopN 的等值条件，估算结果从 0 调整为 1 [#47400](https://github.com/pingcap/tidb/issues/47400) @[terry1purcell](https://github.com/terry1purcell) | ||
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| + TiKV | ||
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| - note [#issue](https://github.com/tikv/tikv/issues/${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/${github-id}) | ||
| - (dup): release-9.0.0.md > 改进提升> TiKV - 优化残留数据清理机制，减少对请求延迟的影响 [#18107](https://github.com/tikv/tikv/issues/18107) @[LykxSassinator](https://github.com/LykxSassinator) | ||
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| + PD | ||
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| - note [#issue](https://github.com/tikv/pd/issues/${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/${github-id}) | ||
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| + TiFlash | ||
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| - note [#issue](https://github.com/pingcap/tiflash/issues/${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/${github-id}) | ||
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| - 增加 TiFlash 获取存储层快照重试次数来增强大表上查询的稳定性 [#10300](https://github.com/pingcap/tiflash/issues/10300) @[JaySon-Huang](https://github.com/JaySon-Huang) | ||
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| - 增强 TiFlash 在宽表场景下 OOM 风险相关的监测指标 [#10272](https://github.com/pingcap/tiflash/issues/10272) @[JaySon-Huang](https://github.com/JaySon-Huang) | ||
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| + Tools | ||
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| + Backup & Restore (BR) | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${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/${github-id}) | ||
| - (dup): release-9.0.0.md > 改进提升> Tools> Backup & Restore (BR) - 采用并行方式，提升 PITR 恢复过程中的索引修复速度 [#59158](https://github.com/pingcap/tidb/issues/59158) @[Leavrth](https://github.com/Leavrth) | ||
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| + TiCDC | ||
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| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id}) | ||
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| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id}) | ||
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| + TiDB Data Migration (DM) | ||
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| - note [#issue](https://github.com/pingcap/tiflow/issues/${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/${github-id}) | ||
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| + TiDB Lightning | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${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/${github-id}) | ||
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| + Dumpling | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${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/${github-id}) | ||
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| + TiUP | ||
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| - note [#issue](https://github.com/pingcap/tiup/issues/${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/${github-id}) | ||
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| ## 错误修复 | ||
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| + TiDB | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id}) | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id}) | ||
| - (dup): release-9.0.0.md > 错误修复> TiDB - 修复在添加索引过程中减少 Worker 数量可能导致任务卡住的问题 [#59267](https://github.com/pingcap/tidb/issues/59267) @[D3Hunter](https://github.com/D3Hunter) | ||
| - (dup): release-9.0.0.md > 错误修复> TiDB - 修复 `ADMIN SHOW DDL JOBS` 语句无法正确显示行数的问题 [#59897](https://github.com/pingcap/tidb/issues/59897) @[tangenta](https://github.com/tangenta) | ||
| - (dup): release-9.0.0.md > 错误修复> TiDB - 修复在添加索引过程中动态调整 Worker 数量可能导致的数据竞争问题 [#59016](https://github.com/pingcap/tidb/issues/59016) @[D3Hunter](https://github.com/D3Hunter) | ||
| - (dup): release-7.5.5.md > 错误修复> TiDB - 修复 Grafana 中 **Stats Healthy Distribution** 面板的数据可能错误的问题 [#57176](https://github.com/pingcap/tidb/issues/57176) @[hawkingrei](https://github.com/hawkingrei) | ||
| - (dup): release-9.0.0.md > 错误修复> TiDB - 修复使用 `IMPORT INTO ... FROM SELECT` 导入 TiFlash 时发生错误的问题 [#58443](https://github.com/pingcap/tidb/issues/58443) @[D3Hunter](https://github.com/D3Hunter) | ||
| - (dup): release-9.0.0.md > 错误修复> TiDB - 修复启用 `tidb_enable_dist_task` 导致 TiDB 升级失败的问题 [#54061](https://github.com/pingcap/tidb/issues/54061) @[tangenta](https://github.com/tangenta) | ||
| - (dup): release-7.5.6.md > 错误修复> TiDB - 修复对统计信息的异常处理不当导致后台任务超时的时候，内存内的统计信息被误删除的问题 [#57901](https://github.com/pingcap/tidb/issues/57901) @[hawkingrei](https://github.com/hawkingrei) | ||
| - (dup): release-9.0.0.md > 错误修复> TiDB - 修复在分布式执行框架下执行添加索引操作没有正确更新行数的问题 [#58573](https://github.com/pingcap/tidb/issues/58573) @[D3Hunter](https://github.com/D3Hunter) | ||
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| + TiKV | ||
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| - note [#issue](https://github.com/tikv/tikv/issues/${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/${github-id}) | ||
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| + PD | ||
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| - note [#issue](https://github.com/tikv/pd/issues/${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/${github-id}) | ||
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| + TiFlash | ||
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| - note [#issue](https://github.com/pingcap/tiflash/issues/${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/${github-id}) | ||
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| - 修复创建 `((NULL))` 形式的表达式索引会导致 TiFlash panic 的问题 [#9891](https://github.com/pingcap/tiflash/issues/9891) @[JaySon-Huang](https://github.com/JaySon-Huang) | ||
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| + Tools | ||
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| + Backup & Restore (BR) | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${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/${github-id}) | ||
| - (dup): release-9.0.0.md > 错误修复> Tools> Backup & Restore (BR) - 修复在断点恢复时额外检查存储节点可用空间的问题 [#54316](https://github.com/pingcap/tidb/issues/54316) @[Leavrth](https://github.com/Leavrth) | ||
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| - (dup): release-9.0.0.md > 错误修复> Tools> Backup & Restore (BR) - 修复 PITR 无法恢复大于 3072 字节的索引的问题 [#58430](https://github.com/pingcap/tidb/issues/58430) @[YuJuncen](https://github.com/YuJuncen) | ||
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| - (dup): release-9.0.0.md > 错误修复> Tools> Backup & Restore (BR) - 修复在全量备份过程中 RangeTree 结果内存使用效率低下的问题 [#58587](https://github.com/pingcap/tidb/issues/58587) @[3pointer](https://github.com/3pointer) | ||
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| + TiCDC | ||
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| - note [#issue](https://github.com/pingcap/tiflow/issues/${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/${github-id}) | ||
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| + TiDB Data Migration (DM) | ||
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| - note [#issue](https://github.com/pingcap/tiflow/issues/${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/${github-id}) | ||
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| + TiDB Lightning | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${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/${github-id}) | ||
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| + Dumpling | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${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/${github-id}) | ||
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| + TiUP | ||
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| - note [#issue](https://github.com/pingcap/tiup/issues/${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}) | ||
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Preview: https://pingcap-docsite-preview-git-release-no-a159c9-oreoxmts-projects.vercel.app/zh/tidb/stable/release-8.5.3/