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v8.5.3: add release notes #21399
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b1a8ede
v8.5.3: add release notes
Oreoxmt 4570391
add TiFlash
Oreoxmt ce07956
Merge branch 'master' into v8.5.3-release-notes
Oreoxmt 7190f27
add TiKV
Oreoxmt ff713f9
add TiCDC
Oreoxmt 68d74f1
Update releases/release-8.5.3.md
qiancai 709a6dd
Apply suggestions from code review
hfxsd 40346f2
add translation
qiancai daa8783
Merge branch 'v8.5.3-release-notes' of https://github.com/Oreoxmt/doc…
qiancai da33fc0
update Compatibility changes, TiKV, and PD
Oreoxmt f98f7f4
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| Original file line number | Diff line number | Diff line change |
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| --- | ||
| title: TiDB 8.5.3 Release Notes | ||
| summary: Learn about the compatibility changes, improvements, and bug fixes in TiDB 8.5.3. | ||
| --- | ||
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| # TiDB 8.5.3 Release Notes | ||
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| Release date: xx xx, 2025 | ||
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| TiDB version: 8.5.3 | ||
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| Quick access: [Quick start](https://docs.pingcap.com/tidb/v8.5/quick-start-with-tidb) | [Production deployment](https://docs.pingcap.com/tidb/v8.5/production-deployment-using-tiup) | ||
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| ## Compatibility changes | ||
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| - note [#issue](https://github.com/pingcap/${repo-name}/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
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| ## Improvements | ||
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| + TiDB | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - (dup): release-7.5.5.md > Improvements> TiDB - Adjust estimation results from 0 to 1 for equality conditions that do not hit TopN when statistics are entirely composed of TopN and the modified row count in the corresponding table statistics is non-zero [#47400](https://github.com/pingcap/tidb/issues/47400) @[terry1purcell](https://github.com/terry1purcell) | ||
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| + TiKV | ||
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| - note [#issue](https://github.com/tikv/tikv/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/tikv/tikv/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - (dup): release-9.0.0.md > Improvements> TiKV - Optimize the cleanup mechanism of residual data to mitigate the impact on request latency [#18107](https://github.com/tikv/tikv/issues/18107) @[LykxSassinator](https://github.com/LykxSassinator) | ||
Oreoxmt marked this conversation as resolved.
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| + PD | ||
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| - note [#issue](https://github.com/tikv/pd/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/tikv/pd/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
hfxsd marked this conversation as resolved.
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| + TiFlash | ||
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| - note [#issue](https://github.com/pingcap/tiflash/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tiflash/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
Oreoxmt marked this conversation as resolved.
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| - Increase the maximum retry count when acquiring storage snapshots to improve query stability for large tables [#10300](https://github.com/pingcap/tiflash/issues/10300) @[JaySon-Huang](https://github.com/JaySon-Huang) | ||
| - Enhance the observability for TiFlash OOM risk under wide-column scenario [#10272](https://github.com/pingcap/tiflash/issues/10272) @[JaySon-Huang](https://github.com/JaySon-Huang) | ||
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| + Tools | ||
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| + Backup & Restore (BR) | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - (dup): release-9.0.0.md > Improvements> Tools> Backup & Restore (BR) - Improve the index restore speed during PITR by repairing indexes concurrently [#59158](https://github.com/pingcap/tidb/issues/59158) @[Leavrth](https://github.com/Leavrth) | ||
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| + TiCDC | ||
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| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
Oreoxmt marked this conversation as resolved.
Show resolved
Hide resolved
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| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[Contributor 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}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[Contributor 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}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor 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}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor 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}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tiup/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
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| ## Bug fixes | ||
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| + TiDB | ||
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| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - (dup): release-9.0.0.md > Bug fixes> TiDB - Fix the issue that decreasing the number of workers during index creation might cause the task to hang [#59267](https://github.com/pingcap/tidb/issues/59267) @[D3Hunter](https://github.com/D3Hunter) | ||
| - (dup): release-9.0.0.md > Bug fixes> TiDB - Fix the issue that the `ADMIN SHOW DDL JOBS` statement does not display the row count correctly [#59897](https://github.com/pingcap/tidb/issues/59897) @[tangenta](https://github.com/tangenta) | ||
| - (dup): release-9.0.0.md > Bug fixes> TiDB - Fix the issue that data race might occur when dynamically adjusting the number of workers during index creation [#59016](https://github.com/pingcap/tidb/issues/59016) @[D3Hunter](https://github.com/D3Hunter) | ||
| - (dup): release-7.5.5.md > Bug fixes> TiDB - Fix the issue that the data in the **Stats Healthy Distribution** panel of Grafana might be incorrect [#57176](https://github.com/pingcap/tidb/issues/57176) @[hawkingrei](https://github.com/hawkingrei) | ||
| - (dup): release-9.0.0.md > Bug fixes> TiDB - Fix the issue that an error might occur when using `IMPORT INTO ... FROM SELECT` to import data into TiFlash [#58443](https://github.com/pingcap/tidb/issues/58443) @[D3Hunter](https://github.com/D3Hunter) | ||
| - (dup): release-9.0.0.md > Bug fixes> TiDB - Fix the issue that enabling `tidb_enable_dist_task` causes TiDB upgrade to fail [#54061](https://github.com/pingcap/tidb/issues/54061) @[tangenta](https://github.com/tangenta) | ||
| - (dup): release-7.5.6.md > Bug fixes> TiDB - Fix the issue that improper exception handling for statistics causes in-memory statistics to be mistakenly deleted when background tasks time out [#57901](https://github.com/pingcap/tidb/issues/57901) @[hawkingrei](https://github.com/hawkingrei) | ||
| - (dup): release-9.0.0.md > Bug fixes> TiDB - Fix the issue that the row count is not updated correctly when adding indexes in the TiDB Distributed eXecution Framework (DXF) [#58573](https://github.com/pingcap/tidb/issues/58573) @[D3Hunter](https://github.com/D3Hunter) | ||
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hfxsd marked this conversation as resolved.
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| + TiKV | ||
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| - note [#issue](https://github.com/tikv/tikv/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/tikv/tikv/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
Oreoxmt marked this conversation as resolved.
Show resolved
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| + PD | ||
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| - note [#issue](https://github.com/tikv/pd/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/tikv/pd/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
hfxsd marked this conversation as resolved.
Show resolved
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| + TiFlash | ||
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| - note [#issue](https://github.com/pingcap/tiflash/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tiflash/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
Oreoxmt marked this conversation as resolved.
Show resolved
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| - Fix the issue that TiFlash panic when meets expression index with format `((NULL))` [#9891](https://github.com/pingcap/tiflash/issues/9891) @[JaySon-Huang](https://github.com/JaySon-Huang) | ||
hfxsd marked this conversation as resolved.
Show resolved
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| + Tools | ||
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| + Backup & Restore (BR) | ||
|
|
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| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - (dup): release-9.0.0.md > Bug fixes> Tools> Backup & Restore (BR) - Fix the issue that available space on storage nodes is unnecessarily rechecked during breakpoint recovery [#54316](https://github.com/pingcap/tidb/issues/54316) @[Leavrth](https://github.com/Leavrth) | ||
| - (dup): release-9.0.0.md > Bug fixes> Tools> Backup & Restore (BR) - Fix the issue that PITR fails to restore indexes larger than 3072 bytes [#58430](https://github.com/pingcap/tidb/issues/58430) @[YuJuncen](https://github.com/YuJuncen) | ||
| - (dup): release-9.0.0.md > Bug fixes> Tools> Backup & Restore (BR) - Fix the issue that RangeTree results consume memory inefficiently during full backup [#58587](https://github.com/pingcap/tidb/issues/58587) @[3pointer](https://github.com/3pointer) | ||
Oreoxmt marked this conversation as resolved.
Show resolved
Hide resolved
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| + TiCDC | ||
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| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
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| + TiDB Data Migration (DM) | ||
|
|
||
| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tiflow/issues/${issue-id}) @[Contributor 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}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor 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}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[Contributor 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}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
| - note [#issue](https://github.com/pingcap/tiup/issues/${issue-id}) @[Contributor GitHub ID](https://github.com/${github-id}) | ||
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