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[WIP]: add v8.5.4 release notes #21000
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Co-authored-by: JaySon <tshent@qq.com>
Co-authored-by: ekexium <eke@fastmail.com>
Co-authored-by: Liqi Geng <gengliqiii@gmail.com>
Co-authored-by: hongyunyan <649330952@qq.com>
[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: The full list of commands accepted by this bot can be found here.
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Co-authored-by: glorv <glorvs@163.com>
…r TiKV according to glorv Co-authored-by: glorv <glorvs@163.com>
Co-authored-by: Elsa <111482174+elsa0520@users.noreply.github.com>
Co-authored-by: Elsa <111482174+elsa0520@users.noreply.github.com>
Co-authored-by: Jiaqiang Huang <lzzziver@gmail.com>
releases/release-8.5.4.md
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- 将部分 TiKV 的错误日志从 ERROR 级别调整为 WARN 级别,避免产生过多不必要的告警。[#18745]([https://github.com/tikv/tikv/issues/18745](https://github.com/tikv/tikv/issues/18745))[)](https://github.com/tikv/tikv/issues/18745)) @[exit-code-1]([https://github.com/exit-code-1](https://github.com/exit-code-1))[)](https://github.com/exit-code-1)) | ||
- 将 Region MVCC 的 GC 处理逻辑改由 GC worker 线程执行,统一 GC 的处理逻辑。 [#18727]([https://github.com/tikv/tikv/issues/18727](https://github.com/tikv/tikv/issues/18727))[)](https://github.com/tikv/tikv/issues/18727)) @[v01dstar]([https://github.com/v01dstar](https://github.com/v01dstar))[)](https://github.com/v01dstar)) | ||
- 优化 gRPC 线程池线程数量默认值的计算方式,将原来的固定数据调整为根据总的 CPU 配置动态计算,避免 gRPC 线程数量太小产生的性能瓶颈。 [#18613](https://github.com/tikv/tikv/issues/18613) @[LykxSassinator](https://github.com/LykxSassinator) | ||
- 优化 rocksdb 获取 snapshot 的性能,大幅降低在 rocksdb SST 文件数据很多场景的读写延迟。[#18743]([https://github.com/tikv/tikv/issues/18743](https://github.com/tikv/tikv/issues/18743))[)](https://github.com/tikv/tikv/issues/18743)) @[Connor1996]([https://github.com/Connor1996](https://github.com/Connor1996))[)](https://github.com/Connor1996)) |
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issue 号和 L46 重复了
What is changed, added or deleted? (Required)
As stated in the title
Which TiDB version(s) do your changes apply to? (Required)
Tips for choosing the affected version(s):
By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.
For details, see tips for choosing the affected versions (in Chinese).
What is the related PR or file link(s)?
Do your changes match any of the following descriptions?