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github-actions committed Aug 2, 2023
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12 changes: 6 additions & 6 deletions markdown-pages/en/tidb/master/releases/release-7.3.0.md
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### Observability

* 显示统计信息收集的进度 [#issue号](链接) @[hawkingrei](https://github.com/hawkingrei) **tw@Oreoxmt** <!--1380-->
* Show the progress of collecting statistics [#issue号](链接) @[hawkingrei](https://github.com/hawkingrei) **tw@Oreoxmt** <!--1380-->

对大表的统计信息收集经常会持续比较长的时间。在过去的版本里,用户无从得知统计信息收集的进度,进而没法预测完成时间。在 v7.3.0 中,TiDB 加入了对统计信息收集进度的信息展示,能够显示各个子任务的总体工作量、当前进度、以及对完成时间的预测。在大规模数据导入、SQL 性能优化等场景下,用户能够了解整体任务进展,提升用户体验。
Collecting statistics for large tables often takes a long time. In previous versions, you cannot see the progress of collecting statistics, and therefore cannot predict the completion time. TiDB v7.3.0 introduces a feature to show the progress of collecting statistics. You can view the overall workload, current progress, and estimated completion time for each subtask using the system table `mysql.analyze_jobs` or `SHOW ANALYZE STATUS`. In scenarios such as large-scale data import and SQL performance optimization, this feature helps you understand the overall task progress and improves the user experience.

更多信息,请参考[用户文档](链接)
For more information, see [documentation](/sql-statements/sql-statement-show-analyze-status.md).

* Plan Replayer supports exporting historical statistics [#45038](https://github.com/pingcap/tidb/issues/45038) @[time-and-fate](https://github.com/time-and-fate) **tw@ran-huang** <!--1445-->

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+ TiDB

- 游标 (Cursor) 结果过大时,写入 TiDB 临时磁盘空间从而避免OOM [#43233](https://github.com/pingcap/tidb/issues/43233) @[YangKeao](https://github.com/YangKeao) <!--1430-->
- EXPLAIN 新增开关用以展示在优化期间被执行的子查询 [#22076](https://github.com/pingcap/tidb/issues/22076) @[winoros](https://github.com/winoros] **tw@Oreoxmt** <!--983-->
- 在启用 [`Global Kill`](/tidb-configuration-file#enable-global-kill-从-v610-版本开始引入) 的情况下,可以通过 Ctrl+C 终止当前会话。 [#8854](https://github.com/pingcap/tidb/issues/8854) @[pingyu](https://github.com/pingyu)
- Introduce a new system variable `tidb_opt_enable_non_eval_scalar_subquery` to control whether the `EXPLAIN` statement executes subqueries in advance during the optimization phase [#22076](https://github.com/pingcap/tidb/issues/22076) @[winoros](https://github.com/winoros) **tw@Oreoxmt** <!--983-->
- When [Global Kill](/tidb-configuration-file#enable-global-kill-new-in-v610) is enabled, you can terminate the current session by pressing <kbd>Control+C</kbd> [#8854](https://github.com/pingcap/tidb/issues/8854) @[pingyu](https://github.com/pingyu) **tw@Oreoxmt**
- note [#issue](链接) @[贡献者 GitHub ID](链接)

+ TiKV
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+ Backup & Restore (BR)

- 为外部存储 Azure Blob Storage 提供加密范围和加密密钥的支持 [#45025](https://github.com/pingcap/tidb/issues/45025) @[Leavrth](https://github.com/Leavrth) **tw@Oreoxmt** <!--1385-->
- When backing up data to Azure Blob Storage using BR, you can specify either an encryption scope or an encryption key for server-side encryption [#45025](https://github.com/pingcap/tidb/issues/45025) @[Leavrth](https://github.com/Leavrth) **tw@Oreoxmt** <!--1385-->
- note [#issue](链接) @[贡献者 GitHub ID](链接)

+ TiCDC
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