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en, zh: add release notes for v1.2.0 #1328

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en, zh: add release notes for v1.2.0 #1328

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en, zh: add release notes for v1.2.0
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Update zh/releases/release-1.2.0.md
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1 change: 1 addition & 0 deletions en/TOC.md
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+ [TiDB Operator Roadmap](roadmap.md)
+ Release Notes
+ v1.2
- [1.2 GA](releases/release-1.2.0.md)
- [1.2.0-rc.2](releases/release-1.2.0-rc.2.md)
- [1.2.0-rc.1](releases/release-1.2.0-rc.1.md)
- [1.2.0-beta.2](releases/release-1.2.0-beta.2.md)
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26 changes: 26 additions & 0 deletions en/releases/release-1.2.0.md
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---
title: TiDB Operator 1.2.0 Release Notes
---

# TiDB Operator 1.2.0 Release Notes

Release date: July 29, 2021

TiDB Operator version: 1.2.0

## Rolling update changes

- Upgrading TiDB Operator will cause the recreation of the TidbMonitor Pod due to [#4085](https://github.com/pingcap/tidb-operator/pull/4085)

## New features

- Support setting Prometheus `retentionTime`, which is more fine-grained than `reserveDays`, and only use `retentionTime` if both are configured ([#4085](https://github.com/pingcap/tidb-operator/pull/4085), [@better0332](https://github.com/better0332))
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- Support setting `priorityClassName` in the `Backup` CR to specify the priority of the backup Job ([#4078](https://github.com/pingcap/tidb-operator/pull/4078), [@mikechengwei](https://github.com/mikechengwei))
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## Improvements

- Changes the default region leader eviction timeout of TiKV to 1500 minutes to prevent the Pod from being deleted when the region leaders are not transferred completely to the other stores which will cause data corruption([#4071](https://github.com/pingcap/tidb-operator/pull/4071), [@KanShiori](https://github.com/KanShiori))
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## Bug fixes

- Fix the issue that the URL in `Prometheus.RemoteWrite` may be parsed incorrectly in `TiDBMonitor` ([#4087](https://github.com/pingcap/tidb-operator/pull/4087), [@better0332](https://github.com/better0332))
1 change: 1 addition & 0 deletions zh/TOC.md
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+ [TiDB Operator Roadmap](roadmap.md)
+ 版本发布历史
+ v1.2
- [1.2 GA](releases/release-1.2.0.md)
- [1.2.0-rc.2](releases/release-1.2.0-rc.2.md)
- [1.2.0-rc.1](releases/release-1.2.0-rc.1.md)
- [1.2.0-beta.2](releases/release-1.2.0-beta.2.md)
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26 changes: 26 additions & 0 deletions zh/releases/release-1.2.0.md
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---
title: TiDB Operator 1.2.0 Release Notes
---

# TiDB Operator 1.2.0 Release Notes
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发布日期：2021 年 7 月 29 日

TiDB Operator 版本：1.2.0

## 滚动升级改动

- 由于 [#4085](https://github.com/pingcap/tidb-operator/pull/4085) 的改动，升级 TiDB Operator 会导致 TidbMonitor Pod 删除重建

## 新功能

- 支持为 `TiDBMonitor` 的 `Prometheus` 设置比 `reserveDays` 更细粒度的 `retentionTime`，两者都配置的情况下仅使用 `retentionTime` ([#4085](https://github.com/pingcap/tidb-operator/pull/4085), [@better0332](https://github.com/better0332))
- 支持 `Backup` CR 通过 `priorityClassName` 设置备份 Job 优先级 ([#4078](https://github.com/pingcap/tidb-operator/pull/4078), [@mikechengwei](https://github.com/mikechengwei))

## 优化提升

- 将升级过程中驱逐 TiKV 的 Region Leader 超时的默认值调整为 1500 分钟，以避免 Region Leader 没有驱逐完成而停止 Pod 导致数据损坏 ([#4071](https://github.com/pingcap/tidb-operator/pull/4071), [@KanShiori](https://github.com/KanShiori))
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## Bug 修复

- 修复解析 `TiDBMonitor` 定义中 `Prometheus.RemoteWrite` 的 URL 可能失败的问题 ([#4087](https://github.com/pingcap/tidb-operator/pull/4087), [@better0332](https://github.com/better0332))