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@qiancai qiancai commented Apr 21, 2025

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Summary by CodeRabbit

  • Documentation
    • Fixed typographical and grammatical errors in the checkpoint backup feature documentation for improved readability.

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coderabbitai bot commented Apr 21, 2025

Walkthrough

The update addresses typographical and grammatical errors in the documentation for the checkpoint backup feature in TiDB v6.5.0. Corrections include fixing misspelled words and improving phrasing in the introductory and application scenario sections. No technical content, logic, or public entity declarations were changed.

Changes

File(s) Change Summary
br/br-checkpoint-backup.md Corrected typographical and grammatical errors in documentation.

Poem

In the docs, a typo hopped astray,
But now the words are clear as day.
Restored with care, each phrase and line,
The checkpoint guide now reads just fine.
With every fix, our docs grow bright—
A rabbit’s joy: the text is right!
🐇✨


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Hello @qiancai, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

Summary of Changes

This pull request updates the br/br-checkpoint-backup.md file, which documents the checkpoint backup feature in TiDB's Backup & Restore (BR) tool. The changes involve minor typo corrections and grammatical improvements to enhance clarity and readability. Specifically, 'due t recoverable errors' is corrected to 'due to recoverable errors', 'B' is added to 'Backup & Restore (B)', and 'cannot affords' is corrected to 'cannot afford'.

Highlights

  • Typos: Corrects typos in the document, such as fixing 'due t recoverable errors' to 'due to recoverable errors'.
  • Grammar: Improves grammar by changing 'cannot affords' to 'cannot afford'.
  • Clarity: Enhances clarity by adding 'B' to 'Backup & Restore (B)'.

Changelog

  • br/br-checkpoint-backup.md
    • Corrected 'due t recoverable errors' to 'due to recoverable errors'.
    • Added 'B' to 'Backup & Restore (B)'.
    • Corrected 'cannot affords' to 'cannot afford'.
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Code Review

The pull request includes changes to several markdown files related to Backup and Restore (BR) functionality in TiDB. The changes primarily focus on correcting typos and grammatical errors. Overall, the changes seem straightforward and aim to improve the clarity and readability of the documentation.

Summary of Findings

  • Typos and Grammatical Errors: Several instances of typos and grammatical errors were identified and corrected across multiple files. These corrections enhance the overall quality and professionalism of the documentation.
  • Inconsistent Terminology: There's a minor inconsistency in the use of 't' vs 'to' in one of the files, which has been addressed to ensure consistency.

Merge Readiness

The changes in this pull request are relatively minor and primarily address typos and grammatical errors. Given the low severity of the identified issues, the pull request is likely suitable for merging after addressing the suggested changes. I am unable to approve this pull request, and recommend that others review and approve this code before merging.

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qiancai commented Apr 21, 2025

/gemini review

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Code Review

The pull request introduces changes to the Backup & Restore (BR) documentation. The changes primarily focus on correcting typos and grammatical errors in the br/br-checkpoint-backup.md file. Overall, the changes are straightforward and aim to improve the clarity and readability of the documentation.

Summary of Findings

  • Typos and Grammatical Errors: The pull request addresses several typos and grammatical errors in the br/br-checkpoint-backup.md file, enhancing the overall quality of the documentation.
  • Clarity and Readability: The corrections contribute to improved clarity and readability, making the documentation easier to understand for TiDB users.

Merge Readiness

The pull request is ready for merging. The changes are minor and address typos and grammatical errors, improving the quality of the documentation. I am unable to directly approve the pull request, and recommend that others review and approve this code before merging.

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Actionable comments posted: 3

🔭 Outside diff range comments (1)
br/br-checkpoint-backup.md (1)

2-5: 🛠️ Refactor suggestion

Add relevant hyperlinks to fix link checker failure.
The Lychee link checker reports no links in this document, causing pipeline failures. Please add hyperlinks to related documentation (for example, the BR tool reference or PD GC safepoint docs) to improve navigability and satisfy the link-checker.

Would you like me to propose specific link additions?

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between eb32909 and be56261.

📒 Files selected for processing (1)
  • br/br-checkpoint-backup.md (1 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
`**/*.md`: As a technical writer in the database area, you need to first learn the changes in this PR, and then improve the content to make it clear, concise, and easy to understan...

**/*.md: As a technical writer in the database area, you need to first learn the changes in this PR, and then improve the content to make it clear, concise, and easy to understand in English according to your database knowledge.

  • br/br-checkpoint-backup.md
🪛 LanguageTool
br/br-checkpoint-backup.md

[grammar] ~15-~15: The modal verb ‘cannot’ requires the verb’s base form.
Context: ...f your TiDB cluster is large and cannot affords to backup again after a failure, you ca...

(MD_BASEFORM)

🪛 GitHub Actions: Links (Fail Fast)
br/br-checkpoint-backup.md

[error] 1-1: Lychee link checker found no links in the markdown file. This usually indicates a configuration error. The step failed with exit code 1.

⏰ Context from checks skipped due to timeout of 90000ms (2)
  • GitHub Check: tidb-cloud-check
  • GitHub Check: tidb-check

# Checkpoint Backup

Snapshot backup might be interrupted due to recoverable errors, such as disk exhaustion and node crash. Before TiDB v6.5.0, data that is backed up before the interruption would be invalidated even after the error is addressed, and you need to start the backup from scratch. For large clusters, this incurs considerable extra cost.
Snapshot backup might be interrupted due t recoverable errors, such as disk exhaustion and node crash. Before TiDB v6.5.0, data that is backed up before the interruption would be invalidated even after the error is addressed, and you need to start the backup from scratch. For large clusters, this incurs considerable extra cost.
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⚠️ Potential issue

Fix typo and improve clarity in the interruption description.
The phrase “due t recoverable errors” is a typo and can be made more concise.

-Snapshot backup might be interrupted due t recoverable errors, such as disk exhaustion and node crash.
+Snapshot backups can be interrupted due to recoverable errors, such as disk exhaustion and node crashes.
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
Snapshot backup might be interrupted due t recoverable errors, such as disk exhaustion and node crash. Before TiDB v6.5.0, data that is backed up before the interruption would be invalidated even after the error is addressed, and you need to start the backup from scratch. For large clusters, this incurs considerable extra cost.
Snapshot backups can be interrupted due to recoverable errors, such as disk exhaustion and node crashes. Before TiDB v6.5.0, data that is backed up before the interruption would be invalidated even after the error is addressed, and you need to start the backup from scratch. For large clusters, this incurs considerable extra cost.

Snapshot backup might be interrupted due t recoverable errors, such as disk exhaustion and node crash. Before TiDB v6.5.0, data that is backed up before the interruption would be invalidated even after the error is addressed, and you need to start the backup from scratch. For large clusters, this incurs considerable extra cost.

In TiDB v6.5.0, Backup & Restore (BR) introduces the checkpoint backup feature to allow continuing an interrupted backup. This feature can retain most data of the interrupted backup.
In TiDB v6.5.0, Backup & Restore (B) introduces the checkpoint backup feature to allow continuing an interrupted backup. This feature can retain most data of the interrupted backup.
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⚠️ Potential issue

Correct the Backup & Restore abbreviation.
The BR tool is abbreviated as “BR,” not “B.”

-In TiDB v6.5.0, Backup & Restore (B) introduces the checkpoint backup feature to allow continuing an interrupted backup.
+In TiDB v6.5.0, Backup & Restore (BR) introduces the checkpoint backup feature to allow continuing an interrupted backup.
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
In TiDB v6.5.0, Backup & Restore (B) introduces the checkpoint backup feature to allow continuing an interrupted backup. This feature can retain most data of the interrupted backup.
In TiDB v6.5.0, Backup & Restore (BR) introduces the checkpoint backup feature to allow continuing an interrupted backup. This feature can retain most data of the interrupted backup.

## Application scenarios

If your TiDB cluster is large and cannot afford to back up again after a failure, you can use the checkpoint backup feature. The br command-line tool (hereinafter referred to as `br`) periodically records the shards that have been backed up. In this way, the next backup retry can use the backup progress close to the abnormal exit.
If your TiDB cluster is large and cannot affords to backup again after a failure, you can use the checkpoint backup feature. The br command-line tool (hereinafter referred to as `br`) periodically records the shards that have been backed up. In this way, the next backup retry can use the backup progress close to the abnormal exit.
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⚠️ Potential issue

Fix grammar in the usage scenario sentence.
Use the base forms “afford” and “back up” after “cannot.”

-If your TiDB cluster is large and cannot affords to backup again after a failure, you can use the checkpoint backup feature.
+If your TiDB cluster is large and cannot afford to back up again after a failure, you can use the checkpoint backup feature.
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
If your TiDB cluster is large and cannot affords to backup again after a failure, you can use the checkpoint backup feature. The br command-line tool (hereinafter referred to as `br`) periodically records the shards that have been backed up. In this way, the next backup retry can use the backup progress close to the abnormal exit.
If your TiDB cluster is large and cannot afford to back up again after a failure, you can use the checkpoint backup feature. The br command-line tool (hereinafter referred to as `br`) periodically records the shards that have been backed up. In this way, the next backup retry can use the backup progress close to the abnormal exit.
🧰 Tools
🪛 LanguageTool

[grammar] ~15-~15: The modal verb ‘cannot’ requires the verb’s base form.
Context: ...f your TiDB cluster is large and cannot affords to backup again after a failure, you ca...

(MD_BASEFORM)

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