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hardware-and-software-requirements: Add note about supported filesystems (#21379) #21391

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This is an automated cherry-pick of #21379

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@ti-chi-bot ti-chi-bot added lgtm needs-1-more-lgtm Indicates a PR needs 1 more LGTM. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. type/cherry-pick-for-release-8.1 This PR is cherry-picked to release-8.1 from a source PR. type/enhancement The issue or PR belongs to an enhancement. labels Jul 14, 2025
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Summary of Changes

Hello @ti-chi-bot, 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!

This pull request primarily enhances the TiDB documentation by clarifying supported file systems for production environments. It also refines terminology by renaming 'Disk space requirements' to 'Storage requirements' for better accuracy and consistency within the hardware and software requirements guide.

Highlights

  • Documentation Update: Supported Filesystems: A new note has been added to the hardware-and-software-requirements.md file, explicitly stating that TiDB supports XFS and Ext4 file systems, and advises against using other file systems for production environments.
  • Documentation Refinement: Terminology: The section heading 'Disk space requirements' and its corresponding internal link within the hardware table have been updated to 'Storage requirements' in hardware-and-software-requirements.md for improved clarity and broader scope.
  • Link Checker Configuration: The .lycheeignore file has been updated to include a new URL (https://developers.redhat.com/blog/2021/01/05/building-red-hat-enterprise-linux-9-for-the-x86-64-v2-microarchitecture-level), likely to prevent the link checker from flagging it.
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Code Review

This pull request adds a note about supported filesystems to the hardware and software requirements documentation, and updates a section heading for consistency. The changes are straightforward and mostly correct. I've added one suggestion to improve the wording of the new note and fix a minor formatting issue, aligning it better with the documentation style guide regarding active voice and use of the second person.

@@ -292,6 +292,8 @@ As an open-source distributed SQL database, TiDB requires the following network
</tbody>
</table>

TiDB supports the XFS and Ext4 file systems. Other file systems are not recommended for production environments.

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low

This sentence is clear, but has a couple of minor issues:

  • There are two trailing spaces at the end of the line. These are used for hard line breaks in Markdown, but are unnecessary here because the sentence is followed by a blank line to create a new paragraph.
  • The phrase "Other file systems are not recommended" is in passive voice. The style guide recommends using active voice and addressing the user with "you".12

A more direct and active phrasing would be better. Here is a suggestion.

Style Guide References

Suggested change
TiDB supports the XFS and Ext4 file systems. Other file systems are not recommended for production environments.
TiDB supports the XFS and Ext4 file systems. For production environments, it is recommended that you use only these file systems.

Footnotes

  1. The style guide recommends writing in the second person ('you') when addressing users. (link)

  2. The style guide advises against overusing passive voice, providing an example of converting a passive sentence to an active one. (link)

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qiancai commented Jul 15, 2025

/approve

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ti-chi-bot bot commented Jul 15, 2025

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qiancai

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@ti-chi-bot ti-chi-bot bot added the approved label Jul 15, 2025
@ti-chi-bot ti-chi-bot bot merged commit b82cc34 into pingcap:release-8.1 Jul 15, 2025
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