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@eschabell eschabell commented Nov 28, 2025

Adjusted config option table and cleanup of disk io metrics input plugin doc. Fixes #2235.

Summary by CodeRabbit

  • Documentation
    • Updated disk I/O metrics parameter documentation for clarity and consistency.

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@eschabell eschabell self-assigned this Nov 28, 2025
@eschabell eschabell requested review from a team as code owners November 28, 2025 11:46
@eschabell eschabell added the 4.2 label Nov 28, 2025
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coderabbitai bot commented Nov 28, 2025

Walkthrough

Parameter keys in the disk IO metrics input plugin documentation were standardized to lowercase nomenclature (interval_sec, interval_nsec, dev_name, threaded). Related descriptions and formulas were updated accordingly to maintain consistency with the new naming convention.

Changes

Cohort / File(s) Summary
Disk IO Metrics Documentation
pipeline/inputs/disk-io-metrics.md
Standardized public parameter key naming from mixed case to lowercase; updated interval descriptions to separately reference nanoseconds; revised total interval calculation formula to use lowercase parameter names.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

  • Single documentation file with straightforward parameter name standardization and formula updates

Suggested reviewers

  • esmerel

Poem

🐰 Parameters aligned in rows so neat,
Lowercase letters, oh how sweet!
interval_sec dances with interval_nsec's grace,
Dev names now humble in their proper place—
Cleanup complete, the docs now gleam!

Pre-merge checks and finishing touches

✅ Passed checks (5 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly describes the main changes: adjusting the config option table and cleanup of documentation, and references the related issue.
Linked Issues check ✅ Passed The PR addresses issue #2235's objectives: renaming parameter keys to lowercase, reorganizing the config table, and standardizing the documentation format.
Out of Scope Changes check ✅ Passed All changes are focused on documentation updates to the disk-io-metrics.md file, directly related to the linked issue's cleanup objectives.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
✨ Finishing touches
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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 0113141 and 984c86a.

📒 Files selected for processing (1)
  • pipeline/inputs/disk-io-metrics.md (2 hunks)
🔇 Additional comments (2)
pipeline/inputs/disk-io-metrics.md (2)

79-79: Formula and example update is correct.

The total interval formula accurately reflects the updated lowercase parameter names and the mathematical conversion from nanoseconds to seconds (dividing by 1,000,000,000) is accurate. The example correctly calculates 1.5s = 1s + 500,000,000ns.

Also applies to: 81-81


13-16: The review comment is incorrect. The original review misidentified the parameter names in the table and mischaracterized an intentional formatting pattern.

Actual state:

  • Table (lines 13-16): Uses PascalCase (Interval_Sec, Interval_NSec, Dev_Name, Threaded)
  • YAML example (lines 53-54): Uses lowercase (interval_sec, interval_nsec)
  • .conf example (lines 68-69): Uses PascalCase (Interval_Sec, Interval_NSec)

This is correct and intentional: Fluent Bit's documented design uses Title-Case keys for .conf format and lowercase keys for YAML format. Both formats expose the same configuration options with format-appropriate casing. The documentation properly reflects this standard convention.

Likely an incorrect or invalid review comment.


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AI review passed, merging.

@eschabell eschabell merged commit 00a6926 into fluent:master Nov 28, 2025
8 checks passed
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Disk IO Metrics input plugin cleanup.

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