chore: increase listen backlog

[LesnyRumcajs]

Summary of changes

Changes introduced in this pull request:

• max out the connection backlog - 4096 is what Lotus defaults to as well (and most processes on my machine)

Reference issue to close (if applicable)

Closes

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.

Outside contributions

• I have read and agree to the CONTRIBUTING document.
• I have read and agree to the AI Policy document. I understand that failure to comply with the guidelines will lead to rejection of the pull request.

Summary by CodeRabbit

Release Notes

• Chores
  • Increased network connection backlog value to align with Linux defaults and improve server resilience under high connection load.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 6c5c22e0-1e6d-4340-820f-9e672e9761d6

📥 Commits

Reviewing files that changed from the base of the PR and between 17e1991 and dad11f5.

📒 Files selected for processing (1)

• src/utils/net.rs

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Walkthrough

This PR increases the minimum listen backlog constant from 1024 to 4096 in the network utilities module, with documentation updated to explain that 4096 aligns with the Linux default somaxconn value on newer kernels and matches the configuration used by Lotus and other servers.

Changes

Listen Backlog Configuration

Layer / File(s)	Summary
Listen backlog constant increase src/utils/net.rs	MIN_LISTEN_BACKLOG is raised from 1024 to 4096 with updated documentation clarifying alignment with Linux default somaxconn and usage patterns in other servers.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• ChainSafe/forest#7034: Modifies the same MIN_LISTEN_BACKLOG constant and related TCP listen backlog logic in src/utils/net.rs.

Suggested reviewers

• hanabi1224
• sudo-shashank

🚥 Pre-merge checks | ✅ 5

✅ 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 'chore: increase listen backlog' accurately and concisely describes the main change: increasing the MIN_LISTEN_BACKLOG constant from 1024 to 4096.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch increase-min-lisen-backlog

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch increase-min-lisen-backlog

Warning

Review ran into problems

🔥 Problems

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.13%. Comparing base (17e1991) to head (dad11f5).
✅ All tests successful. No failed tests found.

Additional details and impacted files

Files with missing lines	Coverage Δ
src/utils/net.rs	43.90% <ø> (ø)

... and 10 files with indirect coverage changes

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