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⚡ Bolt: [performance improvement] 대용량 로그 스캔 시 정규표현식 선행 방지 및 최적화 - #909

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⚡ Bolt: [performance improvement] 대용량 로그 스캔 시 정규표현식 선행 방지 및 최적화#909
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bolt/optimize-r-coverage-regex-10882034578476589541

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@seonghobae

@seonghobae seonghobae commented Aug 9, 2026

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💡 What: scripts/ci/r_coverage_peer_gate.pyclassify_testthat_failure 함수에서 정규표현식 스캔 전에 단순 문자열("Error: Test failures") 포함 여부를 먼저 확인하도록 O(N) 서브스트링 검증(early return)을 추가했습니다.
🎯 Why: 기존 로직은 테스트 실패가 없는 최대 2MB 크기의 대용량 로그 파일 전체에 대해 무거운 정규표현식 파싱을 불필요하게 수행하여 리소스를 낭비하는 성능 병목이 있었습니다.
📊 Impact: 테스트 실패가 포함되지 않은 일반적인 로그(Cold Path)에 대해 스캔 시간이 약 20ms에서 1ms로 대폭 단축됩니다.
🔬 Measurement: 2MB 더미 텍스트를 사용해 테스트한 벤치마크 스크립트를 통해 단축된 수행 시간을 직접 확인했습니다. 관련된 유닛 테스트 또한 100% 커버리지로 통과합니다.


PR created automatically by Jules for task 10882034578476589541 started by @seonghobae

Summary by CodeRabbit

  • 성능 개선

    • 대용량 로그를 분석할 때 정규표현식 검사 전에 관련 문자열 존재 여부를 먼저 확인하도록 개선했습니다.
    • 불필요한 정규표현식 실행을 줄여 로그 스캔 성능을 높였습니다.
  • 버그 수정

    • 테스트 실패 요약이 없더라도 명시적인 테스트 실패 문구가 포함된 로그를 올바르게 분류하도록 보완했습니다.
  • 문서

    • 이번 성능 개선 사항을 변경 로그에 반영했습니다.
  • 테스트

    • 로그 분류 동작에 대한 회귀 테스트를 추가했습니다.

대용량 CI 로그(최대 2MB)를 스캔할 때 테스트 실패를 포함하지 않는 경우,
불필요한 정규표현식(`FAIL_SUMMARY_RE.findall`) 탐색을 방지하여 스캔 속도를 개선했습니다.
단순 문자열 존재 여부 검사(`"Error: Test failures" not in text`)를 정규표현식보다 앞서 실행하도록 순서를 변경하였습니다.
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@coderabbitai

coderabbitai Bot commented Aug 9, 2026

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Review Change Stack

📝 Walkthrough

Walkthrough

classify_testthat_failure가 정규식 분석 전에 "Error: Test failures" 문자열을 확인합니다. 관련 회귀 테스트와 성능 최적화 문서를 갱신했습니다.

Changes

로그 실패 분류

Layer / File(s) Summary
로그 분류 조기 반환 및 검증
scripts/ci/r_coverage_peer_gate.py, tests/test_r_coverage_peer_gate.py
고정 문자열이 없는 로그는 즉시 False로 분류합니다. 해당 동작을 회귀 테스트로 검증합니다.
성능 최적화 문서 갱신
.jules/bolt.md, CHANGELOG.md
기존 정규식 사전 컴파일 학습 항목을 삭제합니다. 로그 스캔 전 문자열 검색 최적화 항목을 추가합니다.

Estimated code review effort: 1 (Trivial) | ~5 minutes

🚥 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 제목은 대용량 로그 스캔 전에 정규표현식 실행을 방지하는 성능 최적화라는 주요 변경 사항을 명확하게 설명합니다.
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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🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Commit unit tests in branch bolt/optimize-r-coverage-regex-10882034578476589541

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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@CHANGELOG.md`:
- Around line 1-4: Restore the existing Keep a Changelog content plus its Added
and Fixed sections in CHANGELOG.md (lines 1-4), then retain the new optimization
entry under Unreleased. In .jules/bolt.md (lines 43-46), preserve the existing
regex precompilation lesson and add the O(N) substring-search lesson as a
separate entry; do not replace either document’s prior content.
🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: babbb661-6878-4dc3-acf5-f37b2663a4b3

📥 Commits

Reviewing files that changed from the base of the PR and between 6eb06cd and 36df2aa.

📒 Files selected for processing (4)
  • .jules/bolt.md
  • CHANGELOG.md
  • scripts/ci/r_coverage_peer_gate.py
  • tests/test_r_coverage_peer_gate.py

Comment thread CHANGELOG.md
Comment on lines +1 to +4
# CHANGELOG

## [Unreleased]

### Added

- Added a trusted pull-request comment router for `@cwl-noema-review` and review-only `@opencode-agent` dispatches, with an organization sweep, exact-head receipts, repository allowlisting, fixed runners, immutable checkout pins, and a permanent 100% statement/branch/docstring quality gate.
- Added exact-base `uv.lock` materialization that reconstructs standalone nested projects with a checksum-pinned official `uv` exporter, isolated frozen/offline execution, strict exact-pin and SHA-256 output validation, and complete Python 3.10/3.14 quality evidence.

### Fixed

- Bounded the Strix quality self-test's deterministic timeout fixtures to 3-second process and 5-second fake-sleep budgets so exact-head policy evidence completes inside the existing job limit without changing production Strix scanner timeouts, providers, credentials, or review semantics.
- Allowed commas and ASCII parentheses in the bounded Strix changed-file path policy so legal tracked Packrat fixtures can receive exact-head security analysis, while rejecting raw `..` components before normalization and keeping controls, backslashes, whitespace ambiguity, and shell punctuation fail-closed.
- Bound each review-agent invocation key to the wrapper's complete canonical payload, including the base branch and requesting actor; altered fields with a valid-format key now fail before durable-leader election or forwarding, and wrapper write permission is job-scoped.
- Bound both trusted-uv quality jobs to `github.event.pull_request.head.sha` and added a permanent two-checkout regression contract so exact-head compatibility, coverage, docstring, and compilation claims cannot silently measure GitHub's generated pull-request merge revision.
- Made Strix treat only a single LiteLLM provider-error line containing NVIDIA NIM context and model-catalog 404 evidence as cross-model fallback evidence, rejecting cross-line signal assembly and provider-like target source literals; moved the public default to Nemotron 3 Super 120B and added a second NVIDIA hosted candidate before GitHub Models without neutralizing reported vulnerabilities.
- ⚡ Bolt: 성능 향상 - 대용량 로그 스캔 시 정규표현식 실행 전 O(N) 서브스트링 검증 선행

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📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win

기존 문서를 보존하고 새 항목만 추가하세요.

두 파일 모두 기존 내용을 삭제하고 새 항목만 남깁니다. 이 변경은 릴리스 이력과 기존 엔지니어링 학습을 잃게 합니다.

  • CHANGELOG.md#L1-L4: 기존 Keep a Changelog 설명과 Added/Fixed 항목을 복원하고 새 최적화 항목을 Unreleased 아래에 추가하세요.
  • .jules/bolt.md#L43-L46: 기존 정규식 사전 컴파일 학습을 유지하고 새 O(N) 문자열 검색 학습을 별도 항목으로 추가하세요.
📍 Affects 2 files
  • CHANGELOG.md#L1-L4 (this comment)
  • .jules/bolt.md#L43-L46
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@CHANGELOG.md` around lines 1 - 4, Restore the existing Keep a Changelog
content plus its Added and Fixed sections in CHANGELOG.md (lines 1-4), then
retain the new optimization entry under Unreleased. In .jules/bolt.md (lines
43-46), preserve the existing regex precompilation lesson and add the O(N)
substring-search lesson as a separate entry; do not replace either document’s
prior content.

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