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⚡ Bolt: [performance improvement] Cache directory listing in process_ignore_file - #516
⚡ Bolt: [performance improvement] Cache directory listing in process_ignore_file#516seonghobae wants to merge 1 commit into
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| fun process_ignore_file(curr_dir: File, dirFilesNames: Array<String>? = null): Set<String> { | ||
| val cachedDirList = dirFilesNames ?: curr_dir.list() |
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📝 Info: Caching preserves behavior, cuts one list() call
Both prior evaluations of dirFilesNames ?: curr_dir.list() collapse into one cachedDirList. When dirFilesNames is null the ignore-file block previously called curr_dir.list() a second time; that redundant call is now removed. Null handling and iteration order are unchanged.
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💡 What:
process_ignore_file내에서 반복적으로 호출되던curr_dir.list()호출 결과를cachedDirList지역 변수로 캐싱합니다.🎯 Why:
dirFilesNames가 null인 경우 .html4ignore 처리와 기본 민감 파일 처리를 위해 비싼 OS I/O 통신인curr_dir.list()가 최대 2번 중복 호출되는 성능 병목을 제거합니다.📊 Impact: 각 디렉토리 탐색 시 발생하는 파일 시스템 호출 횟수를 절반으로 줄여 I/O 오버헤드를 감소시킵니다.
🔬 Measurement: 수많은 파일 및 폴더 트리를 크롤링하는 벤치마크 테스트에서 시간 감소를 확인할 수 있습니다.
PR created automatically by Jules for task 17349351478173510936 started by @seonghobae