⚡ Bolt: Optimize array iterations over in-memory Prisma relations#42
⚡ Bolt: Optimize array iterations over in-memory Prisma relations#42seonghobae wants to merge 1 commit into
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Replaced chained `.reduce()` and `.map()` calls with single `for...of` loops when iterating over potentially large in-memory data arrays like `usageRecords` and `thisWeekRollups` generated by Prisma. These optimizations reduce overhead time by iterating only once.
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📝 Walkthrough전체 요약Prisma include로 로드한 메모리 내 관계 데이터에서 다중 배열 순회(reduce, map 연쇄)를 단일 for...of 루프로 통합하는 성능 최적화를 구현합니다. 가이드라인 문서와 세션 집계, 주간 리포트 서비스의 로직이 동시에 개선됩니다. 변경사항메모리 내 데이터 순회 최적화
예상 검토 노력🎯 2 (Simple) | ⏱️ ~22분 축하 시
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✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
✨ Simplify code
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Understood. Acknowledging that this work is now obsolete and stopping work on this task. |
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💡 What:
Replaced multiple, chained array iterations (
.reduce(),.map()) with singlefor...ofloops oversession.usageRecordsin/dashboard/sessionsand/dashboard/sessions/[sessionId]routes, and overthisWeekRollupsinweekly-report.ts. Also added inline comments documenting the rationale.🎯 Why:
Iterating over potentially large in-memory relations returned from Prisma using chained higher-order functions increases memory overhead by creating intermediate array objects and negatively impacts iteration time. A single
for...ofloop is more efficient for computing multiple aggregations simultaneously.📊 Impact:
Reduces iteration complexity and overhead over potentially large result sets (e.g., from multiple passes down to a single pass). Reduces memory allocation by avoiding intermediate closures and arrays. Time complexity constant factor is reduced from O(3N) or O(4N) to O(N).
🔬 Measurement:
Observe memory footprint and route execution time via monitoring for the
/dashboard/sessionsand/dashboard/sessions/[sessionId]endpoints under load, and for the weekly report generation. Runpnpm lintand tests to ensure no logic regressions were introduced.PR created automatically by Jules for task 11320263631110147102 started by @seonghobae