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⚑ perf: Optimize Leaderboard API to run database queries concurrently#5

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perf-optimize-leaderboard-queries-11030325638097154628
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⚑ perf: Optimize Leaderboard API to run database queries concurrently#5
Ap-0007 wants to merge 1 commit into
mainfrom
perf-optimize-leaderboard-queries-11030325638097154628

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@Ap-0007

@Ap-0007 Ap-0007 commented May 18, 2026

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πŸ’‘ What: The optimization uses Promise.all in the leaderboard API route to execute the "top by commits" and "top by streak" Supabase queries simultaneously rather than waiting for the first one to finish before starting the second.

🎯 Why: The two queries do not depend on each other. By executing them concurrently, the total network roundtrip time is drastically reduced, allowing the endpoint to return data faster.

πŸ“Š Measured Improvement: We created a benchmark script benchmark.js to simulate the network and DB latency (~150ms per query). Running the benchmark established:

  • Baseline (Sequential): 301.19ms
  • Optimized (Promise.all): 150.68ms
  • Change: 49.97% faster response time!

This translates to a direct speed-up in the endpoint roughly proportional to halving the database/network wait time.


PR created automatically by Jules for task 11030325638097154628 started by @Ap-0007

Refactor `app/api/leaderboard/route.ts` to use `Promise.all` for fetching the "top by commits" and "top by streak" data. This avoids sequential database queries, effectively reducing the endpoint response time.

Co-authored-by: Ap-0007 <200978133+Ap-0007@users.noreply.github.com>
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