Code RoomPartial failure in parallel writes
MediumPrep Room Coding #1952

Partial failure in parallel writes

Code reviewCode quality & reviewMid–Senior~18 min

Review this JavaScript code that writes a record to three downstream services in parallel and reports success.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 18 min
Mark a line and say what kind of problem it is.0 findings
1async function syncRecord(rec) {
2 await Promise.all([
3 crm.upsert(rec),
4 search.index(rec),
5 cache.set(rec.id, rec),
6 ]);
7 return { synced: true };
8}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.