#115Cache Key Omits the Tenant Scope
caching.medCACHING
1function cacheKeyForReport(reportId) {
2 return 'report:' + reportId;
3}
4
5async function getReport(user, reportId) {
6 const key = cacheKeyForReport(reportId);
7 const hit = await redis.get(key);
8 if (hit) return JSON.parse(hit);
9
10 const report = await db.reports.findOne({ id: reportId, tenantId: user.tenantId });
11 await redis.set(key, JSON.stringify(report), 'EX', 600);
12 return report;
13}
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#115PracticeMedium16 min · 120 XP
Cache Key Omits the Tenant Scope
A multi-tenant reporting page intermittently shows one company data that belongs to a different company. It is never reproducible in staging, which has a single tenant.
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