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perf: consolidate 7 dashboard hooks into single batch request

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Replace useDashboardOverview, useDashboardPages, useDashboardLocations,
useDashboardDevices, useDashboardReferrers, useDashboardPerformance, and
useDashboardGoals with a single useDashboard hook that calls the existing
/dashboard batch endpoint. This endpoint runs all queries in parallel on
the backend and caches the result in Redis (30s TTL).

Reduces dashboard requests from 12 to 6 per refresh cycle (50% reduction).
At 1,000 concurrent users: ~6,000 req/min instead of 12,000.
This commit is contained in:
Usman Baig
2026-03-10 17:55:29 +01:00
parent 00d8656ad2
commit d863004d5f
4 changed files with 56 additions and 62 deletions
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16
lib/swr/dashboard.ts
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@@ -24,6 +24,7 @@ import type {
Stats,
DailyStat,
CampaignStat,
DashboardData,
DashboardOverviewData,
DashboardPagesData,
DashboardLocationsData,
@@ -36,7 +37,7 @@ import type {
// * SWR fetcher functions
const fetchers = {
site: (siteId: string) => getSite(siteId),
dashboard: (siteId: string, start: string, end: string) => getDashboard(siteId, start, end),
dashboard: (siteId: string, start: string, end: string, interval?: string, filters?: string) => getDashboard(siteId, start, end, 10, interval, filters),
dashboardOverview: (siteId: string, start: string, end: string, interval?: string, filters?: string) => getDashboardOverview(siteId, start, end, interval, filters),
dashboardPages: (siteId: string, start: string, end: string, filters?: string) => getDashboardPages(siteId, start, end, undefined, filters),
dashboardLocations: (siteId: string, start: string, end: string, filters?: string) => getDashboardLocations(siteId, start, end, undefined, undefined, filters),
@@ -81,14 +82,15 @@ export function useSite(siteId: string) {
)
}
// * Hook for dashboard summary data (refreshed less frequently)
export function useDashboard(siteId: string, start: string, end: string) {
return useSWR(
siteId && start && end ? ['dashboard', siteId, start, end] : null,
() => fetchers.dashboard(siteId, start, end),
// * Hook for full dashboard data (single request replaces 7 focused hooks)
// * The backend runs all queries in parallel and caches the result in Redis (30s TTL)
export function useDashboard(siteId: string, start: string, end: string, interval?: string, filters?: string) {
return useSWR<DashboardData>(
siteId && start && end ? ['dashboard', siteId, start, end, interval, filters] : null,
() => fetchers.dashboard(siteId, start, end, interval, filters),
{
...dashboardSWRConfig,
// * Refresh every 60 seconds for dashboard summary
// * Refresh every 60 seconds for dashboard data
refreshInterval: 60 * 1000,
// * Deduping interval to prevent duplicate requests
dedupingInterval: 10 * 1000,