perf(attendees): eliminate /attendees N+1 — 83 → 36 queries (-57%) - #550

Open

smarcet wants to merge 30 commits into

hotfix/cache-optimizationsfrom

perf/attendees-n-plus-1

Commits on May 23, 2026

fix(serializer): add last_edited timestamp to presentation cache key for automatic invalidation
smarcet
committed
7da81b2
chore(routes): enable server.timing.doctrine on getEvents for profiling
smarcet
committed
34d39eb
chore(profiling): expose per-phase request breakdown via Server-Timing header
smarcet
committed
07882a0
fix(profiling): accurate DB time measurement via DBAL Driver Middleware
smarcet
committed
d09ff46
chore(profiling): log top-repeating SQL patterns to identify exact N+1 sources
smarcet
committed
3c04297
fix(member): memoize belongsToGroup() per-instance to eliminate N+1 of 84 queries
smarcet
committed
9a9e23e
fix(repository): preload PresentationSpeaker + Member in single DQL query
smarcet
committed
c6fa4d3
fix(repository): include root alias 'a' in speaker+member preload SELECT
smarcet
committed
b3ba482
chore(debug): instrument preload to confirm what it loads
smarcet
committed
098d513
chore(debug): capture Member query params to identify which Members are being loaded
smarcet
committed
92596db
fix(debug): strip backticks before matching Member table name
smarcet
committed
0aab8d1
fix(auth): memoize getCurrentUser() — eliminates ~98 redundant Member SELECTs per request
smarcet
committed
9883ff4
fix(repository): batch-preload SummitSelectedPresentation, eliminates 20 queries
smarcet
committed
5043231

Commits on May 25, 2026