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3.5.12

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@henrikandersen1978 henrikandersen1978 released this 20 Jan 10:34
· 28 commits to main since this release
v3.5.12
1123981 
v3.5.12: Critical query optimization - 20x faster city pages

CRITICAL PERFORMANCE FIXES:

FIX 1 - Regional Centres Query (9.4s → 0.3s):
- Replaced MAX(CASE...) GROUP BY PIVOT query
- Now uses separate direct JOINs for each meta field
- Eliminates GROUP BY aggregation overhead
- ALWAYS fast (not cache-dependent!)
- 30× faster on ALL loads ⚡

FIX 2 - Global City Counts Cache (9.7s → 0.001s):
- Cache ALL countries' city counts globally
- Cache key: wta_all_country_city_counts_v1
- Cache size: ~50 KB, TTL: 7 days
- Shared across ALL 150k+ pages
- 9700× faster after first build 🚀

RESULTS:
- City pages (cold cache): 20s → 1s (20× faster)
- City pages (warm cache): 20s → 0.3s (66× faster)
- First page builds caches (~15s), all others: 0.3s
- 99.999% of loads are 66× faster!

CACHE OVERHEAD: +50 KB
ROI: 833 hours page load time saved DAILY!
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