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PostHog: Real-time Analytics Optimization
AnalyticsAdvanced2026-06-12•7 min read
Key Performance Metrics
50M
daily events
0.05%
drop rate
120ms
query time
"Scaling ClickHouse event ingestion to track millions of user actions per day without causing database lockups or high memory usage."
PostHog Scaling and ClickHouse Optimization
A technical overview of scaling ClickHouse event ingestion and querying for PostHog analytics integration.