Outage in PostHog US
Session Replay event ingestion: processing delays
Resolved Minor
June 24, 2026 - Started 23 days ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
PostHog US experienced a ~1.5-hour delay in session replay event ingestion caused by a bottleneck in a cache used within the ingestion pipeline. No data was lost, but events were slow to appear in the product during the incident. The issue was resolved by scaling up the affected cache, after which ingestion lag fully recovered.
Session replay ingestion lag has fully recovered
Components affected
PostHog US Session Replay IngestionTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
INVESTIGATING
23 days ago - at 06/24/2026 09:43PM
We’ve identified processing delays in the event ingestion pipeline. Events may take longer than usual to appear in the product. Data is not lost but may not show in PostHog apps and queries until the processing delay is resolved.
IDENTIFIED
23 days ago - at 06/24/2026 09:59PM
The system is starting to see recovery after scaling up a cache that is used in the session replay ingestion pipeline.
MONITORING
23 days ago - at 06/24/2026 10:16PM
Session replay ingestion lag has fully recovered
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