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Outage in PostHog US

Event ingestion: processing delays

Resolved Minor
June 05, 2026 - Started about 17 hours ago - Lasted about 9 hours

Incident Report

Summary AI Generated

PostHog US experienced an 8.5-hour event ingestion pipeline delay that caused events to take longer than usual to appear in the product and queries. No data was lost during the incident, but events from the affected time period required several hours of replay processing to become available. Current event ingestion returned to normal while the backlog of delayed events was being processed.

We are continuing to replay event data that was not ingested earlier prior to the incident. This should continue for the next few hours. Current data is ingesting as normal.
Components affected
PostHog US Event Ingestion Lag

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Latest Updates ( sorted recent to last )
INVESTIGATING about 17 hours ago - at 06/05/2026 11:57PM

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.

MONITORING about 16 hours ago - at 06/06/2026 01:28AM

Data ingestion is recovering but will be delayed. No data lost during the incident window.

MONITORING about 15 hours ago - at 06/06/2026 02:07AM

We are continuing to monitor the situation. Status-quo event ingestion is back to normal, but events that should have been ingested during the hours prior to this incident are being replayed, and there will be a delay before they are available in the product. No data was lost during the incident.

MONITORING about 12 hours ago - at 06/06/2026 04:41AM

We are continuing to replay event data that was not ingested earlier prior to the incident. This should continue for the next few hours. Current data is ingesting as normal.

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