Outage in PostHog

Delayed Cohort Processing

Resolved Major
July 14, 2025 - Started 5 days ago - Lasted about 5 hours
Official incident page

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Outage Details

We've spotted a delay in cohort processing. We're currently investigating the issue, and will provide an update soon.
Components affected
PostHog App PostHog App
Latest Updates ( sorted recent to last )
RESOLVED 5 days ago - at 07/14/2025 07:08PM

Cohorts are being processed normally again. All cohorts that have not been calculated since July 11, 2025 will be calculated within 24hr. If you need a cohort to be calculated sooner, navigate to the cohort in the PostHog app and press the Save button.

IDENTIFIED 5 days ago - at 07/14/2025 05:45PM

We have identified an issue and rolled out a mitigation. Our systems are working though a backlog of cohorts that have not been calculated since 07-11.

INVESTIGATING 5 days ago - at 07/14/2025 02:04PM

We've spotted a delay in cohort processing. We're currently investigating the issue, and will provide an update soon.

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