Outage in PostHog
Performance degraded in US
Resolved Major
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Outage Details
Our ClickHouse cluster is pretty loaded right now and queries may be pretty slow to complete or not be able to complete at all.
We are investigating what could be the issue.
Latest Updates ( sorted recent to last )
RESOLVED
19 days ago - at 08/21/2025 06:45PM
Batch exports caught up and everything is now back to normal.
MONITORING
19 days ago - at 08/21/2025 06:23PM
We fixed the root cause that was exhausting ClickHouse connections and we are now recovering.
Ingestion lag is fully recovered, and queries are starting to respond as usual again.
We are still monitoring batch exports.
INVESTIGATING
19 days ago - at 08/21/2025 04:47PM
We've spotted that something has gone wrong. We're currently investigating the issue, and will provide an update soon.
INVESTIGATING
19 days ago - at 08/21/2025 04:38PM
We've spotted that something has gone wrong. We're currently investigating the issue, and will provide an update soon.
INVESTIGATING
19 days ago - at 08/21/2025 04:37PM
Our ClickHouse cluster is pretty loaded right now and queries may be pretty slow to complete or not be able to complete at all.
We are investigating what could be the issue.
Latest PostHog outages
EU ingestion lag - 5 days ago
Batch exports delayed in EU Cloud - 6 days ago
Data Processing Delays - Reporting Tools Affected - 7 days ago
Posthog web app down - 12 days ago
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