Outage in PostHog US
Event ingestion: processing delays
Resolved Minor
February 27, 2026 - Started 2 months ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
PostHog experienced processing delays in their event ingestion pipeline at the final Clickhouse ingestion stage, causing events to take longer than usual to appear in the product. While no data was lost, users experienced delays in seeing events show up in PostHog apps and queries. The processing delays were resolved after 1.4 hours with processing times returning to normal levels.
We’ve identified processing delays in the event ingestion pipeline at the final Clickhouse ingestion stage. 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.
Trusted by 1,000+ teams
Never miss outages in third-party dependencies
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
MONITORING
2 months ago - at 02/27/2026 09:45AM
Processing times in the event ingestion pipeline have recovered to normal levels, but we're continuing to monitor the situation.
INVESTIGATING
2 months ago - at 02/27/2026 09:15AM
We’ve identified processing delays in the event ingestion pipeline at the final Clickhouse ingestion stage. 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.
Latest PostHog US outages
Logs ingestion: processing delays - 7 days ago
Phishing emails sent via PostHog invite system - 11 days ago
Realtime destinations: overflow delivery issues - 25 days ago
Analytics: query timeouts/failures - 26 days ago
Never miss outages in third-party dependencies
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
