Outage in PostHog US
EU ingestion lag
Resolved MinorIncident Report
We are having some issues with our ClickHouse cluster not being able to merge parts as expected and it's leading to increased ingestion lag.
We are looking into what the root cause could be.
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Latest Updates ( sorted recent to last )
RESOLVED
8 months ago - at 09/04/2025 06:27PM
We spotted one of our tables receiving way too many inserts and causing issues with replication inside the cluster.
We resolved that and lag is now back to normal.
INVESTIGATING
8 months ago - at 09/04/2025 04:21PM
We are having some issues with our ClickHouse cluster not being able to merge parts as expected and it's leading to increased ingestion lag.
We are looking into what the root cause could be.
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