Outage in PostHog

Delays in processing some events

Resolved Minor
December 11, 2024 - Started 11 days ago - Lasted 2 days
Official incident page

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Outage Details

We've had some reports of some events being ingested with large delays (up to multiple hours). We're investigating and will update when we have more information.
Components affected
PostHog Event and Data Ingestion
Latest Updates ( sorted recent to last )
RESOLVED 8 days ago - at 12/14/2024 01:36AM

All events have been ingested and have been accounted for. There are no more partial time periods. We apologize for the delay and inconvenience here and have a plan to prevent this in the future. Have a great weekend!

MONITORING 9 days ago - at 12/13/2024 12:53AM

We are mostly through processing our backlog but some periods may be seeing a 10% under-reporting on certain periods between Dec 10 - Dec 12. From the current rate of recovery we will be 100% complete in ~20 hours. We apologize for the inconvenience and are working to get these last 10% of events available as quickly as we can. Data is fully up to date with no under-reporting from Dec 12 at 6am UTC forward.

MONITORING 10 days ago - at 12/12/2024 05:39AM

We've tuned our ingestion stack to catch up as quickly as possible on the missing events. The events have been captured by our database, but are in the process of getting sorted into their final shard destinations. We apologize for the delay here and are working to resolve this as quickly as possible. We expect to be mostly caught up within one day and will update with progress reports on that front.

IDENTIFIED 10 days ago - at 12/11/2024 10:15PM

We're still in the process of recovering.

To give some more information, this impacts events from the 8th onwards (but only some events). No data has been lost, and once we're recovered all data should be present for querying.

IDENTIFIED 11 days ago - at 12/11/2024 04:48PM

We've figured out the issue and are currently working on resolving this. No data has been lost. We should have this resolved completely within a few hours.

INVESTIGATING 11 days ago - at 12/11/2024 03:19PM

We've had some reports of some events being ingested with large delays (up to multiple hours). We're investigating and will update when we have more information.

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