Outage in PostHog

Elevated API Errors

Resolved Major
April 25, 2025 - Started 13 days ago - Lasted about 3 hours
Official incident page

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Outage Details

We're experiencing an elevated level of API errors incl feature flags and are currently looking into the issue.
Latest Updates ( sorted recent to last )
RESOLVED 13 days ago - at 04/25/2025 11:03AM

We identified undetected underprovisioning in one of our network components.

We scaled this up now and working on a fix to mitigate this long-term.

Thank you for your patience.

INVESTIGATING 13 days ago - at 04/25/2025 09:45AM

Performance and error rate are back to normal levels.

we're still investigating the root cause for this issue.

INVESTIGATING 13 days ago - at 04/25/2025 09:32AM

We are continuing to investigate this issue.

Notice about US: this incident never affected the US environment. The "partial outage" status was wrong for that. We will correct this later. apologies for the inconvencience

INVESTIGATING 13 days ago - at 04/25/2025 09:28AM

The error rate has gone down, we're still looking for the root cause.

INVESTIGATING 13 days ago - at 04/25/2025 08:52AM

Elevated error rates are coming up again, we're investigating

MONITORING 13 days ago - at 04/25/2025 08:20AM

We identified a surge in memory usage and workload eviction events. We scaled up feature flags and web app to mitigate.

We're monitoring this.

INVESTIGATING 13 days ago - at 04/25/2025 08:12AM

Situation has calmed down after scaling up resources. We're still investigating the root cause.

Notice: in an earlier message, it was reported that this was about the US region. This was wrong, this is only about the EU region. Apologies for the initial wrong reporting

INVESTIGATING 13 days ago - at 04/25/2025 08:03AM

We are continuing to investigate this issue.

INVESTIGATING 13 days ago - at 04/25/2025 08:02AM

We're experiencing an elevated level of API errors incl feature flags and are currently looking into the issue.

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