Outage in PostHog

EU - elevated error rate for feature flags, increased latency

Resolved Major
June 25, 2025 - Started 3 days ago - Lasted about 8 hours
Official incident page

Need to monitor PostHog outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including PostHog, and never miss an outage again.
Start Free Trial

Outage Details

We've spotted elevated error rates in feature flags. We're currently investigating the issue, and will provide an update soon.
Latest Updates ( sorted recent to last )
RESOLVED 3 days ago - at 06/25/2025 03:23PM

This incident has been resolved.

MONITORING 3 days ago - at 06/25/2025 01:59PM

we're monitoring the systems after fixes were applied and they are stable.

We're processing the delayed data which should be completed soon.

Web app and feature flags are fully operational again for a while now.

We update this once the delayed data is fully processed.

MONITORING 3 days ago - at 06/25/2025 12:09PM

We applied some more fixes and seeing signs of recovery. We're monitoring the situation.

We still need some time to crunch through the data. We will send an update.

No data has been lost in all of this.

IDENTIFIED 3 days ago - at 06/25/2025 11:49AM

We identified the cause for the increased latency. The error rates for feature flags have decreased (from 1.5%) and the ingestion lag is coming down.

INVESTIGATING 3 days ago - at 06/25/2025 09:30AM

We're investigating increased error rates in feature flags and an increase in latency in the ingestion pipeline.

There is no data loss, but we're currently processing events with a delay.

INVESTIGATING 3 days ago - at 06/25/2025 08:27AM

We're still investigating but also discovered that the web app is showing increased latency.

INVESTIGATING 3 days ago - at 06/25/2025 07:24AM

We've spotted elevated error rates in feature flags. We're currently investigating the issue, and will provide an update soon.

Be the First to Know When Vendors Go Down

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 trial

No credit card required · Cancel anytime · 4400 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook