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PostHog

Maintenance: ClickHouse Upgrades

Maintenance Lasted 0m · started · PostHog's page

Level
confirmed
Worst impact
Maintenance

What to do

  • Check whether your product depends on PostHog. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Check that everything you run on PostHog came back after the window closed 2026-10-25 15:33 UTC.

  • Subscribe to PostHog's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=posthog works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from PostHog 4

  1. resolved

    Status: Complete (Sat, 24 Oct 2026 22:00:00 GMT - Sun, 25 Oct 2026 15:33:03 GMT) Our ClickHouse clusters have been updated Affected components App (Web & Desktop) (Operational) REST API Query endpoints (Operational) REST API Query endpoints (Operational) App (Web & Desktop) (Operational)

    provider

  2. resolved

    Status: Complete (Sat, 24 Oct 2026 22:00:00 GMT - Sun, 25 Oct 2026 15:33:03 GMT) Our ClickHouse clusters have been updated Affected components REST API Query endpoints (Operational) REST API Query endpoints (Operational) App (Web & Desktop) (Operational) App (Web & Desktop) (Operational)

    provider

  3. resolved

    Status: Complete (Sat, 24 Oct 2026 22:00:00 GMT - Sun, 25 Oct 2026 15:33:03 GMT) Our ClickHouse clusters have been updated Affected components REST API Query endpoints (Operational) App (Web & Desktop) (Operational) App (Web & Desktop) (Operational) REST API Query endpoints (Operational)

    provider

  4. resolved

    Status: Complete (Sat, 24 Oct 2026 22:00:00 GMT - Sun, 25 Oct 2026 15:33:03 GMT) Our ClickHouse clusters have been updated Affected components App (Web & Desktop) (Operational) App (Web & Desktop) (Operational) REST API Query endpoints (Operational) REST API Query endpoints (Operational)

    provider

Reports count in aggregate; nothing about you is shown.

Corrections

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Questions about DWN-55998a8d41

Is this PostHog maintenance still going on?

No, it ended 2026-10-25 15:33 UTC.

How long did it last?

0m, from 2026-10-25 15:33 UTC to 2026-10-25 15:33 UTC, by the times PostHog posted.

What caused it?

PostHog hasn't published a root cause. If it does, it shows here.

Where does this come from?

PostHog's official status page, https://www.posthogstatus.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.