Outage report · Partial outage
Elastic Cloud outage on Sep 1, 2026
Replication bug causing slow recoveries
What happened
Elastic Cloud reported a partial outage starting Sep 1, 2026, 08:16 UTC, affecting Elastic Cloud Hosted. It was marked resolved at Sep 30, 2026, 20:44 UTC.
- The incident lasted 29d 12h from first report to resolution.
- It was the 2nd longest of 26 significant outages Elastic Cloud reported in the 12 months up to it.
- Elastic Cloud had reported 17 other partial or major outages in the 90 days before it.
- 12 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Elastic Cloud
This issue was resolved in the 9.5.3 release of Elasticsearch. Customers running versions 9.5.0, 9.5.1, or 9.5.2 of Elasticsearch are advised to update to a newer version as soon as possible.
What our independent monitoring saw
Our independent monitoring of Elastic Cloud started after this incident, so this report is based on Elastic Cloud's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Elastic Cloud's overall reliability
Elastic Cloud has a reliability score of 26.9/100, with 91.19% effective uptime and 23 incidents over the last 90 days.
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