Outage in Optimizely

Search & Navigation Performance Issue - AU Region

Resolved Minor
July 24, 2025 - Started 1 day ago - Lasted about 10 hours
Official incident page

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Outage Details

We are currently investigating an event that is impacting the availability on the Search & Navigation (FIND) service in the AU region. A subset of clients may experience high latency or 5xx-errors.
Components affected
Optimizely Australia East
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 07/25/2025 08:14AM

Our third-party Microsoft partner has completed rolling back all the caches to stable version. The service has been confirmed to fully restored.
Thank you for your patience.

MONITORING 1 day ago - at 07/25/2025 07:25AM

The Search and Navigation service remains healthy while we are still waiting for permanent fix from our third-party Microsoft team in order to confirm full resolution.
We will continue to monitor the service, and post further updates when we get more information.
Thank you for your patience.

MONITORING 1 day ago - at 07/25/2025 03:09AM

We have applied additional mitigation steps and are monitoring the results.

IDENTIFIED 1 day ago - at 07/25/2025 01:00AM

Search & Navigation performance (AU region) is getting impacted by ongoing Redis cache event in Australia East. Microsoft Azure has identified the issue. The issue has been attributed to a code regression, and Microsoft team is actively working to roll back the changes.

IDENTIFIED 1 day ago - at 07/24/2025 11:28PM

The issue has been identified to be related to third-party connection. Our internal team has escalated this issue to the third-party provider.

INVESTIGATING 1 day ago - at 07/24/2025 10:35PM

We are currently investigating an event that is impacting the availability on the Search & Navigation (FIND) service in the AU region. A subset of clients may experience high latency or 5xx-errors.

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