Datacenter Issue Causing Minimal Degredation

What to do

• Check whether you use Cerebras GPT-OSS-120B. 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.

• Confirm your retries, queues and scheduled jobs caught up after the 12h 2m it lasted.

  Anything that failed between 2025-10-19 02:37 UTC and 2025-10-19 14:38 UTC may need a replay.

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

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

Updates from Cerebras 4

1. investigatingOct 19, 2025, 2:37 AM UTC

   We are experiencing issues with one of our datacenters. We are actively working on mitigation. Seeing minimal degradation of service at this point. Fortunately, this only impacts one datacenter, the rest are operational, and redundancies are in place. ETA recovery time for datacenter: 8 hours. We will actively keep you updated on the progress.

   provider

2. investigatingOct 19, 2025, 2:37 AM UTC

   We are continuing to investigate this issue.

   provider

3. identifiedOct 19, 2025, 2:41 AM UTC

   Update: The issue has been root caused to a city water supply disruption. We are actively working on mitigation.

   provider

4. resolvedOct 19, 2025, 2:38 PM UTC

   Between Oct 18th 7 PM PT and Oct 19th 6.30 AM PT users experienced minor service disruption with Llama 3.3 70B, Qwen 3 32B, GPT OSS 120B, Qwen 3 235B Thinking, Qwen 3 Coder 480B because of a datacenter issue. We have deployed the fix and the issue is now resolved.

   provider

Corrections

None so far.

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