AWS data center overheating disrupts Coinbase, FanDuel

An AWS data center in Northern Virginia overheated Friday, causing cooling and power problems that disrupted Coinbase trading and affected FanDuel as AWS works to restore temperatures.

An Amazon Web Services data center in Northern Virginia overheated on Friday, triggering cooling and power problems that disrupted trading on Coinbase and affected FanDuel and other services.

At 5:11 a.m. UTC, AWS posted a status update saying teams were seeing “early signs of recovery” and working to restore temperatures and bring impacted racks back online in the use1-az4 Availability Zone of the US-EAST-1 region. The company reported incremental progress on cooling systems and stated it had diverted traffic away from the affected zone.

AWS reported a power loss tied to the temperature increase that affected hardware in the facility. Technicians isolated the impacted racks while restoring cooling and power to prevent further hardware damage.

Coinbase reported degraded performance, with some customers unable to complete transactions on web and mobile platforms. The exchange wrote that engineering teams were restoring functionality and confirmed customer funds remained safe. Coinbase added, “We will begin the process to re-enable trading on our markets shortly. All markets would be placed in ‘Cancel Only’ mode before we move to re-enable trading.”

FanDuel reported it was affected by the outage. Other services that depend on resources in the US-EAST-1 Availability Zone experienced reduced performance or interruptions as AWS rerouted traffic to other zones.

US-EAST-1 hosts a large number of cloud services and customer workloads, so a problem in a single Availability Zone can cause outages or degraded performance until resources are restored or traffic is shifted. AWS indicated recovery was underway but did not provide a timeline. Coinbase and other customers reported they were working with AWS and internal engineering teams to re-establish normal operations.

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