Gurobi Optimization incident

AWS connectivity Issue in US-EAST-1

Gurobi Optimization experienced a major incident on September 18, 2023 affecting Gurobi AWS us-east-1, lasting 6h 16m. The incident has been resolved; the full update timeline is below.

Started: Sep 18, 2023, 06:40 PM UTC
Resolved: Sep 19, 2023, 12:56 AM UTC
Duration: 6h 16m
Detected by Pingoru: Sep 18, 2023, 06:40 PM UTC

Affected components

Gurobi AWS us-east-1

Update timeline

investigating Sep 18, 2023, 06:40 PM UTC

We are currently experiencing connectivity issues in AWS Region us-east-1 starting at 9:00 AM PST. We strongly recommend our customers to use another region pending issue is swiftly resolved. We appreciate your patience on this.
investigating Sep 18, 2023, 07:52 PM UTC

AWS has confirmed the increased networking latencies and errors affecting a single Availability Zone (use1-az1) in the US-EAST-1 Region. They have identified a potential root cause of the errors and are attempting mitigations.
resolved Sep 19, 2023, 12:56 AM UTC

This incident has been resolved.