Increased HTTP 5xx Errors for us-east-1-aws

Updates timeline

1. Investigating Jul 31, 02:01 AM UTC

   Cloudflare is investigating an increased level of intermittent HTTP 5xx errors for customers using AWS region us-east-1-aws. We are working to analyse and mitigate this problem. More updates to follow shortly.

2. Identified Jul 31, 02:34 AM UTC

   The issue has been identified and a fix is being implemented.

3. Monitoring Jul 31, 04:08 AM UTC

   A fix has been implemented and we are monitoring the results.

4. Resolved Jul 31, 04:19 AM UTC

   This incident has been resolved.