# EZID Operational Error [TOC] ## Issue description - EZID processes can't connect to the Amazon RDS (Relational Database Service) that is running MySQL and keeps receiving one of [these errors](#Errors). - EZID was down for ~3 minutes and operations resumed as soon as the RDS was up. ## Observations: - Something terribly wrong happend at 12:22 PM (Pacific Time) on the `rds-ias-ezid-search` production server. - The memory utilization increased from 90% to 100% resulting to a server cr