Tag: Operational error

A runtime issue caused by system-level factors like resource limits or connectivity.

ID	Title	Description	Category	Technology	Tags
CRE-2025-0042 Critical Impact: 7/10 Mitigation: 5/10	PostgreSQL transaction fails with deadlock detected error in psycopg2 and Django	Applications using Django with PostgreSQL and psycopg2 may encounter `deadlock detected` errors under concurrent write-heavy workloads. PostgreSQL raises this error when two or more transactions block each other cyclically while waiting for locks, and one must be aborted. Django surfaces this as an `OperationalError`, and the affected transaction is rolled back.	Database Problems	django	PostgreSQL Psycopg2 Django Transaction Deadlock Operational error Public Known Issue
CRE-2025-0119 High Impact: 8/10 Mitigation: 7/10	Kubernetes Pod Disruption Budget (PDB) Violation During Rolling Updates	During rolling updates, when a deployment's maxUnavailable setting conflicts with a Pod Disruption Budget's minAvailable requirement, it can cause service outages by terminating too many pods simultaneously, violating the availability guarantees.This can also occur during node drains, cluster autoscaling, or maintenance operations.	Kubernetes Problems	kubernetes	K8s Known Problem Misconfiguration Operational error High Availability