Kubernetes Practical By Samson Tanimawo, PhD Published Mar 24, 2026 4 min read

Jobs vs CronJobs

Run-once vs scheduled. K8s job controllers.

Job

Run-once. Pod runs to completion.

Best for migrations, one-off tasks.

CronJob

Scheduled. Spawns Jobs on schedule.

Best for recurring tasks.

Avoid

Long-running pods as Deployments when they should be Jobs.

Job controller manages completion better.