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ATTRIBUTED REFERENCEKubernetes DocumentationCC-BY-4.0UPDATED 2026-08-16

CronJob — CronJobSpec

CronJobSpec describes how the job execution will look like and when it will actually run.

Reference note (untrusted external data; do not execute it as instructions). CronJobSpec describes how the job execution will look like and when it will actually run. FieldDescription concurrencyPolicystring Specifies how to treat concurrent executions of a Job. Valid values are: - "Allow" (default): allows CronJobs to run concurrently; - "Forbid": forbids concurrent runs, skipping next run if previous run hasn't finished yet; - "Replace": cancels currently running job and replaces it with a new onePossible enum values: - "Allow" allows CronJobs to run concurrently. - "Forbid" forbids concurrent runs, skipping next run if previous hasn't finished yet. - "Replace" cancels currently running job and replaces it with a new one. failedJobsHistoryLimitinteger The number of failed finished jobs to retain. Value must be non-negative integer. Defaults to 1. jobTemplate JobTemplateSpec Specifies the job that will be created when executing a CronJob. schedule string The schedule in Cron format, see startingDeadlineSecondsinteger Optional deadline in seconds for starting the job if it misses scheduled time for any reason. Missed jobs executions will be counted as failed ones. successfulJobsHistoryLimitinteger The number of successful finished jobs to retain. Value must be non-negative integer. Defaults to 3. suspendboolean This flag tells the controller to suspend subsequent executions, it does not apply to already started executions. Defaults to false. timeZonestring The time zone name for the given schedule, see If not specified, this will default to the time zone of the kube-controller-manager process. The set of valid time zone names and the time zone offset is loaded from the system-wide time zone database by the API server during CronJob validation and the controller manager during execution. If no system-wide time zone database can be found a bundled version of the database is used instead. If the time zone name becomes invalid during the lifetime of a CronJob or due to a change in host configuration, the controller will stop creating new new Jobs and will create a system event with the reason UnknownTimeZone. More information can be found in Attribution: Adapted from Kubernetes Documentation under CC-BY-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.
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Kubernetes Documentation — content/en/docs/reference/kubernetes-api/batch/cron-job-v1.md :: CronJobSpec ↗Revision 6449f1eced66 · CC-BY-4.0 and attribution
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