Which CronJob field controls how many completed and failed jobs are kept?

Which CronJob field controls how many completed and failed jobs are kept?

• A. retainedJobs
• B. historyLimit
• C. completedJobsHistory
• D. successfulJobsHistoryLimit

Answer: (D)

CronJob keeps a limited history of finished Jobs to avoid unbounded resource use. The setting that controls how many successful (completed) Jobs are retained is the field for successful jobs history limit. When there are more successful Jobs than this limit, the oldest successful ones are cleaned up, keeping only the most recent ones. There is a separate, parallel setting for failed Jobs called failedJobsHistoryLimit, but the option that matches retaining completed jobs is the successfulJobsHistoryLimit field. The other names listed aren’t actual CronJob fields.

CronJob keeps a limited history of finished Jobs to avoid unbounded resource use. The setting that controls how many successful (completed) Jobs are retained is the field for successful jobs history limit. When there are more successful Jobs than this limit, the oldest successful ones are cleaned up, keeping only the most recent ones. There is a separate, parallel setting for failed Jobs called failedJobsHistoryLimit, but the option that matches retaining completed jobs is the successfulJobsHistoryLimit field. The other names listed aren’t actual CronJob fields.