job.spec.backoffLimit:重试次数限制

job.spec.template.spec.restartPolicy:重启策略,Always,OnFailure,Never


## 并行job
job.spec.completions：job总共被执行的次数
job.spec.parallelism：并行执行个数


## CronJob
cronjob.spec.schedule: 定时，与crontab格式一样

cronjob.spec.startingDeadlineSeconds:job最长启动时间
cronjob.spec.concurrencyPolicy：是否允许并行运行
cronjob.spec.successfulJobsHistoryLimit:允许存留历史job个数