Yes, you can use it in another job. The uid needs only to be unique within a job.
> 在 2019年10月24日，上午5:42，John Smith <java.dev....@gmail.com> 写道：
>
> When setting uid() of an operator does it have to be unique across all jobs
> or just unique within a job?
>
> For example can I use env.addSource(myKafkaConsumer).uid("kafka-consumer") in
> another job?
