It seems that variable doesn't remove the duplication if have. Anyway XCom.get / XCom.set looks like more flexible and it meets the requirement.
Thanks, Song ________________________________ 发件人: Song Liu <song...@outlook.com> 发送时间: 2018年5月9日 7:22 收件人: dev@airflow.incubator.apache.org 主题: About the difference between xcom and variable Hi, For the cross-task communication, there are two options: - xcom - variable if I have make sure the key of variable is global unique (such uuid), is there any other limitations or cons for using variable instead of xcom ? since that xcom should specify the task_id which is used not very convenient compared with variable. Any information is appreciated. Thanks, Song
