Job status: You can retrieve the status of all the jobs managed through a job manager and retrieve the details in the job history.

作业状态：可以检索由作业管理器管理的所有作业的状态，并检索作业历史记录中的详细信息。

youdao

It takes at least two polling cycles to retrieve a job and then return results, and it could take additional cycles depending on how long the job actually takes to process on the node.

检索作业和返回结果至少要耗费两个轮询周期，并且根据节点处理作业实际花费的时间，可能会耗费更多周期。

youdao

In the UI thread, populate your tree or table with placeholder values and, in a background Job, retrieve the real values and update the tree as you fetch them.

在UI线程里，用占位符填充树或表，在后台的Job中，检索真实数据并在获得数据后更新树。

youdao