One of the advantages of using the grid computing environment is to "farm out" long-running jobs, but that means we need some ways of keeping track of those jobs and the status for each of them.

使用网格计算环境的一个优点是可以“转包”长时间运行的任务，但是这意味着我们需要某种方法来跟踪每个任务及其状态。