请说明以下我的火花工作流程是否可行。
+-------------+ some transformations +----------+
| master node |-------------------+--------->| worker 1 |-> export to mongodb1
+-------------+ | job1 +----------+
| +----------+
+--------->| worker 2 |-> export to mongodb2
| job2 +----------+
| +----------+
+--------->| worker 3 |-> export to mongodb3
job3 +----------+