主节点收集结果，并继续分发任务，依此类推。
The master node assembles the results, further distributes work, and so on.
请记住，在 MPP 环境中，这将为运行该命令的节点收集该信息。
Remember, in MPP environments, this information will be collected for the node where you ran this.
用户可以通过线程和/或节点收集统计数据，节点统计有两个详细的级别（basic 或 advanced）可用。
Users can collect statistics by thread and/or node, with node statistics available in two levels of detail (basic or advanced).
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