确切的算法是kafka connect内部的，但它通常与分区和主题的数量有关。因此，例如，如果将tasks.max设置为10，并具有以下接收器连接器配置：

1 topic, 1 partition - then Kafka connect will only spawn a single task
2 topics, 1 partition each - then Kafka connect will spawn 2 tasks, 1 for each topic
2 topics, 5 partitions each - then Kafka connection will spawn 10 tasks, 1 for each topic partition
4 topics, 5 partitions each - the Kafka connection will spawn 10 tasks, each handling data from 2 topic partitions.

在另一个论坛上得到了这个解释。