How to split and insert data in list format without affecting query speed in Apache IoTDB?

The data we send to Apache IoTDB server is in a list format. I use the flink state operator to split the list. When I try to insert data, I use session.insertrecard, which I realized may affect query speed, because after the list is split, the inserting process of the data in the list can only be executed one by one. Therefore when I