Isaac sim + ros2 humble Process Memory growing all the time

When I use ROS to publish camera and radar data, the memory of the Isaac Sim grows all the time,The following is the Isaac SIM display and process display:

The following is the terminal print log :
1.log (238.7 KB)

Does this issue of memory growth occur when following any specific tutorials from the documentation?

It looks like it will appear as soon as the radar data is sent

Please provide detailed steps and the source code to help us investigate this issue more easily.