A rotation or movement takes about 3 seconds to react

[babylonjs197s]

I just started learning model, don’t know much about how to optimize the grid, I will be all merged grid directly by blender, and then loading speed is satisfactory, but there is a very headache problem, is a memory leak, continuous jump routing, if I reload the memory model will have been soaring, until the crash, I asked this question before community, It has not been solved, I do not know whether it is the model problem or the BabylonJS problem, can you help me to take a look?

Loading GLTF memory could not be freed

I called GC without any effect at all. I took a memory snapshot using the timeline of memory and found that there are many map, bytecodearray and promisereaction objects under the system, and the map has very deep recursion (about more than 100 layers of nodes). According to the memory analysis of the timeline, these memories have not been released. I don’t know what has been done in babylonjs. [image] I put the snapshot here. Can you help me see what these are? What can I do to free up the o…