Well i found where i can modify code to set cache directory, so i will try to build in a workaround for relocating cache data. I doubt this is necessary but will make us feel better knowing -nonreplacable- flash is not being thrashed.

If you have access to linux/macos desktop you could run install desktop version and run some kind of profiler on it.

If the first 'block' received is the last block of the file then the entire file will be allocated at once.... it allocates as it needs to... not sure how that affects inodes any differently.