1) FUSE block sizes are somewhat adjustable (kernel forces min/max)

2) You can rechunk it in your HTTP client to make fatter HTTP requests: https://go.dev/talks/2013/oscon-dl.slide#51 -- there is even a way in FUSE of pushing the fatter results into the kernel page cache to minimize overhead of coming reads: https://pkg.go.dev/bazil.org/fuse#Conn.NotifyStore