ESP32 Forum

This refers to FAT allocation unit size, i.e. the the sector size of the disk. It doesn't refer to RAM allocation.

Which parameter is defining reading file chunk size RAM for reading/writing .

My internal RAM stats shows reduce ram during files reading from SD card.

This refers to FAT allocation unit size, i.e. the the sector size of the disk. It doesn't refer to RAM allocation.

I still getting low internal ram uage every time I read some web files from SD card for my web application.

It goes down from 60k to 45k.

How can I define reading file chunk size RAM for reading/writing .