SD card memory use

[igrr]

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

[snahmad75]

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.

[snahmad75]

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 .