Fwd: Encrypted NAND flash over UBI performance bench marking

[Richard Weinberger]

Am 22.04.2016 um 11:23 schrieb benson_young at sercomm.com:
> Hi Richard,
> 
> If my applications within the EXT4 rootfs do not write on a very regular basis, and setting noatimein
> mount option. will I still have NAND thrashing problem? i.e. the file system itself will try to
> update/journal/sync on a very regular basis (something like 30 second buffer flush)? As you can see
> my knowledge with EXT4 and most file systems are very limited.

You mean ext4 on top of a loopback file on UBIFS?
I don't think it will be a big problem. But to be sure do some tests. :-)
UBI exports ec counter stats in sysfs.

Thanks,
//richard