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BTRFS vs EXT4

Setup

New factory fresh disc 1TB WD Black. Two 100MB primary partitions created in the middle of disk. First with EXT4 second with BTRFS. No tunning or additional options provided during partition creation.

Buildroot build performance test

test EXT4 BTRFS
make toolchain real 6m7.255s
user 24m10.084s
sys 1m39.960s 		real 6m13.194s
user 23m56.444s
sys 1m41.756s
make uboot
make linux
make linux-reconfigure

kupa 

dupa
dupa