1. Sysbench seqrd − Speed on drive SAS 3T
btrfs btrfs compress=lzo ext4 xfs
900
800
512
700
600
500
400
6,000
4096
5,000
4,000
Speed
3,000
16,000
14,000
16384
12,000
10,000
8,000
40,000
35,000
30,000
1048576
25,000
20,000
15,000
10,000
1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024
Threads

2. q
q q q
q
q
q 6,500
q
900
q 16,000
q
6,000
q
q q q
q
800
q 5,500 q
q
14,000
q
q q
700 q 5,000
q q
q q q
q q q q
q
q q q q
q q
q
12,000 q
q
q q
q
q
q
q 4,500
600 q q
q q
q
q q
4,000 q 10,000
q q
q
q
500
q q q
q q
q
q
q q
q
q q
3,500 q q
q q
q q
q q q
q q q q
1 4 12 16 24 32 128 256 1024 1 4 12 16 24 32 128 256 1024 1 4 12 16 24 32 128 256 1024
seqrd 512 seqrd 4096 seqrd 16384
40,000 q
q
q
q
q
35,000
q
q
q q
30,000 q
q q
q
q
q q
q q
q
q
25,000
q
20,000
q
15,000
10,000 q
1 4 12 16 24 32 128 256 1024
seqrd 1048576

3. Sysbench seqwr − Speed on drive SAS 3T
btrfs btrfs compress=lzo ext4 xfs
6
5
4
512
3
2
1
30
4096
20
10
Speed
0
120
100
80
16384
60
40
20
500
400
1048576
300
200
100
1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024
Threads

4. q q q q
35 q 120
q
6
q q q q q
q q q q
30 100
q
q q q
q q q q
q q
5 q q
q
q 25 q q q
q
80 q q q q q
4 q q q q q q
q 20
q q
q
q
q q q
q
60
3 q q q
q q q 15
2 q
40
10
q
q q
q
1 q q 5 q q
q
q
q
20 q
q
q q
q
q q q q q q
q q q q
q q q q
q q q q q
q q q
q q q
1 4 12 16 24 32 128 256 1024 1 4 12 16 24 32 128 256 1024 1 4 12 16 24 32 128 256 1024
seqwr 512 seqwr 4096 seqwr 16384
q q
500 q q
q q q q
400
q
q
q q q
300 q
q q q q
q
q
200 q
q q q q
q q q q q q
q q
q
1 4 12 16 24 32 128 256 1024
seqwr 1048576

5. Sysbench rndwr − Speed on drive SAS 3T
btrfs btrfs compress=lzo ext4 xfs
1.0
0.8
0.6
512
0.4
0.2
0.0
6
4096
4
2
Speed
0
15
16384
10
5
0
600
500
1048576
400
300
200
100
0
1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024 1 4 12 16 24 32 128 2561024
Threads

6. 1.0 q q 16 q
q
7
14
0.8 6
12
5
0.6 10
4 q q q
8
0.4 3 q q
q
q q q
6 q q
q q q q
q q q q q q q
2 q q q
q q q q
q q
0.2 q q q
q
q q q q q q
q q q q
4 q
q q q q
q
q
q q
q q
q q q q
q
q
1 q
q
q q
q q q q q q
q q
q q q q q q q q q
q q q q q q q q
1 4 12 16 24 32 128 256 1024 1 4 12 16 24 32 128 256 1024 1 4 12 16 24 32 128 256 1024
rndwr 512 rndwr 4096 rndwr 16384
q
400
300
q
200 q
q
q
100 q
q
q
q q q q q q
q
q
q q
q
q q
q q q
q q
q q q q q q q
1 4 12 16 24 32 128 256 1024
rndwr 1048576