4 disk RAID 10 ext3 Red Hat
| Config |
|
Block Out |
Rewrite Out |
Block In |
Random Seeks |
| Read Ahead |
noatime |
swappiness |
overcommit |
dirty ratio |
dirty bg ratio |
Chunk size |
K/sec |
%cpu |
K/sec |
%cpu |
K/sec |
%cpu |
/sec |
%cpu |
| 192 |
noatime |
0 |
2 |
2 |
1 |
96280M |
163189 |
29 |
102625 |
17 |
288505 |
17 |
583.4 |
1 |
| 256 |
default |
default |
default |
40 |
10 |
96280M |
160848 |
28 |
105445 |
17 |
288802 |
17 |
588.2 |
1 |
| 256 |
noatime |
default |
default |
40 |
10 |
96280M |
157318 |
26 |
106947 |
17 |
289369 |
17 |
603.7 |
1 |
| 256 |
noatime |
0 |
2 |
2 |
1 |
96280M |
162137 |
29 |
104220 |
17 |
292700 |
17 |
609.3 |
1 |
| 1024 |
noatime |
0 |
2 |
2 |
1 |
96280M |
162908 |
29 |
98724 |
15 |
267720 |
13 |
665.0 |
0 |
| 4096 |
default |
default |
default |
40 |
10 |
96280M |
160507 |
28 |
105678 |
15 |
277123 |
13 |
666.5 |
1 |
| 4096 |
noatime |
default |
default |
40 |
10 |
96280M |
159806 |
27 |
106396 |
15 |
276359 |
13 |
525.1 |
1 |
| 8192 |
noatime |
default |
default |
40 |
10 |
96280M |
122381 |
21 |
103858 |
15 |
270377 |
13 |
658.0 |
1 |