Japanese presentation about Ceph (A Petabyte Scale Storage) 第３回　クラウドストレージ研究会　September 8th, 2011 in Tokyo, Japan

1. 入門
月 日
1

2. [ 入門 ]
2

3. [ 自己 ]
月
一
月
3

4. [ ]
目
高
高
一
高
4

5. [ ]
氏 立
大
士 文
氏
氏
月 日
5

6. [
6

7. [ ]
7

8. [ ]
8

9. [ ]
自
高 高
高
9

10. [ ]
金
10

11. [ ]
11

12. 豆
[ ]
12

13. [ 門 足 ]
13

14. [ 門 足 ]
米
手 用
足
大
自
14

15. [ ]
一
15

16. [ ]
入力
16

17. [ ]
17

18. [ 自 ]
18

19. [ ]
自
19

20. [ ]
tatsuya@ceph2c:~$ fio fio-scenarios/seqwrite-ceph-001w-test.fio
seq-write: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
Starting 1 process
seq-write: Laying out IO file(s) (1 file(s) / 1024MB)
Jobs: 1 (f=1): [W] [100.0% done] [0K/37768K /s] [0/9220 iops] [eta 00m:00s]
seq-write: (groupid=0, jobs=1): err= 0: pid=5370
write: io=1024MB, bw=37681KB/s, iops=9420, runt= 27828msec
clat (usec): min=4, max=138319, avg=104.76, stdev=1020.92
bw (KB/s) : min=10422, max=80008, per=100.09%, avg=37714.41,
stdev=17705.73
cpu : usr=0.18%, sys=81.04%, ctx=2447, majf=0, minf=23
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%,
>=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%,
>=64=0.0%
issued r/w: total=0/262144, short=0/0
lat (usec): 10=0.19%, 20=0.02%, 50=72.09%, 100=12.62%, 250=12.14%
lat (usec): 500=1.66%, 750=0.49%, 1000=0.13%
lat (msec): 2=0.10%, 4=0.09%, 10=0.40%, 20=0.04%, 50=0.01%
lat (msec): 100=0.01%, 250=0.01%
Run status group 0 (all jobs):
WRITE: io=1024MB, aggrb=37680KB/s, minb=38584KB/s, maxb=38584KB/s,
mint=27828msec, maxt=27828msec
20

21. [
150000
]
112500
75000
37500
0
seq write seq read rand write
21

22. [ ]
高 用
長 行
用 大 十
用
22

23. [ ]
23

24. [ ]
大
手
大
24

25. [ ]
非 用
25

26. [ ]
26

27. [ 日 ]
27