|
|
META TOPICPARENT |
name="StorageImplementation" |
| | ;;;;; ;;;;;* Set ALLOWTOPICVIEW = TWikiAdminGroup,Main.DongJinLee,Main.MichaelOSullivan,Main.CameronWalker
--> | |
> > | %COUNTER_PLUGIN% | | Kclient version (default Kernel) and Ceph version
- kernel 2.6.36-02063601-generic (23-Nov-2010)
- ceph version 0.23.2 (commit:5bdae2af8c53adb2e059022c58813e97e7a7ba5d)
|
|
META TOPICPARENT |
name="StorageImplementation" |
| | osd journal = /data/osd5/journal
| |
< < |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="" comment="" date="1296688651" name="ddplot.pdf" path="ddplot.pdf" size="89461" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="3" |
META FILEATTACHMENT |
attachment="fioplot.pdf" attr="" comment="" date="1294813304" name="fioplot.pdf" path="fioplot.pdf" size="172292" stream="fioplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ceph-start_ver.20-jan_unstable" attr="" comment="" date="1296604323" name="ceph-start_ver.20-jan_unstable" path="ceph-start [ver.20-jan unstable]" size="13180" stream="ceph-start [ver.20-jan unstable]" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ceph-w_ver._20-jan_unstable" attr="" comment="" date="1296604333" name="ceph-w_ver._20-jan_unstable" path="ceph-w [ver. 20-jan unstable]" size="23063" stream="ceph-w [ver. 20-jan unstable]" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ddplot11.pdf" attr="" comment="" date="1296688919" name="ddplot11.pdf" path="ddplot11.pdf" size="89461" stream="ddplot11.pdf" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ddplot111.pdf" attr="" comment="" date="1296690121" name="ddplot111.pdf" path="ddplot111.pdf" size="57133" stream="ddplot111.pdf" tmpFilename="" user="DongJinLee" version="1" |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| | | |
< < |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="h" comment="" date="1296688568" name="ddplot.pdf" path="ddplot.pdf" size="89461" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="3" |
| > > |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="" comment="" date="1296688651" name="ddplot.pdf" path="ddplot.pdf" size="89461" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="3" |
| |
META FILEATTACHMENT |
attachment="fioplot.pdf" attr="" comment="" date="1294813304" name="fioplot.pdf" path="fioplot.pdf" size="172292" stream="fioplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ceph-start_ver.20-jan_unstable" attr="" comment="" date="1296604323" name="ceph-start_ver.20-jan_unstable" path="ceph-start [ver.20-jan unstable]" size="13180" stream="ceph-start [ver.20-jan unstable]" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ceph-w_ver._20-jan_unstable" attr="" comment="" date="1296604333" name="ceph-w_ver._20-jan_unstable" path="ceph-w [ver. 20-jan unstable]" size="23063" stream="ceph-w [ver. 20-jan unstable]" tmpFilename="" user="DongJinLee" version="1" |
| |
> > |
META FILEATTACHMENT |
attachment="ddplot11.pdf" attr="" comment="" date="1296688919" name="ddplot11.pdf" path="ddplot11.pdf" size="89461" stream="ddplot11.pdf" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ddplot111.pdf" attr="" comment="" date="1296690121" name="ddplot111.pdf" path="ddplot111.pdf" size="57133" stream="ddplot111.pdf" tmpFilename="" user="DongJinLee" version="1" |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| | | |
< < |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="" comment="" date="1294877700" name="ddplot.pdf" path="ddplot.pdf" size="137216" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="2" |
| > > |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="h" comment="" date="1296688568" name="ddplot.pdf" path="ddplot.pdf" size="89461" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="3" |
| |
META FILEATTACHMENT |
attachment="fioplot.pdf" attr="" comment="" date="1294813304" name="fioplot.pdf" path="fioplot.pdf" size="172292" stream="fioplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ceph-start_ver.20-jan_unstable" attr="" comment="" date="1296604323" name="ceph-start_ver.20-jan_unstable" path="ceph-start [ver.20-jan unstable]" size="13180" stream="ceph-start [ver.20-jan unstable]" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ceph-w_ver._20-jan_unstable" attr="" comment="" date="1296604333" name="ceph-w_ver._20-jan_unstable" path="ceph-w [ver. 20-jan unstable]" size="23063" stream="ceph-w [ver. 20-jan unstable]" tmpFilename="" user="DongJinLee" version="1" |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="" comment="" date="1294877700" name="ddplot.pdf" path="ddplot.pdf" size="137216" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="2" |
META FILEATTACHMENT |
attachment="fioplot.pdf" attr="" comment="" date="1294813304" name="fioplot.pdf" path="fioplot.pdf" size="172292" stream="fioplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
| |
> > |
META FILEATTACHMENT |
attachment="ceph-start_ver.20-jan_unstable" attr="" comment="" date="1296604323" name="ceph-start_ver.20-jan_unstable" path="ceph-start [ver.20-jan unstable]" size="13180" stream="ceph-start [ver.20-jan unstable]" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="ceph-w_ver._20-jan_unstable" attr="" comment="" date="1296604333" name="ceph-w_ver._20-jan_unstable" path="ceph-w [ver. 20-jan unstable]" size="23063" stream="ceph-w [ver. 20-jan unstable]" tmpFilename="" user="DongJinLee" version="1" |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| | | |
< < | | | | |
< < | | |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="" comment="" date="1294877700" name="ddplot.pdf" path="ddplot.pdf" size="137216" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="2" |
META FILEATTACHMENT |
attachment="fioplot.pdf" attr="" comment="" date="1294813304" name="fioplot.pdf" path="fioplot.pdf" size="172292" stream="fioplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| | | |
< < |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="" comment="" date="1294813284" name="ddplot.pdf" path="ddplot.pdf" size="137008" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
| > > |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="" comment="" date="1294877700" name="ddplot.pdf" path="ddplot.pdf" size="137216" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="2" |
| |
META FILEATTACHMENT |
attachment="fioplot.pdf" attr="" comment="" date="1294813304" name="fioplot.pdf" path="fioplot.pdf" size="172292" stream="fioplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| |
| |
> > |
| |
- 1xMON/MDS + 1xOSD NODE (1 OSD, 3 OSDs, 6 OSDs) + CLIENT
e.g., |
|
META TOPICPARENT |
name="StorageImplementation" |
| |
- 1 OSD NODE
- 1 OSD NODE
- 1 CLIENT
| |
< < |
- 1xMON/MDS + 1xOSD NODE (1 OSD, 3 OSDs, 6 OSDs) + CLIENT
| | | |
> > |
- 1xMON/MDS + 1xOSD NODE (1 OSD, 3 OSDs, 6 OSDs) + CLIENT
| | e.g.,
[osd] | | host = ss1
| |
< < |
- 1xMON/MDS + 2xOSD NODEs (1+1 OSDs, 2+2 OSDs, 3+3 OSDs) + CLIENT
| > > |
- 1xMON/MDS + 2xOSD NODEs (1+1 OSDs, 2+2 OSDs, 3+3 OSDs) + CLIENT
| | e.g.,
[osd] |
|
META TOPICPARENT |
name="StorageImplementation" |
| |
- 1xMON/MDS + 1xOSD NODE (1 OSD, 3 OSDs, 6 OSDs) + CLIENT
e.g., | |
< < | [osd]
| > > |
[osd] | | osd journal = /data/osd$id/journal
osd journal size = 10000
filestore journal writeahead = true | |
< < | ; filestore journal parallel = true | | osd data = /data/osd$id
; debug ms = 1 ; message traffic
; debug osd = 20 | | host = ss1
[osd5]
host = ss1 | |
> > | | | | |
< < | | |
- 1xMON/MDS + 2xOSD NODEs (1+1 OSDs, 2+2 OSDs, 3+3 OSDs) + CLIENT
| |
< < |
e.g.,
[osd0] host = ss1 osd data = /data/osd0 osd journal = /data/osd0/journal [osd1] host = ss1 osd data = /data/osd1 osd journal = /data/osd1/journal [osd2] host = ss1 osd data = /data/osd2 osd journal = /data/osd2/journal [osd3] host = ss2 osd data = /data/osd3 osd journal = /data/osd3/journal [osd4] host = ss2 osd data = /data/osd4 osd journal = /data/osd4/journal [osd5] host = ss2 osd data = /data/osd5 osd journal = /data/osd5/journal
<--
;;;;; ;;;;;* Set ALLOWTOPICVIEW = TWikiAdminGroup,Main.DongJinLee,Main.MichaelOSullivan,Main.CameronWalker
-->
Kclient version (default Kernel) and Ceph version
- kernel 2.6.36-02063601-generic (23-Nov-2010)
- ceph version 0.23.2 (commit:5bdae2af8c53adb2e059022c58813e97e7a7ba5d)
Test configuration
- 1 MON/MDS
- 1 OSD NODE
- 1 OSD NODE
- 1 CLIENT
- 1xMON/MDS + 1xOSD NODE (1 OSD, 3 OSDs, 6 OSDs) + CLIENT
| | e.g., | |
< < |
- 1xMON/MDS + 2xOSD NODEs (1+1 OSDs, 2+2 OSDs, 3+3 OSDs) + CLIENT
| > > |
[osd]
osd journal size = 10000
filestore journal writeahead = true
; filestore journal parallel = true
; debug ms = 1 ; message traffic
; debug osd = 20
; debug filestore = 20 ; local object storage
; debug journal = 20 ; local journaling
; debug monc = 20 ; monitor interaction, startup
[osd0]
host = ss1
osd data = /data/osd0
osd journal = /data/osd0/journal
[osd1]
host = ss1
osd data = /data/osd1
osd journal = /data/osd1/journal
[osd2]
host = ss1
osd data = /data/osd2
osd journal = /data/osd2/journal
[osd3]
host = ss2
osd data = /data/osd3
osd journal = /data/osd3/journal
[osd4]
host = ss2
osd data = /data/osd4
osd journal = /data/osd4/journal
[osd5]
host = ss2
osd data = /data/osd5
osd journal = /data/osd5/journal
| |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| |
- 1xMON/MDS + 1xOSD NODE (1 OSD, 3 OSDs, 6 OSDs) + CLIENT
| |
> > |
e.g.,
[osd]
osd journal = /data/osd$id/journal
osd journal size = 10000
filestore journal writeahead = true
; filestore journal parallel = true
osd data = /data/osd$id
; debug ms = 1 ; message traffic
; debug osd = 20
; debug filestore = 20 ; local object storage
; debug journal = 20 ; local journaling
; debug monc = 20 ; monitor interaction, startup
[osd0]
host = ss1
[osd1]
host = ss1
[osd2]
host = ss1
[osd3]
host = ss1
[osd4]
host = ss1
[osd5]
host = ss1
- 1xMON/MDS + 2xOSD NODEs (1+1 OSDs, 2+2 OSDs, 3+3 OSDs) + CLIENT
e.g.,
[osd0] host = ss1 osd data = /data/osd0 osd journal = /data/osd0/journal [osd1] host = ss1 osd data = /data/osd1 osd journal = /data/osd1/journal [osd2] host = ss1 osd data = /data/osd2 osd journal = /data/osd2/journal [osd3] host = ss2 osd data = /data/osd3 osd journal = /data/osd3/journal [osd4] host = ss2 osd data = /data/osd4 osd journal = /data/osd4/journal [osd5] host = ss2 osd data = /data/osd5 osd journal = /data/osd5/journal
<--
;;;;; ;;;;;* Set ALLOWTOPICVIEW = TWikiAdminGroup,Main.DongJinLee,Main.MichaelOSullivan,Main.CameronWalker
-->
Kclient version (default Kernel) and Ceph version
- kernel 2.6.36-02063601-generic (23-Nov-2010)
- ceph version 0.23.2 (commit:5bdae2af8c53adb2e059022c58813e97e7a7ba5d)
Test configuration
- 1 MON/MDS
- 1 OSD NODE
- 1 OSD NODE
- 1 CLIENT
- 1xMON/MDS + 1xOSD NODE (1 OSD, 3 OSDs, 6 OSDs) + CLIENT
e.g.,
| |
- 1xMON/MDS + 2xOSD NODEs (1+1 OSDs, 2+2 OSDs, 3+3 OSDs) + CLIENT
| |
> > | | |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| | ;;;;; ;;;;;* Set ALLOWTOPICVIEW = TWikiAdminGroup,Main.DongJinLee,Main.MichaelOSullivan,Main.CameronWalker
--> | |
< < | 1 MON/MDS
1 OSD NODE
1 OSD NODE
1 CLIENT | > > | Kclient version (default Kernel) and Ceph version
- kernel 2.6.36-02063601-generic (23-Nov-2010)
- ceph version 0.23.2 (commit:5bdae2af8c53adb2e059022c58813e97e7a7ba5d)
Test configuration
- 1 MON/MDS
- 1 OSD NODE
- 1 OSD NODE
- 1 CLIENT
- 1xMON/MDS + 1xOSD NODE (1 OSD, 3 OSDs, 6 OSDs) + CLIENT
- 1xMON/MDS + 2xOSD NODEs (1+1 OSDs, 2+2 OSDs, 3+3 OSDs) + CLIENT
| |
|
|
META TOPICPARENT |
name="StorageImplementation" |
| | ;;;;; ;;;;;* Set ALLOWTOPICVIEW = TWikiAdminGroup,Main.DongJinLee,Main.MichaelOSullivan,Main.CameronWalker
--> | |
< < | Brief testing with fio benchmark | > > | 1 MON/MDS
1 OSD NODE
1 OSD NODE
1 CLIENT | | | |
< < | [global]
bs=4k
ioengine=libaio
iodepth=1
size=2g
direct=1
runtime=10
directory=/media/ceph
| > > | | | | |
< < |
[rand-read]
rw=randread
stonewall
[rand-write]
rw=randwrite
stonewall
[seq-read]
rw=read
stonewall
[seq-write]
rw=write
stonewall
dlee064@ubuntu-dlee064:~/Dropbox/code/spc1/run$ sudo ./fio fioceph rand-read: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 rand-write: (g=1): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 seq-read: (g=2): rw=read, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 seq-write: (g=3): rw=write, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 Starting 4 processes seq-write: Laying out IO file(s) (1 file(s) / 2048MB) Jobs: 1 (f=1): [___W] [57.7% done] [0K/36K /s] [0/9 iops] [eta 00m:30s] rand-read: (groupid=0, jobs=1): err= 0: pid=7327 read : io=2228KB, bw=226561B/s, iops=55, runt= 10070msec slat (usec): min=334, max=6417K, avg=18076.68, stdev=273238.04 clat (usec): min=0, max=7, avg= 0.48, stdev= 0.59 bw (KB/s) : min= 0, max= 1776, per=274.21%, avg=606.00, stdev=769.73 cpu : usr=0.00%, sys=0.00%, ctx=558, majf=0, minf=25 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=557/0, short=0/0 lat (usec): 2=98.56%, 4=1.26%, 10=0.18%
rand-write: (groupid=1, jobs=1): err= 0: pid=7329 write: io=315392B, bw=31180B/s, iops=7, runt= 10115msec slat (msec): min=84, max=1324, avg=131.35, stdev=144.25 clat (usec): min=0, max=7, avg= 1.19, stdev= 0.86 bw (KB/s) : min= 9, max= 40, per=108.54%, avg=32.56, stdev= 9.14 cpu : usr=0.00%, sys=0.00%, ctx=79, 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=0/77, short=0/0 lat (usec): 2=77.92%, 4=20.78%, 10=1.30%
seq-read: (groupid=2, jobs=1): err= 0: pid=7330 read : io=110676KB, bw=11066KB/s, iops=2766, runt= 10001msec slat (usec): min=292, max=39473, avg=359.95, stdev=289.00 clat (usec): min=0, max=32, avg= 0.45, stdev= 0.60 bw (KB/s) : min= 9984, max=11368, per=100.37%, avg=11107.37, stdev=296.59 cpu : usr=0.50%, sys=1.30%, ctx=35966, majf=0, minf=27 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=27669/0, short=0/0 lat (usec): 2=99.95%, 4=0.03%, 10=0.01%, 20=0.01%, 50=0.01%
seq-write: (groupid=3, jobs=1): err= 0: pid=7335 write: io=303104B, bw=30090B/s, iops=7, runt= 10073msec slat (msec): min=91, max=946, avg=136.11, stdev=110.69 clat (usec): min=0, max=6, avg= 1.32, stdev= 0.89 bw (KB/s) : min= 11, max= 39, per=106.68%, avg=30.94, stdev= 7.40 cpu : usr=0.00%, sys=0.00%, ctx=85, majf=0, minf=27 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=0/74, short=0/0 lat (usec): 2=60.81%, 4=37.84%, 10=1.35%
Run status group 0 (all jobs): READ: io=2228KB, aggrb=221KB/s, minb=226KB/s, maxb=226KB/s, mint=10070msec, maxt=10070msec
Run status group 1 (all jobs): WRITE: io=308KB, aggrb=30KB/s, minb=31KB/s, maxb=31KB/s, mint=10115msec, maxt=10115msec
Run status group 2 (all jobs): READ: io=110676KB, aggrb=11066KB/s, minb=11332KB/s, maxb=11332KB/s, mint=10001msec, maxt=10001msec
Run status group 3 (all jobs): WRITE: io=296KB, aggrb=29KB/s, minb=30KB/s, maxb=30KB/s, mint=10073msec, maxt=10073msec
Generally, both the seq / random write operations appears to be very poor.
-- DongJinLee - 16 Sep 2010 | | \ No newline at end of file | |
> > |
META FILEATTACHMENT |
attachment="ddplot.pdf" attr="" comment="" date="1294813284" name="ddplot.pdf" path="ddplot.pdf" size="137008" stream="ddplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
META FILEATTACHMENT |
attachment="fioplot.pdf" attr="" comment="" date="1294813304" name="fioplot.pdf" path="fioplot.pdf" size="172292" stream="fioplot.pdf" tmpFilename="" user="DongJinLee" version="1" |
|
|
META TOPICPARENT |
name="StorageImplementation" |
|
|
META TOPICPARENT |
name="StorageImplementation" |
Brief testing with fio benchmark |
|
META TOPICPARENT |
name="StorageImplementation" |
| |
< < | | > > |
<--
-
- Set ALLOWTOPICVIEW = TWikiAdminGroup,Main.DongJinLee,Main.MichaelOSullivan,Main.CameronWalker
--> | |
Brief testing with fio benchmark |
|
META TOPICPARENT |
name="StorageImplementation" |
| |
> > | | | Brief testing with fio benchmark
[global]
|
|
META TOPICPARENT |
name="StorageImplementation" |
Brief testing with fio benchmark | |
[seq-write]
rw=write | |
< < | stonewall
| > > | stonewall | |
dlee064@ubuntu-dlee064:~/Dropbox/code/spc1/run$ sudo ./fio fioceph rand-read: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 rand-write: (g=1): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 seq-read: (g=2): rw=read, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 seq-write: (g=3): rw=write, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 Starting 4 processes seq-write: Laying out IO file(s) (1 file(s) / 2048MB) Jobs: 1 (f=1): [___W] [57.7% done] [0K/36K /s] [0/9 iops] [eta 00m:30s] rand-read: (groupid=0, jobs=1): err= 0: pid=7327 read : io=2228KB, bw=226561B/s, iops=55, runt= 10070msec slat (usec): min=334, max=6417K, avg=18076.68, stdev=273238.04 clat (usec): min=0, max=7, avg= 0.48, stdev= 0.59 bw (KB/s) : min= 0, max= 1776, per=274.21%, avg=606.00, stdev=769.73 cpu : usr=0.00%, sys=0.00%, ctx=558, majf=0, minf=25 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=557/0, short=0/0 lat (usec): 2=98.56%, 4=1.26%, 10=0.18%
rand-write: (groupid=1, jobs=1): err= 0: pid=7329 write: io=315392B, bw=31180B/s, iops=7, runt= 10115msec slat (msec): min=84, max=1324, avg=131.35, stdev=144.25 clat (usec): min=0, max=7, avg= 1.19, stdev= 0.86 bw (KB/s) : min= 9, max= 40, per=108.54%, avg=32.56, stdev= 9.14 cpu : usr=0.00%, sys=0.00%, ctx=79, 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=0/77, short=0/0 lat (usec): 2=77.92%, 4=20.78%, 10=1.30%
seq-read: (groupid=2, jobs=1): err= 0: pid=7330 read : io=110676KB, bw=11066KB/s, iops=2766, runt= 10001msec slat (usec): min=292, max=39473, avg=359.95, stdev=289.00 clat (usec): min=0, max=32, avg= 0.45, stdev= 0.60 bw (KB/s) : min= 9984, max=11368, per=100.37%, avg=11107.37, stdev=296.59 cpu : usr=0.50%, sys=1.30%, ctx=35966, majf=0, minf=27 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=27669/0, short=0/0 lat (usec): 2=99.95%, 4=0.03%, 10=0.01%, 20=0.01%, 50=0.01%
seq-write: (groupid=3, jobs=1): err= 0: pid=7335 write: io=303104B, bw=30090B/s, iops=7, runt= 10073msec slat (msec): min=91, max=946, avg=136.11, stdev=110.69 clat (usec): min=0, max=6, avg= 1.32, stdev= 0.89 bw (KB/s) : min= 11, max= 39, per=106.68%, avg=30.94, stdev= 7.40 cpu : usr=0.00%, sys=0.00%, ctx=85, majf=0, minf=27 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=0/74, short=0/0 lat (usec): 2=60.81%, 4=37.84%, 10=1.35%
Run status group 0 (all jobs): READ: io=2228KB, aggrb=221KB/s, minb=226KB/s, maxb=226KB/s, mint=10070msec, maxt=10070msec
Run status group 1 (all jobs): WRITE: io=308KB, aggrb=30KB/s, minb=31KB/s, maxb=31KB/s, mint=10115msec, maxt=10115msec
Run status group 2 (all jobs): READ: io=110676KB, aggrb=11066KB/s, minb=11332KB/s, maxb=11332KB/s, mint=10001msec, maxt=10001msec
Run status group 3 (all jobs): WRITE: io=296KB, aggrb=29KB/s, minb=30KB/s, maxb=30KB/s, mint=10073msec, maxt=10073msec | |
> > | Generally, both the seq / random write operations appears to be very poor. | | -- DongJinLee - 16 Sep 2010
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> > |
META TOPICPARENT |
name="StorageImplementation" |
Brief testing with fio benchmark
[global]
bs=4k
ioengine=libaio
iodepth=1
size=2g
direct=1
runtime=10
directory=/media/ceph
[rand-read]
rw=randread
stonewall
[rand-write]
rw=randwrite
stonewall
[seq-read]
rw=read
stonewall
[seq-write]
rw=write
stonewall
dlee064@ubuntu-dlee064:~/Dropbox/code/spc1/run$ sudo ./fio fioceph rand-read: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 rand-write: (g=1): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 seq-read: (g=2): rw=read, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 seq-write: (g=3): rw=write, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=1 Starting 4 processes seq-write: Laying out IO file(s) (1 file(s) / 2048MB) Jobs: 1 (f=1): [___W] [57.7% done] [0K/36K /s] [0/9 iops] [eta 00m:30s] rand-read: (groupid=0, jobs=1): err= 0: pid=7327 read : io=2228KB, bw=226561B/s, iops=55, runt= 10070msec slat (usec): min=334, max=6417K, avg=18076.68, stdev=273238.04 clat (usec): min=0, max=7, avg= 0.48, stdev= 0.59 bw (KB/s) : min= 0, max= 1776, per=274.21%, avg=606.00, stdev=769.73 cpu : usr=0.00%, sys=0.00%, ctx=558, majf=0, minf=25 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=557/0, short=0/0 lat (usec): 2=98.56%, 4=1.26%, 10=0.18%
rand-write: (groupid=1, jobs=1): err= 0: pid=7329 write: io=315392B, bw=31180B/s, iops=7, runt= 10115msec slat (msec): min=84, max=1324, avg=131.35, stdev=144.25 clat (usec): min=0, max=7, avg= 1.19, stdev= 0.86 bw (KB/s) : min= 9, max= 40, per=108.54%, avg=32.56, stdev= 9.14 cpu : usr=0.00%, sys=0.00%, ctx=79, 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=0/77, short=0/0 lat (usec): 2=77.92%, 4=20.78%, 10=1.30%
seq-read: (groupid=2, jobs=1): err= 0: pid=7330 read : io=110676KB, bw=11066KB/s, iops=2766, runt= 10001msec slat (usec): min=292, max=39473, avg=359.95, stdev=289.00 clat (usec): min=0, max=32, avg= 0.45, stdev= 0.60 bw (KB/s) : min= 9984, max=11368, per=100.37%, avg=11107.37, stdev=296.59 cpu : usr=0.50%, sys=1.30%, ctx=35966, majf=0, minf=27 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=27669/0, short=0/0 lat (usec): 2=99.95%, 4=0.03%, 10=0.01%, 20=0.01%, 50=0.01%
seq-write: (groupid=3, jobs=1): err= 0: pid=7335 write: io=303104B, bw=30090B/s, iops=7, runt= 10073msec slat (msec): min=91, max=946, avg=136.11, stdev=110.69 clat (usec): min=0, max=6, avg= 1.32, stdev= 0.89 bw (KB/s) : min= 11, max= 39, per=106.68%, avg=30.94, stdev= 7.40 cpu : usr=0.00%, sys=0.00%, ctx=85, majf=0, minf=27 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=0/74, short=0/0 lat (usec): 2=60.81%, 4=37.84%, 10=1.35%
Run status group 0 (all jobs): READ: io=2228KB, aggrb=221KB/s, minb=226KB/s, maxb=226KB/s, mint=10070msec, maxt=10070msec
Run status group 1 (all jobs): WRITE: io=308KB, aggrb=30KB/s, minb=31KB/s, maxb=31KB/s, mint=10115msec, maxt=10115msec
Run status group 2 (all jobs): READ: io=110676KB, aggrb=11066KB/s, minb=11332KB/s, maxb=11332KB/s, mint=10001msec, maxt=10001msec
Run status group 3 (all jobs): WRITE: io=296KB, aggrb=29KB/s, minb=30KB/s, maxb=30KB/s, mint=10073msec, maxt=10073msec
-- DongJinLee - 16 Sep 2010 |
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