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Full Discussion: Network writes contantly spiking in throughput
Operating Systems Solaris Network writes contantly spiking in throughput Post 302378559 by silicoon on Tuesday 8th of December 2009 06:59:46 AM
Old 12-08-2009
Cheers guys - im looking into the other posts but here are the iostats etc

Code:
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.1    0.0    0.6    0.3  0.0  0.0   11.8   0   0    0    0   0  1  0 99
sd1       1.1    2.2   65.1  134.6  0.4  0.0  112.3   1   1
sd2       1.1    2.2   65.1  134.6  0.3  0.0  108.0   1   1
sd3       1.1    2.2   65.1  134.6  0.3  0.0   99.3   1   1
sd4       1.1    2.2   65.1  134.6  0.3  0.0   96.5   1   1
sd5       1.1    2.2   65.1  134.6  0.4  0.0  114.9   1   1
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0    0  617   3 12  0 85
sd1       0.0  184.3    0.0 9849.2 18.3  0.6  102.4  58  58
sd2       0.0  170.9    0.0 8396.1 15.6  0.5   94.5  50  50
sd3       0.0  132.8    0.0 6108.0 11.1  0.4   86.5  38  38
sd4       0.0  123.5    0.0 5579.4  9.4  0.4   78.6  35  35
sd5       0.0  179.1    0.0 9499.7 17.7  0.6  101.8  57  58
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0    0  623   7 29  0 64
sd1       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd2       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd3       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd4       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd5       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    2.0    0.0   28.0  0.0  0.0    0.4   0   0    0  620   4 30  0 66
sd1       0.0   53.0    0.0 3607.8  6.7  0.3  131.8  26  26
sd2       0.0   59.0    0.0 3906.8  7.1  0.3  124.0  26  26
sd3       0.0   69.0    0.0 4255.8  7.6  0.3  114.5  26  26
sd4       0.0   64.0    0.0 4250.8  7.2  0.3  116.4  26  26
sd5       0.0   59.0    0.0 3571.8  7.4  0.3  129.5  26  26
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0    0  623   0  6  0 94
sd1       0.0  191.0    0.0 13612.1 34.0  1.0  183.1 100 100
sd2       0.0  206.0    0.0 14725.2 34.0  1.0  169.8 100 100
sd3       0.0  230.0    0.0 16393.9 34.0  1.0  152.1 100 100
sd4       0.0  229.0    0.0 16351.4 34.0  1.0  152.7 100 100
sd5       0.0  194.0    0.0 13869.1 34.0  1.0  180.3 100 100
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0    0  625   2  8  0 90
sd1       0.0  219.0    0.0 12037.3 23.8  0.7  112.0  74  74
sd2       0.0  206.0    0.0 10624.7 21.3  0.7  106.5  66  66
sd3       0.0  163.0    0.0 8611.5 16.2  0.5  102.7  54  55
sd4       0.0  163.0    0.0 8664.0 16.0  0.5  101.7  53  53
sd5       0.0  205.0    0.0 11820.7 23.3  0.7  117.5  74  74
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0    0  623   7 29  0 64
sd1       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd2       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd3       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd4       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd5       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0    0  617   5 33  0 62
sd1       0.0   39.0    0.0 2158.8  3.8  0.2  100.8  15  15
sd2       0.0   39.0    0.0 2288.8  3.7  0.2   99.6  15  15
sd3       0.0   38.0    0.0 2581.3  3.4  0.2   92.3  15  15
sd4       0.0   42.0    0.0 2331.8  3.9  0.2   96.6  15  15
sd5       0.0   38.0    0.0 2073.8  3.7  0.2  102.7  15  15
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0    0  620   0  6  0 94
sd1       0.0  193.0    0.0 13781.0 34.0  1.0  181.3 100 100
sd2       0.0  208.0    0.0 14853.0 34.0  1.0  168.2 100 100
sd3       0.0  230.0    0.0 16393.9 34.0  1.0  152.1 100 100
sd4       0.0  226.0    0.0 16093.9 34.0  1.0  154.8 100 100
sd5       0.0  196.0    0.0 13997.5 34.0  1.0  178.5 100 100
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
cmdk0     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0    0  625   2  8  0 90
sd1       0.0  225.0    0.0 13319.0 27.0  0.8  123.9  84  84
sd2       0.0  212.0    0.0 12122.2 24.5  0.8  119.1  77  77
sd3       0.0  183.0    0.0 10291.8 19.5  0.6  110.0  64  64
sd4       0.0  191.0    0.0 10832.4 20.4  0.7  110.2  67  67
sd5       0.0  229.1    0.0 13188.4 27.0  0.8  121.4  85  85
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0


               capacity     operations    bandwidth
pool         used  avail   read  write   read  write
----------  -----  -----  -----  -----  -----  -----
cifs        2.50T  2.05T      2      3   323K   408K
cifs        2.50T  2.05T      0    318      0  39.8M
cifs        2.50T  2.05T      1    374   1014  36.9M
cifs        2.50T  2.05T      0      0      0      0
cifs        2.50T  2.05T      0      8      0   535K
cifs        2.50T  2.05T      0    318      0  39.9M
cifs        2.50T  2.05T      0    432      0  44.2M
cifs        2.50T  2.05T      0      0      0      0
cifs        2.50T  2.05T      0     71      0  8.08M
cifs        2.50T  2.05T      0    320      0  40.1M

as you can see the through put hits around 40MB/s and then goes back down... wait times hit 100% :S seems like its hitting a cache wall or something :S not too familure with solaris but i work with Netapps and its basically the same filesystem... difference is obviously a decent amount of cache infront of the disk :P
Last edited by silicoon; 12-08-2009 at 08:17 AM..
 

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