[SunHELP] help for our server running slow!

Ahmed Afrose sunhelp at sunhelp.org
Thu Nov 8 09:45:57 CST 2001


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Raj,

At first glance, looks like you might have a memory bottleneck..with a high scan
rate value. Could you also send output of mpstat command together with "iostat
-xn" and vmstat all taken at the approx. the same time.
Might be able to get an idea, also what kind of software/appication is running
on this server, what is the Sun Server model? What is the server used for?

Regards..
//


shivraj yadav wrote:

> Hi  pals..
>
> I have a server here which is running just toooooo slow .. when i telnet to
> that server, getting the login prompt also takes a couple of minutes.. Being
> a newbie i just dont know where to start.. the prelimnary checking tho'
> shows a satisfactory result... which are as follows ..
>
> # df -k
> Filesystem            kbytes    used   avail capacity  Mounted on
> /dev/dsk/c1t0d0s0    3114719 2769063  283362    91%    /
> /proc                      0       0       0     0%    /proc
> fd                         0       0       0     0%    /dev/fd
> mnttab                     0       0       0     0%    /etc/mnttab
> /dev/dsk/c1t1d0s5    2052991  846857 1144545    43%    /var
> swap                  385800       0  385800     0%    /var/run
> swap                  386272     472  385800     1%    /tmp
> /dev/dsk/c1t0d0s7     482023      90  433731     1%    /export/home
>
> skynyrd# vmstat 1 40
> procs     memory            page            disk      faults     cpu
> r b w   swap  free  re  mf pi po fr de sr s0 s1 s2 s3   in   sy   cs us sy
> id
> 0 2 0 522768 62248   2  23 144 54 154 848 266 19 0 0 0 427   26   78  0  0
> 100
> 0 13 0 398704 2488  18 171 1264 298 1152 368 2411 95 4 0 0 550 52 308 1  1
> 98
> 0 13 0 398576 1672   5 141 712 0 112 208 141 102 0 0 0 523  256  292  3  0
> 97
> 0 15 0 399856 2168   5 125 896 24 136 48 194 102 6 0 0 528   90  325  0  1
> 99
> 0 18 0 399856 1656  10 129 808 320 1072 0 1889 108 0 0 0 529 32  291  1  1
> 98
> 0 18 0 398512  960   7 344 816 560 1504 0 4712 100 1 0 0 516 185 343  1  6
> 92
> 0 18 0 398504 1552  25 137 840 184 976 0 2167 106 3 0 0 522  76  286  2  1
> 97
> 0 19 0 398504 1448  23 212 808 344 640 0 580 102 0 0 0 524   69  319  1  3
> 96
> 0 17 0 399640 1672  35 328 896 256 1432 0 4782 109 0 0 0 526 462 379  1  6
> 93
> 0 16 0 398912 1144  15 211 896 536 960 0 1604 85 4 0 0 502  422  277  1  2
> 97
> 0 16 0 398792 1328  24 159 1048 384 1360 0 2282 101 0 0 0 522 82 292  1  3
> 96
> 0 15 0 398632 1648  12 140 792 392 1248 0 2815 96 3 0 0 514 280  312  2  1
> 97
>
> skynyrd# iostat 1 10
>    tty        sd0           sd1           sd2           sd3     cpu
> tin tout kps tps serv  kps tps serv  kps tps serv  kps tps serv   us sy wt
> id
>    0    0 198  19  126    2   0   17    0   0    0    0   0    0    0  0 20
> 80
>    0  234 1168  89  153    8   1   21    0   0    0    0   0    0    1  3 96
>   0
>    0  105 1320 102  126    0   0    0    0   0    0    0   0    0    1  0 98
>   0
>    0   81 1063 105  120   24   3   14    0   0    0    0   0    0    2  2 96
>   0
>    0   81 1280 100  125    0   0    0    0   0    0    0   0    0    1  1 98
>   0
>    2   81 1224 108  114    0   0    0    0   0    0    0   0    0    2  1 98
>   0
>    3   81 1235  85  159    0   0    0    0   0    0    0   0    0    2  2 96
>   0
>    0   91 1209 107  153   24   3   19    0   0    0    0   0    0    5  2 92
>   0
>
> can anyone please help out regarding where the problem might lie ??
>
> Your help in this matter would be highly appreciated...
>
> Thanks in advance.....
>
> RAJ
>
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