spomalene reakcie systemu

[Ladislav Kostal]

> Nieje ta masina pod DDoS? Co povie iostat?

# iostat 1
      tty           aacd0            aacd1            aacd2             cpu
 tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
   3 1801  0.00   0  0.00   0.00   0  0.00   0.00   0  0.00   2  0  4  0 94
   0   38  0.00   0  0.00   0.00   0  0.00   0.00   0  0.00   0  0  0  0100
   0   38 10.00  14  0.14  16.00  18  0.28   0.00   0  0.00   3  0  4  0 92
   2   40  0.00   0  0.00   0.00   0  0.00   9.00   6  0.05   1  0  1  0 98
   0   56  0.00   0  0.00   0.00   0  0.00   0.00   0  0.00   2  0  2  0 96
   2   41 16.00  44  0.69   0.00   0  0.00   0.00   0  0.00   0  0  0  0100
   4   45 10.00   7  0.07  16.00  15  0.23   0.00   0  0.00   2  0  2  0 96
   5   58  0.00   0  0.00   0.00   0  0.00  16.00   2  0.03   2  0  3  0 95
   6   50  0.00   0  0.00   0.00   0  0.00   0.00   0  0.00   0  0  2  0 98
   4   44  0.00   0  0.00   0.00   0  0.00   0.00   0  0.00   2  0  0  0 98

# vmstat 1
 procs      memory      page                    disks     faults      cpu
 r b w     avm    fre  flt  re  pi  po  fr  sr aa0 md0   in   sy  cs us sy
id
 1 0 0  179996 1405684  510   1   1   0 365   0   0   0 1343 6394 410  2  4
94
 0 0 0  179996 1405684    4   0   0   0   0   0   0   0 1154  312  23  0  0
100
 0 0 0  165860 1405424   85   0   0   0   0   0   0   0 1145  619  28  0  1
99
 0 0 0  165860 1405424    4   0   0   0   4   0   0   0 1152   35  17  0  0
100
 0 0 0  165860 1405424    3   0   0   0   0   0   0   0 1149   74  20  0  0
100
 0 0 0  162560 1405424    9   0   0   0   0   0   1   0 1153   57  20  0  0
100
 0 0 0  178464 1404640  453   0   1   0   1   0   0   0 1149  567  50  0  1
99
 0 0 0  180756 1404488  774   0   0   0 211   0   0   0 1165 1920  86  2  3
94
 0 0 0  182648 1404492    3   0   0   0   1   0   0   0 1137   46  12  0  0
100
 0 0 0  182664 1404492    3   0   0   0   0   0   0   0 1142  262  15  0  0
100

# netstat 1
            input        (Total)           output
   packets  errs      bytes    packets  errs      bytes colls
        19     0       6439         18     0       8458     0
        52     0       2531         43     0       4522     0
        23     0       1995         18     0       5339     0
        28     0       5136         14     0       7438     0
        31     0       1170         27     0       4602     0
        31     0       1923         26     0       5044     0
        12     0       2305         11     0       4665     0
        31     0       5568         14     0       7595     0
        52     0      13625         41     0       9558     0
        44     0       1624         28     0       5102     0


Ladislav Kostal