[CentOS] load level?

Fri Apr 25 17:46:22 UTC 2008
Kevin Faulkner <kevlar.kernel at gmail.com>

Perhaps you could run iotop find out if there is a process chewing up 
your hard disks. You aren't just limited to top, you can  also use 
vmstat and iostat in this situation.

Jason Pyeron wrote:
> I have a server holding a 2.5-4.0 load level consistently, where should I
> start debugging it?
> 
> top - 13:32:01 up 167 days,  5:45,  6 users,  load average: 2.87, 1.83, 1.51
> Tasks: 111 total,   1 running, 110 sleeping,   0 stopped,   0 zombie
> Cpu(s):  0.0% us,  0.0% sy,  0.2% ni, 99.8% id,  0.0% wa,  0.0% hi,  0.0% si
> Mem:    895728k total,   871996k used,    23732k free,   190612k buffers
> Swap:  1802232k total,      216k used,  1802016k free,    63776k cached
> 
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>     1 root      16   0  4756  556  460 S    0  0.1   0:35.34 init
>     2 root      RT   0     0    0    0 S    0  0.0   0:02.83 migration/0
>     3 root      34  19     0    0    0 S    0  0.0   0:27.27 ksoftirqd/0
>     4 root      RT   0     0    0    0 S    0  0.0   0:05.03 migration/1
>     5 root      34  19     0    0    0 S    0  0.0   0:22.88 ksoftirqd/1
>     6 root       5 -10     0    0    0 S    0  0.0   0:03.15 events/0
>     7 root       5 -10     0    0    0 S    0  0.0   0:01.98 events/1
>     8 root       5 -10     0    0    0 S    0  0.0   0:00.00 khelper
>     9 root       5 -10     0    0    0 S    0  0.0   0:00.00 kblockd/0
>    10 root       5 -10     0    0    0 S    0  0.0   0:00.00 kblockd/1
>    11 root      15   0     0    0    0 S    0  0.0   0:00.00 khubd
>    66 root      15   0     0    0    0 S    0  0.0   0:16.14 pdflush
>    67 root      15   0     0    0    0 S    0  0.0   2:30.44 kswapd0
>    68 root      15 -10     0    0    0 S    0  0.0   0:00.00 aio/0
>    69 root       5 -10     0    0    0 S    0  0.0   0:00.00 aio/1
>   213 root      22   0     0    0    0 S    0  0.0   0:00.00 kseriod
>   450 root       5 -10     0    0    0 S    0  0.0   0:00.00 ata/0
>   451 root       5 -10     0    0    0 S    0  0.0   0:00.00 ata/1
>   452 root       6 -10     0    0    0 S    0  0.0   0:00.00 ata_aux
>   456 root      15   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_0
>   457 root      15   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_1
>   465 root      15   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_2
>   466 root      15   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_3
>   494 root      15   0     0    0    0 S    0  0.0   4:03.36 kjournald
>   542 root      16   0 24192  596  416 S    0  0.1   0:36.55 ypbind
>   595 root      15   0     0    0    0 S    0  0.0   0:00.00 rpciod
>   596 root      18   0     0    0    0 S    0  0.0   0:00.00 lockd
>   775 apache    15   0  185m  40m 3628 S    0  4.6   0:00.59 httpd
>  1832 root       5 -10     0    0    0 S    0  0.0   0:00.00 kedac
>  1904 root      16   0 10828 1072  856 S    0  0.1   0:00.00 pppd
>  1973 root       6 -10     0    0    0 S    0  0.0   0:00.00 kauditd
>  1998 root      20   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_4
>  1999 root      15   0     0    0    0 S    0  0.0   3:10.72 usb-storage
>  2176 root      15   0     0    0    0 S    0  0.0   0:00.01 kjournald
>  3070 root      15   0  3632  552  440 S    0  0.1   1:08.11 syslogd
>  3074 root      15   0  2540  372  296 S    0  0.0   0:00.04 klogd
>  3087 root      16   0  2552  300  200 S    0  0.0   0:30.06 irqbalance
>  3155 root      15   0  2916  488  256 S    0  0.1   0:00.97 smartd
>  3215 root      15   0  8716  776  612 S    0  0.1   0:00.00 xinetd
>  3293 root      16   0 40836 2672  984 S    0  0.3   1:07.23 sendmail
>  3303 smmsp     16   0 33504 2108  812 S    0  0.2   0:00.99 sendmail
>  3313 root      16   0  4180  324  244 S    0  0.0   0:00.00 gpm
>  3323 root      16   0  175m  35m 9064 S    0  4.0   0:13.24 httpd
>  3332 root      16   0 57092  976  560 S    0  0.1   0:50.01 crond
>  3353 xfs       16   0 10020 1472  756 S    0  0.2   0:00.17 xfs
> 
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> -                                                               -
> - Jason Pyeron                      PD Inc. http://www.pdinc.us -
> - Principal Consultant              10 West 24th Street #100    -
> - +1 (443) 269-1555 x333            Baltimore, Maryland 21218   -
> -                                                               -
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