[asterisk-users] VERY HIGH LOAD AVERAGE: top - 10:27:57 up 199 days, 5:18, 2 users, load average: 67.75, 62.55, 55.75

[Steve Totaro]

On Mon, Feb 8, 2010 at 11:42 PM, Muro, Sam <research at businesstz.com> wrote:
> Hi Team
>
> Can someone advice me on how i can lower the load average on my asterisk
> server?
>
> dahdi-linux-2.1.0.4
> dahdi-tools-2.1.0.2
> libpri-1.4.10.1
> asterisk-1.4.25.1
>
> 2 X TE412P Digium cards on ISDN PRI
>
> Im using the system as an IVR without any transcoding or bridging
>
> **************************************
> top - 10:27:57 up 199 days,  5:18,  2 users,  load average: 67.75, 62.55,
> 55.75
> Tasks: 149 total,   1 running, 148 sleeping,   0 stopped,   0 zombie Cpu0
> : 10.3%us, 32.0%sy,  0.0%ni, 57.3%id,  0.0%wa,  0.0%hi,  0.3%si,  0.0%st
> Cpu1  : 10.6%us, 34.6%sy,  0.0%ni, 54.8%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Cpu2  : 13.3%us, 36.5%sy,  0.0%ni, 49.8%id,  0.0%wa,  0.0%hi,  0.3%si,
> 0.0%st
> Cpu3  :  8.6%us, 39.5%sy,  0.0%ni, 51.8%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Cpu4  :  7.3%us, 38.0%sy,  0.0%ni, 54.7%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Cpu5  : 17.9%us, 37.5%sy,  0.0%ni, 44.5%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Cpu6  : 13.3%us, 37.2%sy,  0.0%ni, 49.5%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Cpu7  : 12.7%us, 37.3%sy,  0.0%ni, 50.0%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Mem:   3961100k total,  3837920k used,   123180k free,   108944k buffers
> Swap:   779144k total,       56k used,   779088k free,  3602540k cached
>
>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND 683
> root      15   0 97968  36m 5616 S 307.7  0.9  41457:34 asterisk
> 17176 root      15   0  2196 1052  800 R  0.7  0.0   0:00.32 top
>    1 root      15   0  2064  592  512 S  0.0  0.0   0:13.96 init
>    2 root      RT  -5     0    0    0 S  0.0  0.0   5:27.80 migration/0 3
> root      34  19     0    0    0 S  0.0  0.0   0:00.11 ksoftirqd/0 4
> root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/0 5
> root      RT  -5     0    0    0 S  0.0  0.0   1:07.67 migration/1 6
> root      34  19     0    0    0 S  0.0  0.0   0:00.09 ksoftirqd/1 7
> root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/1 8
> root      RT  -5     0    0    0 S  0.0  0.0   1:16.92 migration/2 9
> root      34  19     0    0    0 S  0.0  0.0   0:00.03 ksoftirqd/2
>   10 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/2 11
> root      RT  -5     0    0    0 S  0.0  0.0   1:34.54 migration/3 12
> root      34  19     0    0    0 S  0.0  0.0   0:00.15 ksoftirqd/3 13
> root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/3 14
> root      RT  -5     0    0    0 S  0.0  0.0   0:54.66 migration/4 15
> root      34  19     0    0    0 S  0.0  0.0   0:00.01 ksoftirqd/4 16
> root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/4 17
> root      RT  -5     0    0    0 S  0.0  0.0   1:39.64 migration/5 18
> root      39  19     0    0    0 S  0.0  0.0   0:00.21 ksoftirqd/5 19
> root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/5 20
> root      RT  -5     0    0    0 S  0.0  0.0   1:06.27 migration/6 21
> root      34  19     0    0    0 S  0.0  0.0   0:00.03 ksoftirqd/6 22
> root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/6 23
> root      RT  -5     0    0    0 S  0.0  0.0   1:23.24 migration/7 24
> root      34  19     0    0    0 S  0.0  0.0   0:00.17 ksoftirqd/7 25
> root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/7 26
> root      10  -5     0    0    0 S  0.0  0.0   0:25.70 events/0 27 root
>     10  -5     0    0    0 S  0.0  0.0   0:37.83 events/1 28 root
> 10  -5     0    0    0 S  0.0  0.0   0:15.67 events/2 29 root      10
> -5     0    0    0 S  0.0  0.0   0:40.36 events/3 30 root      10  -5
>  0    0    0 S  0.0  0.0   0:16.45 events/4
> *********************************************
>
> Thanks
> Sam
>

Even though you shouldn't have to, have your rebooted?  200 days of
uptime and this just started?

Have you recently updated the box?

ksoftirqd seems to have issues in some kernels.  That is where I would
start after restarting Asterisk and or the server.

http://tinyurl.com/ygd2eha

Thanks,
Steve T