Nagios service latency on Service (1000+)
sunchai (gillnaldo : sun)
gillnaldo at yahoo.com
Tue Sep 4 16:27:09 CEST 2007
Hi nagios user,
I use nagios 2.9 on Linux Redhat EL4. My server specification show on
===================================================
[root at nagiosnet /root]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 2.00GHz
stepping : 7
cpu MHz : 1994.991
cache size : 512 KB
physical id : 3
siblings : 2
core id : 3
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 3940.35
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 2.00GHz
stepping : 7
cpu MHz : 1994.991
cache size : 512 KB
physical id : 3
siblings : 2
core id : 3
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 3981.31
[root at nagiosnet /root]# free
total used free shared buffers cached
Mem: 2074948 1986060 88888 0 391036 218924
-/+ buffers/cache: 1376100 698848
Swap: 2096472 33232 2063240
[root at nagiosnet /root]#
===================================================
And my nagios host&service show on below
===================================================
[root at nagiosnet /root]# service nagios perf
Nagios performance check
Nagios 2.9
Copyright (c) 1999-2007 Ethan Galstad (http://www.nagios.org)
Last Modified: 04-10-2007
License: GPL
Warning: Host '340-mtg2.some-domain.com' has no services associated with it!
Warning: Host '340-mtg3.some-domain.com' has no services associated with it!
Warning: Host '340-mtg5.some-domain.com' has no services associated with it!
Warning: Host '400-mtg1.some-domain.com' has no services associated with it!
Warning: Host '400-mtg2.some-domain.com' has no services associated with it!
Warning: Host '400-mtg3.some-domain.com' has no services associated with it!
Warning: Host 'adsl-mtg1.some-domain.com' has no services associated with it!
Warning: Host 'bbr-bkkmtg23.some-domain.com' has no services associated with it!
Warning: Host 'bbr-bkkmtg41.some-domain.com' has no services associated with it!
Warning: Host 'bbr-bkkmtg42.some-domain.com' has no services associated with it!
Warning: Host 'bbr-bkkmtg43.some-domain.com' has no services associated with it!
Warning: Host 'bbr-bkkmtg44.some-domain.com' has no services associated with it!
Warning: Host 'bbr-bkkmtg45.some-domain.com' has no services associated with it!
Warning: Host 'bbr-bkkmtg46.some-domain.com' has no services associated with it!
Warning: Host 'c2n-mtg1.some-domain.com' has no services associated with it!
Warning: Host 'isdn-mtg1.some-domain.com' has no services associated with it!
Warning: Host 'mega-mtg1' has no services associated with it!
Warning: Host 'nagios-server' has no services associated with it!
Warning: Host 'onecard-mtg1.some-domain.com' has no services associated with it!
Warning: Host 'sw-colo0.some-domain.com' has no services associated with it!
Warning: Host 'sw-colo1.some-domain.com' has no services associated with it!
Warning: Host 'sw-colo2.some-domain.com' has no services associated with it!
Warning: Host 'sw-colo3.some-domain.com' has no services associated with it!
Warning: Host 'sw-colo4.some-domain.com' has no services associated with it!
Warning: Host 'sw-colo5.some-domain.com' has no services associated with it!
Warning: Host 'wifi-mtg1.some-domain.com' has no services associated with it!
Warning: Host 'wifi-mtg2.some-domain.com' has no services associated with it!
Warning: Contact group 'bangkokpost' is not used in any host/service definitions or host/service escalations!
Warning: Contact group 'sys_admin' is not used in any host/service definitions or host/service escalations!
Projected scheduling information for host and service
checks is listed below. This information assumes that
you are going to start running Nagios with your current
config files.
HOST SCHEDULING INFORMATION
---------------------------
Total hosts: 170
Total scheduled hosts: 170
Host inter-check delay method: NONE
Host inter-check delay: 0.00 sec
Max host check spread: 5 min
First scheduled check: Tue Sep 4 21:09:17 2007
Last scheduled check: Tue Sep 4 21:09:17 2007
SERVICE SCHEDULING INFORMATION
-------------------------------
Total services: 1084
Total scheduled services: 1084
Service inter-check delay method: NONE
Inter-check delay: 0.00 sec
Interleave factor method: SMART
Average services per host: 6.38
Service interleave factor: 7
Max service check spread: 5 min
First scheduled check: Tue Sep 4 21:09:17 2007
Last scheduled check: Tue Sep 4 21:09:17 2007
CHECK PROCESSING INFORMATION
----------------------------
Service check reaper interval: 3 sec
Max concurrent service checks: Unlimited
PERFORMANCE SUGGESTIONS
-----------------------
* Host checks might be scheduled too closely together - consider increasing 'check_interval' option for your hosts
===================================================
>From my requirement, I need to monitor all service and alert not more than 5 minutes with 3 checking interval. My server didn't load at all (check from "vmstat" command).
Anybody have idea for tune-up with this requirement. My target is "NCSA" with other server for reduce load. But I think my old server didn't load at all. -_-"
===================================================
[root at nagiosnet /root]# vmstat 1
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 2 33232 82564 393900 223860 0 0 2 12 8 6 10 7 32 52
0 1 33232 82316 394024 224256 0 0 124 268 1041 170 0 1 40 60
0 2 33232 82068 394164 224376 0 0 140 8 1042 184 0 0 43 57
0 4 33232 81572 394296 224504 0 0 116 804 1045 186 0 0 20 81
0 1 33232 81448 394396 224664 0 0 100 484 1052 174 0 1 20 79
0 1 33232 81200 394544 224516 0 0 148 0 1041 214 1 2 43 54
0 1 33232 80952 394712 224868 0 0 168 0 1052 199 0 0 39 61
0 1 33232 80580 394876 224964 0 0 164 0 1045 189 0 1 40 60
0 1 33232 80208 395020 225080 0 0 144 0 1044 184 0 0 45 54
0 3 33232 79836 395124 225236 0 0 84 1576 1037 190 0 1 16 83
0 1 33232 79712 395196 225424 0 0 72 580 1049 152 0 0 29 71
===================================================
Thank,
Gillnaldo SC
---------------------------------
Boardwalk for $500? In 2007? Ha!
Play Monopoly Here and Now (it's updated for today's economy) at Yahoo! Games.
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