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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