Nagios scheduling queue seems to be lagging behind real time

tom.welsh at bt.com tom.welsh at bt.com
Fri May 28 09:49:34 CEST 2004


Hi All

I'm new to this list so try to be kind :)

OS. Solaris with current patches applied

Hardware : Sun E220R, 2 * 450MHz Ultra SPARCII cpu's, 1gb ram, 2 * 18gb SCSi drives

Monitored Hosts: 64

Monitored Services 2094

Monitoring interval 5 mins

Nagios version 1.0 ( Yes I know there is a new version but an upgrade is not an option for us just now :(  )

Problem:
nagios appears to be running fine it is just that when I look at my scheduling queue the tests at the top of the queue seem to be constantly 16 - 17 mins behind real time. Currently time on my box is 08:40.  The next entry to run should have been executed at 08:24.

I have read the section in the docs regarding scheduling and adjusted my max_concurrent_checks accordingly. My service_reaper_frequency is still set to 10

Can any one point out where I can make changes to bring this system back into line with real time?

Here is the output from nagios -s ../etc/nagios.cfg


        SERVICE SCHEDULING INFORMATION
        -------------------------------
        Total services:             2094
        Total hosts:                64

        Command check interval:     -1 sec
        Check reaper interval:      10 sec

        Inter-check delay method:   SMART
        Average check interval:     341.117 sec
        Inter-check delay:          0.163 sec

        Interleave factor method:   SMART
        Average services per host:  32.719
        Service interleave factor:  33

        Initial service check scheduling info:
        --------------------------------------
        First scheduled check:      1085729805 -> Fri May 28 08:36:45 2004
        Last scheduled check:       1085730148 -> Fri May 28 08:42:28 2004

        Rough guidelines for max_concurrent_checks value:
        -------------------------------------------------
        Absolute minimum value:     62
        Recommend value:            186


>From nagios.cfg...

inter_check_delay_method=s
service_interleave_factor=s
max_concurrent_checks=186
service_reaper_frequency=10
sleep_time=1
service_check_timeout=63
host_check_timeout=30
event_handler_timeout=30
notification_timeout=30
ocsp_timeout=5
perfdata_timeout=5


Thanks for your help

Regards,


Tom 




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