Nagios running checks way too often

[Doug Eubanks]

Nagios is checking services way too often.  It's supposed to check once
every 2 minutes, then failback to checking once every 1 minute on a failure.

I believe this is the relevant parts of the nagios.cfg file:
sleep_time=20
service_interleave_factor=s
max_concurrent_checks=0
service_reaper_frequency=5
interval_length=60
service_check_timeout=75
host_check_timeout=75
obsess_over_services=1
process_performance_data=1
check_for_orphaned_services=0
check_service_freshness=1
service_inter_check_delay_method=s
use_retained_scheduling_info=1
max_service_check_spread=1
host_inter_check_delay_method=s
max_host_check_spread=1
auto_reschedule_checks=1
auto_rescheduling_interval=15
auto_rescheduling_window=30

Nagios Version Information:
nagios-3.4.1-2.el6.i686

Here's the access log from the service being checked.  This is only one
vhost, and that one vhost is only in Nagios as a service once.
198.17.xxx.xxx - - [04/Dec/2012:10:31:41 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:31:41 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:31:44 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:31:50 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:31:50 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:31:50 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:32:37 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:32:37 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:32:38 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:33:46 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:33:46 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:33:48 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:33:55 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:33:55 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:33:55 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:34:43 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:34:43 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:34:43 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:35:52 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:35:52 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:35:55 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:36:01 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:36:01 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:36:01 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:36:49 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:36:49 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:36:49 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:37:57 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"
198.17.xxx.xxx - - [04/Dec/2012:10:37:57 -0500] "GET / HTTP/1.1" 200 22414
"-" "check_http/v1.4.16 (nagios-plugins 1.4.16)"

Any suggestions?

Thanks,
Doug Eubanks
admin at dougware.net
K1DUG
(919) 201-8750
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