Service check latency rises when service notification event occurs frequently
Yu Watanabe
yu.watanabe at jp.fujitsu.com
Tue Oct 18 04:19:53 CEST 2011
Hi all!
We are doing some performance test with nagios 3.3.1 in following
environement.
Server 1
RHEL 5.5 64 bit
1CPU Xeon E3-1220 3.10 GHz
Memory 8GB
Disk 450GB (Raid 1)
Server 2
RHEL 5.5 64 bit
2CPU Xeon E5630 2.53 GHz
Memory 8GB
Disk 300GB (Raid 5)
3011 hosts
6173 services (3011 ping check)
Also putting some loads on the background,
1. 347 syslog msg per sec
2. 1 passvie service check per sec for notification event to two contact group
3. 30 ms of network traffic latency
4. cacti polling
I have realized that Server 1 has service check latency for average 80 second but
server 2 has average below 10 second.
Does notification process naturally effect the service check scheduling?
Thanks,
Yu
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