How to reduce a very high latency number

[Steve Shipway]

[Trask wrote]
> I am still butting up against very high latency issues with my Nagios 
> setup.  I feel like I must be missing something obvious because it 
> doesn't seem like I have so many services that the servers cannot keep up.

I've noticed we get this problem when there are more than one or two hosts
down.  Because Nagios (we use 1.2) does host checks first, and sequentially,
a host check timing out can hold up everything else (we have >3000 checks to
run every 5 minutes).  

To help out with this, I've reduced the timeouts and number of pings to
check hosts (so a host down takes less time to identify) and tried to
educate people to disable host checks when they know a host will be down for
a long time.

Finally, I do a restart of Nagios every day or so which resets the latency
back to 0.  Not ideal, but it helps.

I'd rather host checks were done in the same way as service checks, but I
can see why they aren't (to allow the system to not run service checks for
down hosts).

Steve




-------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
Nagios-users mailing list
Nagios-users at lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
::: Messages without supporting info will risk being sent to /dev/null