Scheduler not running

[Tedman Eng]

A large number down hosts will adversely affect the scheduling of active
checks.

This is because host checks:
  -supercedes all other scheduled activiy
  -are performed serially
  -includes a host check of the device's parent(s)
  -are performed for every failed service check

You can minimize this effect a little by disabling all active checks except
one for hosts that you know will be remain down for a while. (that way it's
not host-checked after every one of it's services, just the one)


-----Original Message-----
From: Phil Manuel [mailto:flare04 at gmail.com]
Sent: Wednesday, July 12, 2006 3:05 PM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] Scheduler not running


Hi,

We are running Nagios 2.3.1 on Solaris, downloaded from blastwave.  Recently
we have noticed that the scheduler halts and doesn't process any commands.

We can see events going into the log still.

Our network isn't very big, only comprising 20 devices.  So it should be
handling this easily.  The load on the box at the time was 1.2.  The service
checks are split equally between active and passive checks.

We have however taken down half of the network to rebuild it.

What is the likely cause ?  I admit i haven't looked int he Nagios log file
yet for any errors. 

Thanks


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