Files locking might be an issue for scalability?

[Thomas Guyot-Sionnest]

On 10/04/07 01:47 PM, Sebastian Ganame wrote:
> I was going to ask the same exact thing, since the periodicity in which
> you retrieve data (and how of course) is the most important thing to
> interpret this data.
> However, now that I have your insights, I'll try to get deeper on using
> plugins and I'll keep you posted of my testing results.
> Best regards,

Hi Sebastian,

Just to add one thing, your most concerning problem in 2.x series with a
lot of hosts polling very often is likely to be hosts checks as they are
 not parallelized. On the latest box I set up I'm polling every minutes
and as soon as there is a few unreachable hosts Nagios starts lagging.
My workaround for now is to manually disable active host checks on them
though there are many other options (I'm mainly thinking of removing the
host check and using event handlers to set the host UP/DOWN, though you
may want to test how that affect UNREACHABLE state).

This has been addressed in the upcoming 3.0 release but it's still in
alpha stage.

Thomas

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