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sizing NagiosXI

Posted: Mon Feb 19, 2018 11:16 am
by Francesco
Hi all,
I'm searching documents about sizing of NagiosXI
  • nodes: 1500
  • services: 30000 :shock:
  • default check interval: 5 min
Thanks,

Re: sizing NagiosXI

Posted: Mon Feb 19, 2018 1:29 pm
by lmiltchev
Typically, you can get somewhere between 10,000 and a maximum of 20,000 total checks (hosts + services) on a five minute interval from a single well-provisioned Nagios XI server, but this depends on many factors, including:

- The strength of your monitoring server
- The check interval (every 5 minutes is the default)
- Whether the checks are active or passive.
- The type of plugins being used (for example, SNMP and WMI checks are more resource intensive for Nagios)

This document outlines important server considerations, and a variety of steps which can be taken to maximize performance on your XI system, such as utilizing a RAM Disk and offloading the MySQL DB (typically recommended to expand beyond 10K checks):

https://support.nagios.com/kb/article/n ... tions.html

In addition to this, you could review the "Boosting Performance" section in the Nagios XI Administrators Guide:

https://assets.nagios.com/downloads/nag ... p#boosting

Testing is ultimately the only way to know for certain how many checks will be possible for a single XI server in the context of your unique requirements, and we offer a free 60 day trial you can leverage to help determine this.

Hope this helps. Let us know if you have any more questions.

Thank you!

Re: sizing NagiosXI

Posted: Mon Feb 26, 2018 6:42 am
by Francesco
Thank you!

Could you help me better understand Mod-Gearman?
  • If I want a unique web console+Database, but, due networks rules, or performance, need different Nagios Core/Engine/something, I have to use Mod-Gearman?
  • Is fully integrated with Nagios XI?
Thanks again,

Re: sizing NagiosXI

Posted: Mon Feb 26, 2018 2:31 pm
by scottwilkerson
Francesco wrote:If I want a unique web console+Database, but, due networks rules, or performance, need different Nagios Core/Engine/something, I have to use Mod-Gearman?
I don't understand if this is a question or a statement.
Francesco wrote:Is fully integrated with Nagios XI?
Neither your own 3rd party "unique web console+Database" nor Mod-Gearman is fully integrated with Nagios XI.

We have some documentation on Mod-Gearman however every Mod-Gearman installation is different, and customised by the person putting it together for their corporate needs. We will support Nagios XI fully, but can only assist with Mod-Gearman integration.

Re: sizing NagiosXI

Posted: Mon Feb 26, 2018 5:30 pm
by BanditBBS
This is my NagiosXI server information:
Capture.PNG
I have 64GB Ram and 16 cores. I've done quite a bit of adjusting refresh rates and such, plus an offloaded DB server and it runs great.

Re: sizing NagiosXI

Posted: Tue Feb 27, 2018 8:37 am
by scottwilkerson
Thanks for sharing @BanditBBS as your size is very similar the the requested sizing