Nagios XI: Scalability & data storage

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Nagios XI: Scalability & data storage

Postby JulianCo » Thu Jul 11, 2019 4:42 am

Hello,

I am writing a paper about monitoring tools but I can't find a lot of information about the scalability of Nagios XI. Can somebody explain to me how Nagios XI can be scaled? How many assets (devices, services, etc.) Nagios XI can support?

Another question I have is which data Nagios XI stores in the databases (Historical data). What does the historical data consist of?

I hope somebody can help me! :D

Thanks,
Julian
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Re: Nagios XI: Scalability & data storage

Postby mcapra » Thu Jul 11, 2019 12:21 pm

JulianCo wrote:Can somebody explain to me how Nagios XI can be scaled?

The hardware requirements page is a good place to start:
https://assets.nagios.com/downloads/nag ... ements.pdf

Strictly speaking, it depends. If you have 1000 checks that all require traversing entire SNMP trees, those checks will probably require more resources than 1000 checks that are querying a single OID. WMI, SNMP, NCPA/NRPE, various plugins, use of mod-gearman to distribute work, required retention periods for data/logs, just a few things that can/will influence performance.

JulianCo wrote:Another question I have is which data Nagios XI stores in the databases (Historical data). What does the historical data consist of?

Off the top of my head:
  • Flat, plain-text logfiles
  • RRDs
  • MySQL database records
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Re: Nagios XI: Scalability & data storage

Postby benjaminsmith » Thu Jul 11, 2019 3:29 pm

Thanks @mcapra!

Good luck on your paper and let us know if you have need clarification on anything or have any other questions.
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