jeffg at opennms.org
Mon May 23 22:29:52 UTC 2016
On 05/23/2016 05:51 PM, Eric Kuhnke wrote:
> Exposing the data via SNMP on the host to be monitored distributes the CPU
> load individually onto each host
So much this. Most importantly, it removes the fork/exec overhead from
the monitoring server.
> This allows cacti or opennms or anything else to poll the hosts to be
> monitored via something that scales better than php script workers, using
> the 'spine' SNMP data acquisition method and the equivalent in other snmp
> polling platforms.
Point of fact for OpenNMS users: all our collectors are in-process, so
in cases where SNMP is impractical you can use the XML/JSON or JDBC or
WS-Management collector and still achieve great scale with a single server.
But SNMP still scales and interoperates like nothing else.
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