Difference between revisions of "UM:Event Processing"

13 bytes removed ,  23:32, 20 June 2012
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The following flowchart outlines event flow inside the monitoring system:
The following flowchart outlines event flow inside the monitoring system:


'''Figure 9: Event flow inside the monitoring system'''
[[File:Event_flow.png|thumb|500px|none|alt=Event flow|Event flow inside the monitoring system]]
 
 
[[File:Event_flow.png|600px|none|alt=Event flow]]
 


As you can see on the flowchart, events can come from various sources: polling processes (status, configuration, discovery, and data collection), SNMP traps, and directly from external applications via client library. All incoming events go to single event queue for processing. A special process, called ''Event Processor'', takes events from the queue one by one and matches them against Event Processing Policy. As a result, alarms may be generated and actions may be executed. If event has ''write lo log'' attribute set, it is written to NetXMS event log at the end of processing.
As you can see on the flowchart, events can come from various sources: polling processes (status, configuration, discovery, and data collection), SNMP traps, and directly from external applications via client library. All incoming events go to single event queue for processing. A special process, called ''Event Processor'', takes events from the queue one by one and matches them against Event Processing Policy. As a result, alarms may be generated and actions may be executed. If event has ''write lo log'' attribute set, it is written to NetXMS event log at the end of processing.
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