Event Filtering
Event filtering is identifying and discarding events which are irrelevant to the Iotellect. For instance, a number of bottom-of-the-range devices may be difficult to configure and occasionally send events of no interest to Iotellect. For example, a desktop printer indicating it needs a paper refill.
There are several ways to filter unnecessary events in Iotellect Server:
Many device drivers and plugins capable of receiving events from diverse hardware provide mechanisms for skipping certain events or downgrading their severity. For example, the Syslog plugin has a Severity Conversion Table that allows the level of Iotellect events to be fine-tuned as Syslog messages are received.
Events may be excluded from processing, storage, or routing chains by configuring a Pre-filter in Event Processing Rules.
Certain events can be excluded from being displayed at the user interface level. Event Filters allow criteria to be set in order to only display relevant events during real-time event monitoring and event history browsing. Secondly, most system facilities that are involved in event mining allow for the specification of various filtering criteria, from simple (based on start/end timestamps and minimal levels) to flexible (ones based on expressions).
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