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Term | What we mean by that? |
Metric | A Measurement of a particular characteristic. Ex: %ge of CPU used, Amount of Bandwidth used, etc. Complete definition can be found here |
Event | A record of something that has happened - A simple immutable fact. Example: Link has gone down. A packet from a flow is dropped, etc. Complete definition can be found here |
Agent | Software that runs on a node/system that needs to be monitored. |
Client Node | A node that is monitored (Node on which agent runs) |
Server Node | A node that collects metrics and events from the client node. |
Sampling Interval | How frequently the metrics are sent. |
Push Mode | Fetching of events by subscribing |
Poll Mode | Fetching of events via polling. |
Writing of Metrics/events | sending/outputting of metrics or events. |
Reading of Metrics/events | receiving/reading of measrements |
Logging of Metrics/events | Logging of monitored/received metric or event |
Metric Types (data source types) | Guage: Value stored as-is |
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