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| The Questions | The Answer |
| Lowest Interval: Which agent supports the lowest sampling interval, and what is the value? | |
| Interoperability: Which agent is 'most interoperable'? (Work with maximum of 'servers' (collection node) | |
| Large-scale deployment: Which agent is ideal for large-scale monitoring (Provide description in a separate page, if needed) | |
| Low-footprint: Which agent has the lowest footprint (memory and CPU)? | |
| Metrics: Which agent supports maximum number of metrics? | |
| Gaps: Are there any metrics that are not supported by any of the agent and that are relavant to NFV? | |
| Which agent is ideal for realtime analytics?- [Support for maximum scalable datastores, visualization tools and Analytics engines?] | |
| Is any of the agents been used in large-scale real-world deployments? If so, please provide the details on the performance. | |
| Which agent has the least/maximum dependency - Libraries, OS/Kernel versions, etc.? | |
| Which agent provides maximum 'freedom' w.r.t. Licenses (core agent + plugins)? | |
| Which agent is best for the following datastores: Influxdb, Graphite, ElasticSearch? | |
| Which agent support dynamic configuration? | |