ClusterCockpit/cc-metric-collector
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cc-metric-collector/collectors/netstatMetric.md
Thomas Gruber f6dae7c013
Derived metrics (#57) 
* Add time-based derivatived (e.g. bandwidth) to some collectors

* Add documentation

* Add comments

* Fix: Only compute rates with a valid previous state

* Only compute rates with a valid previous state

* Define const values for net/dev fields

* Set default config values

* Add comments

* Refactor: Consolidate data structures

* Refactor: Consolidate data structures

* Refactor: Avoid struct deep copy

* Refactor: Avoid redundant tag maps

* Refactor: Use int64 type for absolut values

Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
2022-03-11 13:48:18 +01:00

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netstat collector

  "netstat": {
    "include_devices": [
      "eth0"
    ],
    "send_abs_values" : true,
    "send_derived_values" : true
  }

The netstat collector reads data from /proc/net/dev and outputs a handful node metrics. With the include_devices list you can specify which network devices should be measured. Note: Most other collectors use an exclude list instead of an include list.

Metrics:

  • net_bytes_in (unit=bytes)
  • net_bytes_out (unit=bytes)
  • net_pkts_in (unit=packets)
  • net_pkts_out (unit=packets)
  • net_bytes_in_bw (unit=bytes/sec if send_derived_values == true)
  • net_bytes_out_bw (unit=bytes/sec if send_derived_values == true)
  • net_pkts_in_bw (unit=packets/sec if send_derived_values == true)
  • net_pkts_out_bw (unit=packets/sec if send_derived_values == true)

The device name is added as tag device.