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telegraf/plugins/system/TCPCONN_README.md

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Telegraf plugin: TCPCONN

Description

The TCPCONN plugin collects TCP connections state by using lsof.

Supported TCP Connection states are follows.

  • established
  • syn_sent
  • syn_recv
  • fin_wait1
  • fin_wait2
  • time_wait
  • close
  • close_wait
  • last_ack
  • listen
  • closing
  • none

Measurements:

TCP Connections measurements:

Meta:

  • units: counts

Measurement names:

  • established
  • syn_sent
  • syn_recv
  • fin_wait1
  • fin_wait2
  • time_wait
  • close
  • close_wait
  • last_ack
  • listen
  • closing
  • none

If there are no connection on the state, the metric is not counted.