Network Traffic

The netif input plugin, gathers the information about the network traffic of the running system every certain interval of time and reports them.

Configuration Parameters

The plugin supports the following configuration parameters:

Key Description
Interface Specify the network interface to monitor. e.g. eth0
Interval_Sec Polling interval (seconds). default: 1
Interval_NSec Polling interval (nanosecond). default: 0
Verbose If true, gather metrics precisely. default: false

Getting Started

In order to monitor network traffic from your system, you can run the plugin from the command line or through the configuration file:

Command Line

$ bin/fluent-bit -i netif -p interface=eth0 -o stdout
Fluent-Bit v0.12.0
Copyright (C) Treasure Data

[2017/07/08 23:34:18] [ info] [engine] started
[0] netif.0: [1499524459.001698260, {"eth0.rx.bytes"=>89769869, "eth0.rx.packets"=>73357, "eth0.rx.errors"=>0, "eth0.tx.bytes"=>4256474, "eth0.tx.packets"=>24293, "eth0.tx.errors"=>0}]
[1] netif.0: [1499524460.002541885, {"eth0.rx.bytes"=>98, "eth0.rx.packets"=>1, "eth0.rx.errors"=>0, "eth0.tx.bytes"=>98, "eth0.tx.packets"=>1, "eth0.tx.errors"=>0}]
[2] netif.0: [1499524461.001142161, {"eth0.rx.bytes"=>98, "eth0.rx.packets"=>1, "eth0.rx.errors"=>0, "eth0.tx.bytes"=>98, "eth0.tx.packets"=>1, "eth0.tx.errors"=>0}]
[3] netif.0: [1499524462.002612971, {"eth0.rx.bytes"=>98, "eth0.rx.packets"=>1, "eth0.rx.errors"=>0, "eth0.tx.bytes"=>98, "eth0.tx.packets"=>1, "eth0.tx.errors"=>0}]

Configuration File

In your main configuration file append the following Input & Output sections:

    Name          netif
    Tag           netif
    Interval_Sec  1
    Interval_NSec 0
    Interface     eth0
    Name   stdout
    Match  *

Note: Total interval (sec) = Interval_Sec + (Interval_Nsec / 1000000000).

e.g. 1.5s = 1s + 500000000ns

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