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Fixing shell usage and standardizing on YAML examples for network io metrics input plugin. Fixes #1829. #1834

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Jul 2, 2025
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Fixing shell usage and standardizing on YAML examples for network io metrics input plugin. Fixes #1829. #1834

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65 changes: 41 additions & 24 deletions pipeline/inputs/network-io-metrics.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,20 +25,36 @@ To monitor network traffic from your system, you can run the plugin from the com

Run Fluent Bit using a command similar to the following:

```bash
bin/fluent-bit -i netif -p interface=eth0 -o stdout
```shell
$ fluent-bit -i netif -p interface=eth0 -o stdout
```

Which returns something the following:

```text
Fluent Bit v1.x.x
* Copyright (C) 2019-2020 The Fluent Bit Authors
* Copyright (C) 2015-2018 Treasure Data
Fluent Bit v4.0.3
* Copyright (C) 2015-2025 The Fluent Bit Authors
* Fluent Bit is a CNCF sub-project under the umbrella of Fluentd
* https://fluentbit.io

[2017/07/08 23:34:18] [ info] [engine] started
______ _ _ ______ _ _ ___ _____
| ___| | | | | ___ (_) | / || _ |
| |_ | |_ _ ___ _ __ | |_ | |_/ /_| |_ __ __/ /| || |/' |
| _| | | | | |/ _ \ '_ \| __| | ___ \ | __| \ \ / / /_| || /| |
| | | | |_| | __/ | | | |_ | |_/ / | |_ \ V /\___ |\ |_/ /
\_| |_|\__,_|\___|_| |_|\__| \____/|_|\__| \_/ |_(_)___/


[2025/07/01 14:44:47] [ info] [fluent bit] version=4.0.3, commit=f5f5f3c17d, pid=1
[2025/07/01 14:44:47] [ info] [storage] ver=1.5.3, type=memory, sync=normal, checksum=off, max_chunks_up=128
[2025/07/01 14:44:47] [ info] [simd ] disabled
[2025/07/01 14:44:47] [ info] [cmetrics] version=1.0.3
[2025/07/01 14:44:47] [ info] [ctraces ] version=0.6.6
[2025/07/01 14:44:47] [ info] [input:mem:mem.0] initializing
[2025/07/01 14:44:47] [ info] [input:mem:mem.0] storage_strategy='memory' (memory only)
[2025/07/01 14:44:47] [ info] [sp] stream processor started
[2025/07/01 14:44:47] [ info] [engine] Shutdown Grace Period=5, Shutdown Input Grace Period=2
[2025/07/01 14:44:47] [ info] [output:stdout:stdout.0] worker #0 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}]
Expand All @@ -47,25 +63,9 @@ Fluent Bit v1.x.x

### Configuration file

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

{% tabs %}
{% tab title="fluent-bit.conf" %}

```python
[INPUT]
Name netif
Tag netif
Interval_Sec 1
Interval_NSec 0
Interface eth0
[OUTPUT]
Name stdout
Match *
```

{% endtab %}

{% tab title="fluent-bit.yaml" %}

```yaml
Expand All @@ -76,14 +76,31 @@ pipeline:
interval_sec: 1
interval_nsec: 0
interface: eth0

outputs:
- name: stdout
match: '*'
```

{% endtab %}
{% tab title="fluent-bit.conf" %}

```text
[INPUT]
Name netif
Tag netif
Interval_Sec 1
Interval_NSec 0
Interface eth0

[OUTPUT]
Name stdout
Match *
```

{% endtab %}
{% endtabs %}

Which calculates using the formula: `Total interval (sec) = Interval_Sec + (Interval_Nsec / 1000000000)`.

For example: `1.5s = 1s + 500000000ns`
For example: `1.5s = 1s + 500000000ns`