> For the complete documentation index, see [llms.txt](https://docs.fluentbit.io/manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fluentbit.io/manual/data-pipeline/outputs/skywalking.md).

# Apache SkyWalking

The *Apache SkyWalking* output plugin lets you flush your records to an [Apache SkyWalking](https://skywalking.apache.org/) OAP. The following instructions assume that you have an operational Apache SkyWalking OAP in place.

## Configuration parameters

| Key             | Description                                                                                                            | Default      |
| --------------- | ---------------------------------------------------------------------------------------------------------------------- | ------------ |
| `auth_token`    | Authentication token if needed for Apache SkyWalking OAP.                                                              | *none*       |
| `host`          | Hostname of Apache SkyWalking OAP.                                                                                     | `127.0.0.1`  |
| `port`          | TCP port of the Apache SkyWalking OAP.                                                                                 | `12800`      |
| `svc_inst_name` | Service instance name of Fluent Bit.                                                                                   | `fluent-bit` |
| `svc_name`      | Service name that Fluent Bit belongs to.                                                                               | `sw-service` |
| `workers`       | The number of [workers](/manual/administration/multithreading.md#outputs) to perform flush operations for this output. | `0`          |

### TLS / SSL

The Apache SkyWalking output plugin supports TLS/SSL. For more details about the properties available and general configuration, see [TLS/SSL](/manual/administration/transport-security.md).

## Get started

To start inserting records into an Apache SkyWalking service, you can run the plugin through the configuration file.

### Configuration file

In your main configuration file append the following:

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

```yaml
pipeline:
  inputs:
    - name: cpu

  outputs:
    - name: skywalking
      svc_name: dummy-service
      svc_inst_name: dummy-service-fluentbit
```

{% endtab %}

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

```
[INPUT]
  Name cpu

[OUTPUT]
  Name          skywalking
  Svc_Name      dummy-service
  Svc_Inst_Name dummy-service-fluentbit
```

{% endtab %}
{% endtabs %}

## Output format

The format of the plugin output follows the [data collect protocol](https://github.com/apache/skywalking-data-collect-protocol/blob/743f33119dc5621ae98b596eb8b131dd443445c7/logging/Logging.proto).

For example, if the log is as follows:

```json
{
  "log": "This is the original log message"
}
```

This message is packed into the following protocol format and written to the OAP using the REST API.

```json
[{
  "timestamp": 123456789,
  "service": "dummy-service",
  "serviceInstance": "dummy-service-fluentbit",
  "body": {
    "json": {
      "json": "{\"log\": \"This is the original log message\"}"
    }
  }
}]
```


---

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