Drop fields - Simple Log Service - Alibaba Cloud Documentation Center

If you use Logtail to collect logs, you can use the processor_drop plug-in to drop log fields. This topic describes the parameters of the processor_drop plug-in. This topic also provides examples on how to configure the plug-in.

Limits

Text logs and container stdout and stderr support only the form configuration. Other logtail plug-ins support only the editor configuration in JSON.

Entry point

If you want to use a Logtail plug-in to process logs, you can add a Logtail plug-in configuration when you create or modify a Logtail configuration. For more information, see Overview of Logtail plug-ins for data processing.

Usage notes

Important

Only Logtail V0.16.28 or later supports the processor_drop plug-in.

Form configuration

Parameters
Set Processor Type to Drop Field. Then, configure other parameters based on the following table.
Parameter
Description
Drop Field
The field to drop. You can specify multiple fields.
Configuration example
The following example shows how to drop the aaa1 and aaa2 fields from a log.
- Raw log
```
"aaa1":"value1"
"aaa2":"value2"
"aaa3":"value3"
```
- Logtail plug-in configuration for data processing
- Results
```
"aaa3":"value3"
```

Editor configuration in JSON

Parameters
Set type to processor_drop. Then, configure other parameters in detail based on the following table.
Parameter
Type
Required
Description
DropKeys
String array
Yes
The field to drop. You can specify multiple fields.

Configuration example

The following example shows how to drop the aaa1 and aaa2 fields from a log.

Raw log

"aaa1":"value1"
"aaa2":"value2"
"aaa3":"value3"

Logtail plug-in configuration for data processing

{
  "processors":[
    {
      "type":"processor_drop",
      "detail": {
        "DropKeys": ["aaa1","aaa2"]
      }
    }
  ]
}

Results
```
"aaa3":"value3"
```

Parameter	Description
Drop Field	The field to drop. You can specify multiple fields.

Parameter	Type	Required	Description
DropKeys	String array	Yes	The field to drop. You can specify multiple fields.