Starting in version 7.16, this experimental functionality has been removed. You should use the journald input in Filebeat instead.

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Drop fields from events

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Drop fields from events

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The drop_fields processor specifies which fields to drop if a certain condition is fulfilled. The condition is optional. If it’s missing, the specified fields are always dropped. The @timestamp and type fields cannot be dropped, even if they show up in the drop_fields list.

processors:
  - drop_fields:
      when:
        condition
      fields: ["field1", "field2", ...]
      ignore_missing: false

See Conditions for a list of supported conditions.

If you define an empty list of fields under drop_fields, then no fields are dropped.

The drop_fields processor has the following configuration settings:

ignore_missing: (Optional) If true the processor will not return an error when a specified field does not exist. Defaults to false.

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