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Bytes processor

The bytes processor converts a human-readable byte value to its equivalent value in bytes. The field can be a scalar or an array. If the field is a scalar, the value is converted and stored in the field. If the field is an array, all values of the array are converted.

Syntax

The following is the syntax for the bytes processor:

{
    "bytes": {
        "field": "your_field_name"
    }
}

Configuration parameters

The following table lists the required and optional parameters for the bytes processor.

Parameter Required/Optional Description
field Required The name of the field containing the data to be converted. Supports template snippets.
description Optional A brief description of the processor.
if Optional A condition for running the processor.
ignore_failure Optional Specifies whether the processor continues execution even if it encounters errors. If set to true, failures are ignored. Default is false.
ignore_missing Optional Specifies whether the processor should ignore documents that do not contain the specified field. If set to true, the processor does not modify the document if the field does not exist or is null. Default is false.
on_failure Optional A list of processors to run if the processor fails.
tag Optional An identifier tag for the processor. Useful for debugging in order to distinguish between processors of the same type.
target_field Optional The name of the field in which to store the parsed data. If not specified, the value will be stored in place in the field field. Default is field.

Using the processor

Follow these steps to use the processor in a pipeline.

Step 1: Create a pipeline

The following query creates a pipeline, named file_upload, that has one bytes processor. It converts the file_size to its byte equivalent and stores it in a new field named file_size_bytes:

PUT _ingest/pipeline/file_upload
{
  "description": "Pipeline that converts file size to bytes",
  "processors": [
    {
      "bytes": {
        "field": "file_size",
        "target_field": "file_size_bytes"
      }
    }
  ]
}

Step 2 (Optional): Test the pipeline

It is recommended that you test your pipeline before you ingest documents.

To test the pipeline, run the following query:

POST _ingest/pipeline/file_upload/_simulate
{
  "docs": [
    {
      "_index": "testindex1",
      "_id": "1",
      "_source": {
        "file_size_bytes": "10485760",
        "file_size":
          "10MB"
      }
    }
  ]
}

Response

The following response confirms that the pipeline is working as expected:

{
  "docs": [
    {
      "doc": {
        "_index": "testindex1",
        "_id": "1",
        "_source": {
          "event_types": [
            "event_type"
          ],
          "file_size_bytes": "10485760",
          "file_size": "10MB"
        },
        "_ingest": {
          "timestamp": "2023-08-22T16:09:42.771569211Z"
        }
      }
    }
  ]
}

Step 3: Ingest a document

The following query ingests a document into an index named testindex1:

PUT testindex1/_doc/1?pipeline=file_upload
{
  "file_size": "10MB"
}

Step 4 (Optional): Retrieve the document

To retrieve the document, run the following query:

GET testindex1/_doc/1

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