Analyze the index disk usage Technical preview

POST /{index}/_disk_usage

Analyze the disk usage of each field of an index or data stream. This API might not support indices created in previous Elasticsearch versions. The result of a small index can be inaccurate as some parts of an index might not be analyzed by the API.

Path parameters

  • index string | array[string] Required

    Comma-separated list of data streams, indices, and aliases used to limit the request. It’s recommended to execute this API with a single index (or the latest backing index of a data stream) as the API consumes resources significantly.

Query parameters

  • allow_no_indices boolean

    If false, the request returns an error if any wildcard expression, index alias, or _all value targets only missing or closed indices. This behavior applies even if the request targets other open indices. For example, a request targeting foo*,bar* returns an error if an index starts with foo but no index starts with bar.

  • expand_wildcards string | array[string]

    Type of index that wildcard patterns can match. If the request can target data streams, this argument determines whether wildcard expressions match hidden data streams. Supports comma-separated values, such as open,hidden.

  • flush boolean

    If true, the API performs a flush before analysis. If false, the response may not include uncommitted data.

  • ignore_unavailable boolean

    If true, missing or closed indices are not included in the response.

  • run_expensive_tasks boolean

    Analyzing field disk usage is resource-intensive. To use the API, this parameter must be set to true.

Responses

  • 200 application/json

    Additional properties are allowed.
POST /{index}/_disk_usage 
curl \
 -X POST http://api.example.com/{index}/_disk_usage
Response examples (200) 
{}