Returns statistics for one or more indices Added in 1.3.0

GET /{index}/_stats/{metric}

For data streams, the API retrieves statistics for the stream’s backing indices.

Path parameters

  • index string | array[string] Required

    A comma-separated list of index names; use _all or empty string to perform the operation on all indices

  • metric string | array[string] Required

    Limit the information returned the specific metrics.

Query parameters

  • completion_fields string | array[string]

    Comma-separated list or wildcard expressions of fields to include in fielddata and suggest statistics.

  • 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.

  • fielddata_fields string | array[string]

    Comma-separated list or wildcard expressions of fields to include in fielddata statistics.

  • fields string | array[string]

    Comma-separated list or wildcard expressions of fields to include in the statistics.

  • If true, statistics are not collected from closed indices.

  • groups string | array[string]

    Comma-separated list of search groups to include in the search statistics.

  • If true, the call reports the aggregated disk usage of each one of the Lucene index files (only applies if segment stats are requested).

  • If true, the response includes information from segments that are not loaded into memory.

  • level string

    Indicates whether statistics are aggregated at the cluster, index, or shard level.

    Values are cluster, indices, or shards.

Responses