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Get settings

Introduced 1.0

The get settings API operation returns all the settings in your index.

Path and HTTP methods

GET /_settings
GET /<target-index>/_settings
GET /<target-index>/_settings/<setting>

Path parameters

Parameter Data type Description
<target-index> String The index to get settings from. Can be a comma-separated list to get settings from multiple indexes, or use _all to return settings from all indexes within the cluster.
<setting> String Filter to return specific settings.

Query parameters

All get settings parameters are optional.

Parameter Data type Description
allow_no_indices Boolean Whether to ignore wildcards that don’t match any indexes. Default is true.
expand_wildcards String Expands wildcard expressions to different indexes. Combine multiple values with commas. Available values are all (match all indexes), open (match open indexes), closed (match closed indexes), hidden (match hidden indexes), and none (do not accept wildcard expressions), which must be used with open, closed, or both. Default is open.
flat_settings Boolean Whether to return settings in the flat form, which can improve readability, especially for heavily nested settings. For example, the flat form of “index”: { “creation_date”: “123456789” } is “index.creation_date”: “123456789”.
include_defaults Boolean Whether to include default settings, including settings used within OpenSearch plugins, in the response. Default is false.
ignore_unavailable Boolean If true, OpenSearch does not include missing or closed indexes in the response.
local Boolean Whether to return information from the local node only instead of the cluster manager node. Default is false.
cluster_manager_timeout Time How long to wait for a connection to the cluster manager node. Default is 30s.

Example request

GET /sample-index1/_settings

Example response

{
  "sample-index1": {
    "settings": {
      "index": {
        "creation_date": "1622672553417",
        "number_of_shards": "1",
        "number_of_replicas": "1",
        "uuid": "GMEA0_TkSaamrnJSzNLzwg",
        "version": {
          "created": "135217827",
          "upgraded": "135238227"
        },
        "provided_name": "sample-index1"
      }
    }
  }
}
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