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---

Clear the user cache

POST /_security/realm/{realms}/_clear_cache

Api key auth Basic auth Bearer auth

Evict users from the user cache. You can completely clear the cache or evict specific users.

User credentials are cached in memory on each node to avoid connecting to a remote authentication service or hitting the disk for every incoming request. There are realm settings that you can use to configure the user cache. For more information, refer to the documentation about controlling the user cache.

External documentation Dismiss highlight

Path parameters

• realms string | array[string] Required

  A comma-separated list of realms. To clear all realms, use an asterisk (*). It does not support other wildcard patterns.

Query parameters

• usernames array[string]

  A comma-separated list of the users to clear from the cache. If you do not specify this parameter, the API evicts all users from the user cache.

Responses

• 200 application/json
  Hide response attributes Show response attributes object

  • _nodes object Required
    Hide _nodes attributes Show _nodes attributes object

    • failures array[object]
      Hide failures attributes Show failures attributes object

      • type string Required

        The type of error

      • reason string | null

        A human-readable explanation of the error, in English.

        One of:

        string-1 string string-2 string | null
      • stack_trace string

        The server stack trace. Present only if the error_trace=true parameter was sent with the request.

      • caused_by object
      • root_cause array[object]
      • suppressed array[object]
    • total number Required

      Total number of nodes selected by the request.

    • successful number Required

      Number of nodes that responded successfully to the request.

    • failed number Required

      Number of nodes that rejected the request or failed to respond. If this value is not 0, a reason for the rejection or failure is included in the response.

  • cluster_name string Required
  • nodes object Required
    Hide nodes attribute Show nodes attribute object

    • * object Additional properties
      Hide * attribute Show * attribute object

      • name string Required

POST /_security/realm/{realms}/_clear_cache

curl \
 --request POST 'http://api.example.com/_security/realm/{realms}/_clear_cache' \
 --header "Authorization: $API_KEY"