Method: Elasticsearch::API::Indices::Actions#clear_cache

Defined in:
lib/elasticsearch/api/actions/indices/clear_cache.rb

#clear_cache(arguments = {}) ⇒ Object

Clears all or specific caches for one or more indices.

Parameters:

  • arguments (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (arguments):

  • :index (List) —

    A comma-separated list of index name to limit the operation

  • :fielddata (Boolean) —

    Clear field data

  • :fields (List) —

    A comma-separated list of fields to clear when using the ‘fielddata` parameter (default: all)

  • :query (Boolean) —

    Clear query caches

  • :ignore_unavailable (Boolean) —

    Whether specified concrete indices should be ignored when unavailable (missing or closed)

  • :allow_no_indices (Boolean) —

    Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes ‘_all` string or when no indices have been specified)

  • :expand_wildcards (String) —

    Whether to expand wildcard expression to concrete indices that are open, closed or both. (options: open, closed, hidden, none, all)

  • :request (Boolean) —

    Clear request cache

  • :headers (Hash) —

    Custom HTTP headers

See Also:

[View source]

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# File 'lib/elasticsearch/api/actions/indices/clear_cache.rb', line 39

def clear_cache(arguments = {})
  arguments = arguments.clone
  headers = arguments.delete(:headers) || {}

  body   = nil

  _index = arguments.delete(:index)

  method = Elasticsearch::API::HTTP_POST
  path   = if _index
             "#{Utils.__listify(_index)}/_cache/clear"
           else
             "_cache/clear"
           end
  params = Utils.process_params(arguments)

  Elasticsearch::API::Response.new(
    perform_request(method, path, params, body, headers)
  )
end