module ActiveSupport::Cache::Strategy::LocalCache

def read_multi_entries(keys, options)
  return super unless local_cache
  local_entries = local_cache.read_multi_entries(keys, options)
  missed_keys = keys - local_entries.keys
  if missed_keys.any?
    local_entries.merge!(super(missed_keys, options))
  else
    local_entries
  end
end