public function getCreateIndexSettings()
{
$settings = ['requests.cache.enable' => true, 'number_of_replicas' => 0, 'number_of_shards' => $this->helper->getNumberOfShards(), 'refresh_interval' => self::FULL_REINDEX_REFRESH_INTERVAL, 'merge.scheduler.max_thread_count' => 1, 'translog.durability' => 'async', 'translog.disable_flush' => true];
return $settings;
}