Magento 2.0.18 is the final 2.0.x release. After March 2018, Magento 2.0.x will no longer receive security patches, quality fixes, or documentation updates. To maintain your site's performance, security, and PCIPayment Card Industry: Refers to debit and credit cards and their associated businesses. compliance, upgrade to the latest version of Magento.
Configuring Catalog Search
This section explains how to configure Catalog Search for your specific installation. The available options depend on the search engine that is used for your Magento installation.
MySQL is the default search engine used by Magento Commerce 2.0.
Solr is not included in a standard Magento installation, and must be installed separately. The Solr configuration has a slightly different set of options and features.