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Overcoming Magento's Achilles Heel: The Database Strain Conundrum and the Search for the Perfect Query

Overcoming Magento’s Achilles Heel: The Database Strain Conundrum and the Search for the Perfect Query

Magento, a widely-used e-commerce platform, is struggling with a significant database issue linked to the "Popular Search Term Cache" feature in Magento 2.3.0. This problem primarily arises from a distinct count query on the search_query table, causing excess CPU load and performance degradation. The issue is exacerbated by the continuous growth of this table due to caching and spam search terms. Even disabling search suggestions or enabling ElasticSearch does not fully resolve the problem. Proposed solutions, such as altering the query or asynchronously inserting search terms, only address symptoms. They ignore the core issue of the costly MySQL inserts due to the high number of unique search terms. Consequently, a holistic solution must enhance query performance and ensure overall database health to restore Magento's performance and user trust.

Full article here: https://medium.com/@lawsuithelpdesk/overcoming-magentos-achilles-heel-the-database-strain-conundrum-and-the-search-for-the-perfect-3bdcc61a53f2