{"id":7180,"date":"2026-02-12T18:11:45","date_gmt":"2026-02-12T18:11:45","guid":{"rendered":"https:\/\/www.prolimehost.com\/blogs\/?p=7180"},"modified":"2026-02-12T18:11:47","modified_gmt":"2026-02-12T18:11:47","slug":"how-to-optimize-mysql-performance-on-a-linux-vps","status":"publish","type":"post","link":"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/","title":{"rendered":"How to Optimize MySQL Performance on a Linux VPS"},"content":{"rendered":"\n<p>A Linux VPS with poor <a href=\"https:\/\/www.mysql.com\/\" target=\"_blank\" rel=\"noopener\" title=\"MySQL\">MySQL<\/a> performance can result in slow websites, API delays, and server overload. Optimizing MySQL will improve stability, resource usage, and speed of queries, whether you&#8217;re running WordPress, e-commerce, or custom applications. MySQL performance optimization isn&#8217;t just about speed. It&#8217;s also about reliability, scalability, and efficient CPU and memory usage.<\/p>\n\n\n\n<p>This guide will explain how to optimize MySQL for a Linux VPS. It includes practical explanations and examples of real-world configurations.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#How_to_Optimize_MySQL_Performance_on_a_Linux_VPS\" >How to Optimize MySQL Performance on a Linux VPS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Prerequisites\" >Prerequisites<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_1_Check_MySQL_Server_Status\" >Step 1: Check MySQL Server Status<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_2_Identify_Current_Resource_Usage\" >Step 2: Identify Current Resource Usage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_3_Enable_MySQL_Slow_Query_Log\" >Step 3: Enable MySQL Slow Query Log<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_4_Analyze_Slow_Queries\" >Step 4: Analyze Slow Queries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_5_Optimize_Database_Indexes\" >Step 5: Optimize Database Indexes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_6_Tune_InnoDB_Buffer_Pool_Size\" >Step 6: Tune InnoDB Buffer Pool Size<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_7_Optimize_Query_Cache_If_Enabled\" >Step 7: Optimize Query Cache (If Enabled)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_8_Adjust_Max_Connections\" >Step 8: Adjust Max Connections<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_9_Optimize_Temporary_Tables\" >Step 9: Optimize Temporary Tables<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_10_Enable_MySQL_Performance_Schema\" >Step 10: Enable MySQL Performance Schema<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_11_Optimize_Disk_and_Storage_Engine\" >Step 11: Optimize Disk and Storage Engine<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_12_Optimize_MySQL_Configuration_File_mycnf\" >Step 12: Optimize MySQL Configuration File (my.cnf)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_13_Restart_MySQL_After_Changes\" >Step 13: Restart MySQL After Changes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_14_Regularly_Optimize_Tables\" >Step 14: Regularly Optimize Tables<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_15_Use_Proper_Data_Types\" >Step 15: Use Proper Data Types<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_16_Limit_SELECT_Queries\" >Step 16: Limit SELECT * Queries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Step_17_Monitor_MySQL_with_Tools\" >Step 17: Monitor MySQL with Tools<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Common_MySQL_Performance_Issues\" >Common MySQL Performance Issues<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.prolimehost.com\/blogs\/how-to-optimize-mysql-performance-on-a-linux-vps\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Optimize_MySQL_Performance_on_a_Linux_VPS\"><\/span>How to Optimize MySQL Performance on a Linux VPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To optimize MySQL performance on Linux VPS, you need to combine a proper configuration with efficient query design and resource monitoring. You also need regular maintenance. You can improve database performance by enabling slow query logging, tuning the memory usage, optimizing indexes, and monitoring system resources.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prerequisites\"><\/span>Prerequisites<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Before starting, ensure you have:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A Linux VPS (Ubuntu, Debian, CentOS, Rocky Linux)<\/li>\n\n\n\n<li>Install MySQL or MariaDB<\/li>\n\n\n\n<li>SSH with sudo privileges<\/li>\n\n\n\n<li>Basic understanding of Linux commands<\/li>\n<\/ul>\n\n\n\n<p>If you don&#8217;t have MySQL on the system, install it via the command:&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>sudo apt install mysql-server -y<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-2-1024x512.png\" alt=\"sudo apt install mysql-server -y\" class=\"wp-image-7181\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-2-1024x512.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-2-300x150.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-2-512x256.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-2-920x460.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-2.png 1114w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Check_MySQL_Server_Status\"><\/span>Step 1: Check MySQL Server Status<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Check the service status to ensure MySQL is active and responsive. By checking the status of MySQL&#8217;s service, you can ensure that it is responsive and active.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>sudo systemctl status mysql<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"496\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-3-1024x496.png\" alt=\"sudo systemctl status mysql\" class=\"wp-image-7182\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-3-1024x496.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-3-300x145.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-3-512x248.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-3-920x446.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-3.png 1129w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>This helps to eliminate crashes or misconfigurations before tuning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Identify_Current_Resource_Usage\"><\/span>Step 2: Identify Current Resource Usage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Understanding how MySQL uses memory and CPU helps you optimize. Slow queries or crashes are often caused by high load or memory exhaustion.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>top<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"547\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-6-1024x547.png\" alt=\"top\" class=\"wp-image-7185\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-6-1024x547.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-6-300x160.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-6-512x273.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-6-920x491.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-6.png 1113w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Monitoring tools can reveal if MySQL is the bottleneck.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Enable_MySQL_Slow_Query_Log\"><\/span>Step 3: Enable MySQL Slow Query Log<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>This log records queries that take too long. This can help identify SQL statements that are inefficient and need to be optimized.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>SET GLOBAL slow_query_log = &#8216;ON&#8217;;SET GLOBAL long_query_time = 2;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"193\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-5-1024x193.png\" alt=\"SET GLOBAL slow_query_log = 'ON';SET GLOBAL long_query_time = 2;\" class=\"wp-image-7184\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-5-1024x193.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-5-300x57.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-5-512x97.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-5-920x173.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-5.png 1103w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>The biggest impact on performance is to fix slow queries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Analyze_Slow_Queries\"><\/span>Step 4: Analyze Slow Queries<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>After slow queries have been logged, an analysis of them will reveal which indexes and query structures require improvement.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>sudo tail -f \/var\/log\/mysql\/error.log<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"454\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-7-1024x454.png\" alt=\"sudo tail -f \/var\/log\/mysql\/error.log\" class=\"wp-image-7186\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-7-1024x454.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-7-300x133.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-7-512x227.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-7-920x408.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-7.png 1133w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Instead of guessing, this step allows you to pinpoint performance issues.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_Optimize_Database_Indexes\"><\/span>Step 5: Optimize Database Indexes<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>MySQL can locate data more quickly with the help of indexes. Incorrect or missing indexes can cause full table scans, which slow down queries.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>CREATE INDEX idx_user_email ON `user` (email);<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"172\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-4-1024x172.png\" alt=\"CREATE INDEX idx_user_email ON `user` (email);\" class=\"wp-image-7183\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-4-1024x172.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-4-300x50.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-4-512x86.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-4-920x155.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-4.png 1129w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>The query speed is dramatically improved by adding proper indexes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_6_Tune_InnoDB_Buffer_Pool_Size\"><\/span>Step 6: Tune InnoDB Buffer Pool Size<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>InnoDB&#8217;s buffer pool stores data and indexes. If the buffer pool is too small, MySQL will read from disk more frequently, which reduces performance.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>innodb_buffer_pool_size = 2G<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"485\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-10-1024x485.png\" alt=\"innodb_buffer_pool_size = 2G\" class=\"wp-image-7189\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-10-1024x485.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-10-300x142.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-10-512x243.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-10-920x436.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-10.png 1120w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>It is best to set it at 60-70% RAM.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_7_Optimize_Query_Cache_If_Enabled\"><\/span>Step 7: Optimize Query Cache (If Enabled)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The query cache may improve performance on systems with heavy workloads that are read-intensive, but it can slow down heavily write-intensive systems.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>SHOW VARIABLES LIKE &#8216;query_cache%&#8217;;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"141\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-8-1024x141.png\" alt=\"SHOW VARIABLES LIKE 'query_cache%';\" class=\"wp-image-7187\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-8-1024x141.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-8-300x41.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-8-512x70.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-8-920x126.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-8.png 1113w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>It&#8217;s not enabled by default in modern MySQL versions, but you should check.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_8_Adjust_Max_Connections\"><\/span>Step 8: Adjust Max Connections<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>MySQL will slow down or crash if it has too many connections open.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>max_connections = 150<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"486\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-9-1024x486.png\" alt=\"max_connections = 150\" class=\"wp-image-7188\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-9-1024x486.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-9-300x142.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-9-512x243.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-9-920x437.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-9.png 1118w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Limiting connections ensures stable performance under load.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_9_Optimize_Temporary_Tables\"><\/span>Step 9: Optimize Temporary Tables<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Large temporary tables that are written to disk can slow down queries. Performance is improved by increasing the size of temporary tables in memory.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>tmp_table_size = 64Mmax_heap_table_size = 64M<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"487\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-12-1024x487.png\" alt=\"tmp_table_size = 64Mmax_heap_table_size = 64M\" class=\"wp-image-7191\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-12-1024x487.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-12-300x143.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-12-512x243.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-12-920x437.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-12.png 1111w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>This step is important, especially for complex SELECT queries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_10_Enable_MySQL_Performance_Schema\"><\/span>Step 10: Enable MySQL Performance Schema<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Performance Schema gathers detailed execution metrics. It can help diagnose performance bottlenecks on a granular basis.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>performance_schema = ON<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"477\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-11-1024x477.png\" alt=\"performance_schema = ON\" class=\"wp-image-7190\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-11-1024x477.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-11-300x140.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-11-512x239.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-11-920x429.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-11.png 1129w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>This tool is very useful for monitoring and advanced optimization.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_11_Optimize_Disk_and_Storage_Engine\"><\/span>Step 11: Optimize Disk and Storage Engine<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>InnoDB and <a href=\"https:\/\/www.prolimehost.com\/ssd-vps-server\/\">SSD storage<\/a> ensure faster disk I\/O and better concurrency management.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>SHOW TABLE STATUS;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"594\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-13-1024x594.png\" alt=\"SHOW TABLE STATUS;\" class=\"wp-image-7192\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-13-1024x594.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-13-300x174.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-13-512x297.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-13-920x534.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-13.png 1129w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_12_Optimize_MySQL_Configuration_File_mycnf\"><\/span>Step 12: Optimize MySQL Configuration File (my.cnf)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The MySQL configuration file is responsible for controlling server behavior. Even small adjustments can improve performance. Always back up the file before editing.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>sudo nano \/etc\/mysql\/my.cnf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"486\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-14-1024x486.png\" alt=\"sudo nano \/etc\/mysql\/my.cnf\" class=\"wp-image-7193\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-14-1024x486.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-14-300x142.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-14-512x243.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-14-920x437.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-14.png 1110w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_13_Restart_MySQL_After_Changes\"><\/span>Step 13: Restart MySQL After Changes<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>MySQL must be restarted to apply configuration changes. When you restart, new memory and performance settings are applied.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>sudo systemctl restart mysql<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"83\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-15-1024x83.png\" alt=\"sudo systemctl restart mysql\" class=\"wp-image-7194\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-15-1024x83.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-15-300x24.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-15-512x41.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-15-920x74.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-15.png 1125w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_14_Regularly_Optimize_Tables\"><\/span>Step 14: Regularly Optimize Tables<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Tables become fragmented over time. By optimizing them, you can improve read performance and decrease storage usage.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>OPTIMIZE TABLE user;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"482\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-16-1024x482.png\" alt=\"OPTIMIZE TABLE user;\" class=\"wp-image-7195\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-16-1024x482.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-16-300x141.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-16-512x241.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-16-920x433.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-16.png 1127w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>This is a useful step for tables that are frequently updated.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_15_Use_Proper_Data_Types\"><\/span>Step 15: Use Proper Data Types<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>By using the correct data types, you can reduce storage and increase index efficiency. Faster queries are possible with smaller data types.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>INT instead of BIGINTVARCHAR(100) instead of TEXT<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_16_Limit_SELECT_Queries\"><\/span>Step 16: Limit SELECT * Queries<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The memory and data transfer are increased when you select columns that are not necessary.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>SELECT id, name, email, created_at FROM my_db.`user`LIMIT 3;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"392\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-17-1024x392.png\" alt=\"SELECT id, name, email, created_at FROM my_db.`user`LIMIT 3;\" class=\"wp-image-7196\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-17-1024x392.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-17-300x115.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-17-512x196.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-17-920x352.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-17.png 1122w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>For better performance, only fetch the columns you need.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_17_Monitor_MySQL_with_Tools\"><\/span>Step 17: Monitor MySQL with Tools<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Monitoring tools track performance and identify issues early. MySQLTuner is a popular option, as are Percona Toolkit and Monit.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>sudo apt install mysqltuner<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"316\" src=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-18-1024x316.png\" alt=\"mysqltuner\" class=\"wp-image-7197\" srcset=\"https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-18-1024x316.png 1024w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-18-300x92.png 300w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-18-512x158.png 512w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-18-920x284.png 920w, https:\/\/www.prolimehost.com\/blogs\/wp-content\/uploads\/sites\/4\/image-18.png 1119w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_MySQL_Performance_Issues\"><\/span>Common MySQL Performance Issues<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Missing indexes<\/li>\n\n\n\n<li>Insufficient RAM allocation<\/li>\n\n\n\n<li>Poor query design<\/li>\n\n\n\n<li>Excessive connections<\/li>\n\n\n\n<li>Disk I\/O bottlenecks<\/li>\n<\/ul>\n\n\n\n<p>Identifying these early prevents downtime.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Optimizing MySQL performance on a Linux VPS involves tuning memory settings such as the InnoDB buffer pool, enabling and analyzing slow query logs, optimizing indexes, limiting unnecessary connections, and improving query efficiency. By adjusting MySQL configuration parameters, using proper data types, monitoring resource usage, and maintaining tables regularly, you can significantly reduce query execution time, improve stability, and ensure your database performs efficiently under load.<\/p>\n","protected":false},"excerpt":{"rendered":"A Linux VPS with poor MySQL performance can result in slow websites, API delays, and server overload. Optimizing&hellip;","protected":false},"author":5,"featured_media":7203,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"csco_display_header_overlay":false,"csco_singular_sidebar":"","csco_page_header_type":"","footnotes":""},"categories":[10],"tags":[285,283,282,284,286],"class_list":{"0":"post-7180","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tutorials-tips","8":"tag-databases","9":"tag-linux-vps","10":"tag-mysql","11":"tag-mysql-performance","12":"tag-optimizing-mysql","13":"cs-entry"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/posts\/7180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/comments?post=7180"}],"version-history":[{"count":5,"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/posts\/7180\/revisions"}],"predecessor-version":[{"id":7202,"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/posts\/7180\/revisions\/7202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/media\/7203"}],"wp:attachment":[{"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/media?parent=7180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/categories?post=7180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prolimehost.com\/blogs\/wp-json\/wp\/v2\/tags?post=7180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}