{"id":77146,"date":"2024-10-16T10:28:20","date_gmt":"2024-10-16T02:28:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/77146\/"},"modified":"2024-10-16T10:28:20","modified_gmt":"2024-10-16T02:28:20","slug":"mysql%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e4%b8%ad%e7%9a%84%e5%8f%83%e6%95%b8%e8%a9%b3%e7%b4%b0%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/77146\/","title":{"rendered":"MySQL\u6027\u80fd\u512a\u5316\u4e2d\u7684\u53c3\u6578\u8a73\u7d30\u89e3\u6790"},"content":{"rendered":"<h1 id=\"mysql%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e4%b8%ad%e7%9a%84%e5%8f%83%e6%95%b8%e8%a9%b3%e7%b4%b0%e8%a7%a3%e6%9e%90-vrZyJeuKbm\">MySQL\u6027\u80fd\u512a\u5316\u4e2d\u7684\u53c3\u6578\u8a73\u7d30\u89e3\u6790<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6027\u80fd\u512a\u5316\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u6027\u80fd\u512a\u5316\u4e2d\u7684\u95dc\u9375\u53c3\u6578\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u8abf\u6574\u9019\u4e9b\u53c3\u6578\u4ee5\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e9%87%8d%e8%a6%81%e5%8f%83%e6%95%b8%e6%a6%82%e8%bf%b0-vrZyJeuKbm\">1. \u91cd\u8981\u53c3\u6578\u6982\u8ff0<\/h2>\n<p>MySQL\u7684\u6027\u80fd\u512a\u5316\u6d89\u53ca\u591a\u500b\u53c3\u6578\u7684\u8abf\u6574\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u53c3\u6578\u53ca\u5176\u4f5c\u7528\uff1a<\/p>\n<ul>\n<li><strong>innodb_buffer_pool_size<\/strong>: \u9019\u662fInnoDB\u5b58\u5132\u5f15\u64ce\u7528\u4f86\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u5167\u5b58\u5340\u57df\u3002\u901a\u5e38\u5efa\u8b70\u5c07\u5176\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768470-80%\u3002<\/li>\n<li><strong>max_connections<\/strong>: \u6b64\u53c3\u6578\u5b9a\u7fa9\u4e86\u540c\u6642\u9023\u63a5\u5230\u6578\u64da\u5eab\u7684\u6700\u5927\u5ba2\u6236\u7aef\u6578\u91cf\u3002\u6839\u64da\u61c9\u7528\u9700\u6c42\u8abf\u6574\u6b64\u503c\u53ef\u4ee5\u907f\u514d\u9023\u63a5\u904e\u591a\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>query_cache_size<\/strong>: \u67e5\u8a62\u7de9\u5b58\u7684\u5927\u5c0f\uff0c\u9069\u7576\u7684\u8a2d\u7f6e\u53ef\u4ee5\u63d0\u9ad8\u91cd\u8907\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u4f46\u5728\u9ad8\u5beb\u5165\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\uff0c\u67e5\u8a62\u7de9\u5b58\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>tmp_table_size<\/strong> \u548c <strong>max_heap_table_size<\/strong>: \u9019\u5169\u500b\u53c3\u6578\u5b9a\u7fa9\u4e86\u81e8\u6642\u8868\u7684\u6700\u5927\u5927\u5c0f\uff0c\u9069\u7576\u7684\u8a2d\u7f6e\u53ef\u4ee5\u6e1b\u5c11\u78c1\u789fI\/O\uff0c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%8f%83%e6%95%b8%e8%a9%b3%e7%b4%b0%e8%a7%a3%e6%9e%90-vrZyJeuKbm\">2. \u53c3\u6578\u8a73\u7d30\u89e3\u6790<\/h2>\n<h3 id=\"2-1-innodb_buffer_pool_size-vrZyJeuKbm\">2.1 innodb_buffer_pool_size<\/h3>\n<p>\u9019\u500b\u53c3\u6578\u5c0d\u65bcInnoDB\u5b58\u5132\u5f15\u64ce\u81f3\u95dc\u91cd\u8981\u3002\u5b83\u6c7a\u5b9a\u4e86InnoDB\u53ef\u4ee5\u4f7f\u7528\u591a\u5c11\u5167\u5b58\u4f86\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u3002\u8a2d\u7f6e\u904e\u5c0f\u6703\u5c0e\u81f4\u983b\u7e41\u7684\u78c1\u789fI\/O\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u770b\u7576\u524d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'innodb_buffer_pool_size';<\/code><\/pre>\n<p>\u8981\u8abf\u6574\u6b64\u53c3\u6578\uff0c\u53ef\u4ee5\u5728MySQL\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u6216\u4fee\u6539\uff1a<\/p>\n<pre><code>innodb_buffer_pool_size = 2G<\/code><\/pre>\n<h3 id=\"2-2-max_connections-vrZyJeuKbm\">2.2 max_connections<\/h3>\n<p>\u6b64\u53c3\u6578\u63a7\u5236\u540c\u6642\u9023\u63a5\u5230MySQL\u7684\u5ba2\u6236\u7aef\u6578\u91cf\u3002\u904e\u4f4e\u7684\u8a2d\u7f6e\u53ef\u80fd\u6703\u5c0e\u81f4\u9023\u63a5\u88ab\u62d2\u7d55\uff0c\u800c\u904e\u9ad8\u7684\u8a2d\u7f6e\u5247\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u8cc7\u6e90\u8017\u76e1\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'max_connections';<\/code><\/pre>\n<p>\u8abf\u6574\u6b64\u53c3\u6578\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>max_connections = 200<\/code><\/pre>\n<h3 id=\"2-3-query_cache_size-vrZyJeuKbm\">2.3 query_cache_size<\/h3>\n<p>\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u5728\u9ad8\u5beb\u5165\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\uff0c\u67e5\u8a62\u7de9\u5b58\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'query_cache_size';<\/code><\/pre>\n<p>\u8abf\u6574\u67e5\u8a62\u7de9\u5b58\u7684\u5927\u5c0f\uff1a<\/p>\n<pre><code>query_cache_size = 64M<\/code><\/pre>\n<h3 id=\"2-4-tmp_table_size-%e5%92%8c-max_heap_table_size-vrZyJeuKbm\">2.4 tmp_table_size \u548c max_heap_table_size<\/h3>\n<p>\u9019\u5169\u500b\u53c3\u6578\u63a7\u5236\u81e8\u6642\u8868\u7684\u5927\u5c0f\u3002\u9069\u7576\u7684\u8a2d\u7f6e\u53ef\u4ee5\u6e1b\u5c11\u78c1\u789fI\/O\uff0c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'tmp_table_size';<\/code><\/pre>\n<p>\u8abf\u6574\u9019\u4e9b\u53c3\u6578\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>tmp_table_size = 64M\nmax_heap_table_size = 64M<\/code><\/pre>\n<h2 id=\"3-%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7%e8%88%87%e8%aa%bf%e6%95%b4-vrZyJeuKbm\">3. \u6027\u80fd\u76e3\u63a7\u8207\u8abf\u6574<\/h2>\n<p>\u5728\u8abf\u6574MySQL\u53c3\u6578\u5f8c\uff0c\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528MySQL\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982 <code>SHOW STATUS<\/code> \u547d\u4ee4\uff0c\u4f86\u7372\u53d6\u6709\u95dc\u7576\u524d\u6027\u80fd\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u6839\u64da\u76e3\u63a7\u7d50\u679c\uff0c\u9032\u4e00\u6b65\u8abf\u6574\u53c3\u6578\u4ee5\u9054\u5230\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vrZyJeuKbm\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6027\u80fd\u512a\u5316\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u901a\u904e\u5c0d\u95dc\u9375\u53c3\u6578\u7684\u8abf\u6574\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4e86\u89e3\u6bcf\u500b\u53c3\u6578\u7684\u4f5c\u7528\u53ca\u5176\u6700\u4f73\u8a2d\u7f6e\u662f\u6210\u529f\u7684\u95dc\u9375\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u900f\u904e\u5c08\u696d\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u670d\u52d9\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4f9d\u7136\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790MySQL\u6027\u80fd\u512a\u5316\u4e2d\u7684\u95dc\u9375\u53c3\u6578\uff0c\u52a9\u60a8\u63d0\u5347\u6578\u64da\u5eab\u6548\u80fd\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u67e5\u8a62\u548c\u66f4\u9ad8\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-77146","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=77146"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77146\/revisions"}],"predecessor-version":[{"id":77147,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77146\/revisions\/77147"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=77146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=77146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=77146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}