{"id":177019,"date":"2024-11-08T12:40:20","date_gmt":"2024-11-08T04:40:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177019\/"},"modified":"2024-11-08T12:40:21","modified_gmt":"2024-11-08T04:40:21","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e7%b8%bd%e9%8e%96%e6%95%b8%e8%b6%85%e9%81%8e%e9%8e%96%e8%a1%a8%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177019\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u7e3d\u9396\u6578\u8d85\u904e\u9396\u8868\u5927\u5c0f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e7%b8%bd%e9%8e%96%e6%95%b8%e8%b6%85%e9%81%8e%e9%8e%96%e8%a1%a8%e5%a4%a7%e5%b0%8f-lQphMBYXbs\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u7e3d\u9396\u6578\u8d85\u904e\u9396\u8868\u5927\u5c0f<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u300c\u7e3d\u9396\u6578\u8d85\u904e\u9396\u8868\u5927\u5c0f\u300d\u7684\u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\uff0c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e6%88%90%e5%9b%a0-lQphMBYXbs\">\u932f\u8aa4\u6210\u56e0<\/h2>\n<p>MySQL\u7684\u9396\u5b9a\u6a5f\u5236\u662f\u7528\u4f86\u4fdd\u8b77\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u7576\u591a\u500b\u4e8b\u52d9\u540c\u6642\u8a2a\u554f\u540c\u4e00\u6578\u64da\u6642\uff0cMySQL\u6703\u4f7f\u7528\u9396\u4f86\u9632\u6b62\u6578\u64da\u885d\u7a81\u3002\u7136\u800c\uff0c\u7576\u540c\u6642\u9396\u5b9a\u7684\u884c\u6578\u8d85\u904e\u4e86MySQL\u7684\u8a2d\u5b9a\u9650\u5236\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u300c\u7e3d\u9396\u6578\u8d85\u904e\u9396\u8868\u5927\u5c0f\u300d\u7684\u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u4f75\u767c\u64cd\u4f5c\uff1a<\/strong>\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u5c0d\u540c\u4e00\u8868\u9032\u884c\u5927\u91cf\u7684\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u9396\u7684\u6578\u91cf\u6703\u8fc5\u901f\u589e\u52a0\u3002<\/li>\n<li><strong>\u9577\u6642\u9593\u904b\u884c\u7684\u4e8b\u52d9\uff1a<\/strong>\u5982\u679c\u4e00\u500b\u4e8b\u52d9\u6301\u6709\u9396\u7684\u6642\u9593\u904e\u9577\uff0c\u5176\u4ed6\u4e8b\u52d9\u5c31\u7121\u6cd5\u7372\u5f97\u6240\u9700\u7684\u9396\uff0c\u5c0e\u81f4\u9396\u7684\u6578\u91cf\u4e0d\u65b7\u589e\u52a0\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u9396\u5b9a\u7b56\u7565\uff1a<\/strong>\u4f7f\u7528\u4e0d\u7576\u7684\u9396\u5b9a\u7b56\u7565\uff0c\u4f8b\u5982\u5728\u4e8b\u52d9\u4e2d\u9396\u5b9a\u904e\u591a\u7684\u884c\uff0c\u6703\u5c0e\u81f4\u9396\u7684\u6578\u91cf\u8d85\u904e\u9650\u5236\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-lQphMBYXbs\">\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe\u300c\u7e3d\u9396\u6578\u8d85\u904e\u9396\u8868\u5927\u5c0f\u300d\u7684\u932f\u8aa4\u6642\uff0c\u5c07\u6703\u5c0d\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u9020\u6210\u5f71\u97ff\u3002\u5177\u9ad4\u5f71\u97ff\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\uff0c\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<li>\u7528\u6236\u9ad4\u9a57\u4e0b\u964d\uff0c\u56e0\u70ba\u8acb\u6c42\u7121\u6cd5\u53ca\u6642\u8655\u7406\u3002<\/li>\n<li>\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-lQphMBYXbs\">\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u300c\u7e3d\u9396\u6578\u8d85\u904e\u9396\u8868\u5927\u5c0f\u300d\u7684\u932f\u8aa4\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e4%ba%8b%e5%8b%99-lQphMBYXbs\">1. \u512a\u5316\u4e8b\u52d9<\/h3>\n<p>\u78ba\u4fdd\u4e8b\u52d9\u7684\u57f7\u884c\u6642\u9593\u76e1\u53ef\u80fd\u77ed\u3002\u907f\u514d\u5728\u4e8b\u52d9\u4e2d\u57f7\u884c\u9577\u6642\u9593\u7684\u67e5\u8a62\u6216\u64cd\u4f5c\uff0c\u4e26\u76e1\u91cf\u6e1b\u5c11\u9396\u5b9a\u7684\u884c\u6578\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>START TRANSACTION;\nUPDATE your_table SET column1 = value1 WHERE condition;\nCOMMIT;<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e9%8e%96%e5%ae%9a%e7%ad%96%e7%95%a5-lQphMBYXbs\">2. \u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u7b56\u7565<\/h3>\n<p>\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u9396\u5b9a\u7b56\u7565\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u884c\u7d1a\u9396\u800c\u4e0d\u662f\u8868\u7d1a\u9396\uff0c\u4ee5\u6e1b\u5c11\u9396\u7684\u6578\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM your_table WHERE condition FOR UPDATE;<\/code><\/pre>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4mysql%e9%85%8d%e7%bd%ae-lQphMBYXbs\">3. \u8abf\u6574MySQL\u914d\u7f6e<\/h3>\n<p>\u53ef\u4ee5\u901a\u904e\u8abf\u6574MySQL\u7684\u914d\u7f6e\u4f86\u589e\u52a0\u9396\u7684\u6578\u91cf\u9650\u5236\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u53ef\u4ee5\u4fee\u6539\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>innodb_lock_wait_timeout<\/code>\uff1a\u8a2d\u7f6e\u9396\u7b49\u5f85\u7684\u8d85\u6642\u6642\u9593\u3002<\/li>\n<li><code>innodb_buffer_pool_size<\/code>\uff1a\u589e\u52a0\u7de9\u885d\u6c60\u7684\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90-lQphMBYXbs\">4. \u76e3\u63a7\u548c\u5206\u6790<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u4f7f\u7528\u5de5\u5177\u5982MySQL\u7684\u6027\u80fd\u6a21\u5f0f\uff08Performance Schema\uff09\u4f86\u5206\u6790\u9396\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lQphMBYXbs\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u4e4b\uff0c\u300c\u7e3d\u9396\u6578\u8d85\u904e\u9396\u8868\u5927\u5c0f\u300d\u7684\u932f\u8aa4\u662fMySQL\u4e2d\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\uff0c\u4e3b\u8981\u7531\u65bc\u9ad8\u4f75\u767c\u64cd\u4f5c\u3001\u9577\u6642\u9593\u904b\u884c\u7684\u4e8b\u52d9\u548c\u4e0d\u7576\u7684\u9396\u5b9a\u7b56\u7565\u5f15\u8d77\u3002\u901a\u904e\u512a\u5316\u4e8b\u52d9\u3001\u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u7b56\u7565\u3001\u8abf\u6574MySQL\u914d\u7f6e\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u9019\u4e00\u932f\u8aa4\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4\uff1a\u7e3d\u9396\u6578\u8d85\u904e\u9396\u8868\u5927\u5c0f\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u78ba\u4fdd\u7a69\u5b9a\u904b\u884c\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-177019","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177019","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=177019"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177019\/revisions"}],"predecessor-version":[{"id":177020,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177019\/revisions\/177020"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}