{"id":75776,"date":"2024-10-16T01:08:18","date_gmt":"2024-10-15T17:08:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75776\/"},"modified":"2024-10-16T01:08:18","modified_gmt":"2024-10-15T17:08:18","slug":"mysql-%e5%8f%83%e6%95%b8delay_key_write%e7%9a%84%e8%a9%b3%e7%b4%b0%e8%aa%aa%e6%98%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75776\/","title":{"rendered":"MySQL \u53c3\u6578DELAY_KEY_WRITE\u7684\u8a73\u7d30\u8aaa\u660e"},"content":{"rendered":"<h1 id=\"mysql-%e5%8f%83%e6%95%b8delay_key_write%e7%9a%84%e8%a9%b3%e7%b4%b0%e8%aa%aa%e6%98%8e-dbDACgmuAn\">MySQL \u53c3\u6578DELAY_KEY_WRITE\u7684\u8a73\u7d30\u8aaa\u660e<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u6027\u80fd\u512a\u5316\u662f\u6bcf\u4f4d\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u90fd\u5fc5\u9808\u9762\u5c0d\u7684\u6311\u6230\u4e4b\u4e00\u3002MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u53c3\u6578\u4f86\u5e6b\u52a9\u7528\u6236\u8abf\u6574\u6578\u64da\u5eab\u7684\u884c\u70ba\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f<code>DELAY_KEY_WRITE<\/code>\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u53c3\u6578\u7684\u529f\u80fd\u3001\u4f7f\u7528\u5834\u666f\u53ca\u5176\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdelay_key_write%ef%bc%9f-dbDACgmuAn\">\u4ec0\u9ebc\u662fDELAY_KEY_WRITE\uff1f<\/h2>\n<p><code>DELAY_KEY_WRITE<\/code>\u662f\u4e00\u500bMySQL\u7684\u8868\u7d1a\u53c3\u6578\uff0c\u4e3b\u8981\u7528\u65bc\u63a7\u5236\u7d22\u5f15\u7684\u5beb\u5165\u884c\u70ba\u3002\u7576\u9019\u500b\u53c3\u6578\u88ab\u8a2d\u7f6e\u70ba<code>1<\/code>\uff08\u6216<code>ON<\/code>\uff09\u6642\uff0cMySQL\u6703\u5ef6\u9072\u5c0d\u7d22\u5f15\u7684\u5beb\u5165\u64cd\u4f5c\uff0c\u76f4\u5230\u8a72\u8868\u7684\u6578\u64da\u9801\u88ab\u5237\u65b0\u5230\u78c1\u789f\u3002\u9019\u610f\u5473\u8457\u5728\u9032\u884c\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u7d22\u5f15\u7684\u5beb\u5165\u4e0d\u6703\u7acb\u5373\u767c\u751f\uff0c\u800c\u662f\u6703\u5728\u7a0d\u5f8c\u7684\u6642\u9593\u9032\u884c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u78c1\u789fI\/O\u7684\u983b\u7387\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"delay_key_write%e7%9a%84%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-dbDACgmuAn\">DELAY_KEY_WRITE\u7684\u4f7f\u7528\u5834\u666f<\/h2>\n<p>\u9019\u500b\u53c3\u6578\u7279\u5225\u9069\u5408\u65bc\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u5beb\u5165\u8ca0\u8f09\u7684\u61c9\u7528\uff1a<\/strong>\u5982\u679c\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u7d93\u5e38\u9032\u884c\u5927\u91cf\u7684\u5beb\u5165\u64cd\u4f5c\uff0c\u8a2d\u7f6e<code>DELAY_KEY_WRITE<\/code>\u70ba<code>1<\/code>\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u78c1\u789fI\/O\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u4e0d\u9700\u8981\u5373\u6642\u7d22\u5f15\u66f4\u65b0\u7684\u5834\u666f\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u4e0d\u9700\u8981\u5373\u6642\u66f4\u65b0\u7d22\u5f15\uff0c\u4f8b\u5982\u6279\u91cf\u63d2\u5165\u6578\u64da\u6642\uff0c\u9019\u6642\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6b64\u53c3\u6578\u3002<\/li>\n<li><strong>\u4f7f\u7528InnoDB\u5b58\u5132\u5f15\u64ce\uff1a<\/strong>\u5c0d\u65bc\u4f7f\u7528InnoDB\u7684\u8868\uff0c<code>DELAY_KEY_WRITE<\/code>\u7684\u6548\u679c\u6703\u66f4\u52a0\u660e\u986f\uff0c\u56e0\u70baInnoDB\u672c\u8eab\u5c31\u6709\u8f03\u597d\u7684\u7de9\u5b58\u6a5f\u5236\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%aedelay_key_write-dbDACgmuAn\">\u5982\u4f55\u8a2d\u7f6eDELAY_KEY_WRITE<\/h2>\n<p>\u8981\u8a2d\u7f6e<code>DELAY_KEY_WRITE<\/code>\uff0c\u53ef\u4ee5\u5728\u5275\u5efa\u8868\u6642\u6307\u5b9a\uff0c\u6216\u8005\u5728\u8868\u5df2\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528<code>ALTER TABLE<\/code>\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u5169\u7a2e\u8a2d\u7f6e\u65b9\u6cd5\u7684\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e8%a1%a8%e6%99%82%e8%a8%ad%e7%bd%ae-dbDACgmuAn\">\u5275\u5efa\u8868\u6642\u8a2d\u7f6e<\/h3>\n<pre><code>CREATE TABLE example (\n    id INT PRIMARY KEY,\n    name VARCHAR(100)\n) ENGINE=InnoDB DELAY_KEY_WRITE=1;<\/code><\/pre>\n<h3 id=\"%e4%bf%ae%e6%94%b9%e5%b7%b2%e5%ad%98%e5%9c%a8%e7%9a%84%e8%a1%a8-dbDACgmuAn\">\u4fee\u6539\u5df2\u5b58\u5728\u7684\u8868<\/h3>\n<pre><code>ALTER TABLE example DELAY_KEY_WRITE=1;<\/code><\/pre>\n<h2 id=\"delay_key_write%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-dbDACgmuAn\">DELAY_KEY_WRITE\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136<code>DELAY_KEY_WRITE<\/code>\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u4e5f\u6709\u4e00\u4e9b\u6f5b\u5728\u7684\u98a8\u96aa\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5982\u679c\u5728\u5beb\u5165\u904e\u7a0b\u4e2d\u767c\u751f\u5d29\u6f70\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7d22\u5f15\u4e0d\u4e00\u81f4\uff0c\u5f9e\u800c\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u67e5\u8a62\u6027\u80fd\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5ef6\u9072\u5beb\u5165\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\uff0c\u7279\u5225\u662f\u7576\u67e5\u8a62\u9700\u8981\u5373\u6642\u7d22\u5f15\u6642\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5728\u4f7f\u7528<code>DELAY_KEY_WRITE<\/code>\u6642\uff0c\u5efa\u8b70\u4ed4\u7d30\u8a55\u4f30\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dbDACgmuAn\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c<code>DELAY_KEY_WRITE<\/code>\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5728\u7279\u5b9a\u60c5\u6cc1\u4e0b\u512a\u5316MySQL\u7684\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u7f6e\u548c\u4f7f\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u9ad8\u5beb\u5165\u8ca0\u8f09\u7684\u74b0\u5883\u4e2d\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u4f7f\u7528\u6b64\u53c3\u6578\u6642\u4e5f\u9700\u8b39\u614e\uff0c\u4ee5\u907f\u514d\u6f5b\u5728\u7684\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<code>VPS<\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u5982<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\uff0c\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u8868\u73fe\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u53c3\u6578DELAY_KEY_WRITE\u7684\u529f\u80fd\u3001\u512a\u52e2\u53ca\u5176\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\uff0c\u5e6b\u52a9\u512a\u5316\u6578\u64da\u5eab\u5beb\u5165\u64cd\u4f5c\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-75776","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75776","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=75776"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75776\/revisions"}],"predecessor-version":[{"id":75777,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75776\/revisions\/75777"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}