{"id":189486,"date":"2024-11-12T08:11:21","date_gmt":"2024-11-12T00:11:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189486\/"},"modified":"2024-11-12T08:11:22","modified_gmt":"2024-11-12T00:11:22","slug":"%e7%aa%81%e7%84%b6%e6%8e%89%e9%9b%bb%ef%bc%8c%e7%82%ba%e5%95%a5mysql%e4%b9%9f%e4%b8%8d%e6%9c%83%e4%b8%9f%e5%a4%b1%e6%95%b8%e6%93%9a%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189486\/","title":{"rendered":"\u7a81\u7136\u6389\u96fb\uff0c\u70ba\u5565MySQL\u4e5f\u4e0d\u6703\u4e1f\u5931\u6578\u64da\uff1f"},"content":{"rendered":"<h1 id=\"%e7%aa%81%e7%84%b6%e6%8e%89%e9%9b%bb%ef%bc%8c%e7%82%ba%e5%95%a5mysql%e4%b9%9f%e4%b8%8d%e6%9c%83%e4%b8%9f%e5%a4%b1%e6%95%b8%e6%93%9a%ef%bc%9f-lAWnSkwxvA\">\u7a81\u7136\u6389\u96fb\uff0c\u70ba\u5565MySQL\u4e5f\u4e0d\u6703\u4e1f\u5931\u6578\u64da\uff1f<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u7ba1\u7406\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u3002\u7136\u800c\uff0c\u8a31\u591a\u7528\u6236\u5728\u4f7f\u7528MySQL\u6642\uff0c\u53ef\u80fd\u6703\u64d4\u5fc3\u5728\u7a81\u7136\u6389\u96fb\u6216\u7cfb\u7d71\u5d29\u6f70\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u662f\u5426\u6703\u4e1f\u5931\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u5982\u4f55\u4fdd\u8b77\u6578\u64da\uff0c\u4e26\u89e3\u91cb\u5176\u80cc\u5f8c\u7684\u6280\u8853\u539f\u7406\u3002<\/p>\n<h2 id=\"mysql%e7%9a%84%e6%95%b8%e6%93%9a%e6%8c%81%e4%b9%85%e6%80%a7-lAWnSkwxvA\">MySQL\u7684\u6578\u64da\u6301\u4e45\u6027<\/h2>\n<p>MySQL\u7684\u6578\u64da\u6301\u4e45\u6027\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5176\u5b58\u5132\u5f15\u64ce\u7684\u8a2d\u8a08\u3002MySQL\u652f\u6301\u591a\u7a2e\u5b58\u5132\u5f15\u64ce\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662fInnoDB\u3002InnoDB\u63d0\u4f9b\u4e86\u4e8b\u52d9\u652f\u6301\u548c\u6578\u64da\u6301\u4e45\u6027\uff0c\u9019\u610f\u5473\u8457\u5373\u4f7f\u5728\u610f\u5916\u6389\u96fb\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u4e5f\u80fd\u5920\u4fdd\u6301\u5b8c\u6574\u3002<\/p>\n<h3 id=\"%e4%ba%8b%e5%8b%99%e5%92%8cacid%e7%89%b9%e6%80%a7-lAWnSkwxvA\">\u4e8b\u52d9\u548cACID\u7279\u6027<\/h3>\n<p>InnoDB\u5b58\u5132\u5f15\u64ce\u9075\u5faaACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u3001\u6301\u4e45\u6027\uff09\u7279\u6027\u3002\u9019\u4e9b\u7279\u6027\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u53ef\u9760\u6027\u548c\u5b8c\u6574\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>\u4e8b\u52d9\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong>\u4e8b\u52d9\u7684\u57f7\u884c\u4e0d\u6703\u7834\u58de\u6578\u64da\u5eab\u7684\u5b8c\u6574\u6027\u7d04\u675f\u3002<\/li>\n<li><strong>\u9694\u96e2\u6027\uff1a<\/strong>\u540c\u6642\u57f7\u884c\u7684\u4e8b\u52d9\u4e0d\u6703\u4e92\u76f8\u5e72\u64fe\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff1a<\/strong>\u4e00\u65e6\u4e8b\u52d9\u63d0\u4ea4\uff0c\u6578\u64da\u7684\u8b8a\u66f4\u5c07\u6c38\u4e45\u4fdd\u5b58\uff0c\u5373\u4f7f\u7cfb\u7d71\u5d29\u6f70\u4e5f\u4e0d\u6703\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%97%a5%e8%aa%8c%e6%a9%9f%e5%88%b6-lAWnSkwxvA\">\u65e5\u8a8c\u6a5f\u5236<\/h3>\n<p>InnoDB\u4f7f\u7528\u4e86\u5169\u7a2e\u65e5\u8a8c\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\uff1a\u91cd\u505a\u65e5\u8a8c\uff08Redo Log\uff09\u548c\u64a4\u92b7\u65e5\u8a8c\uff08Undo Log\uff09\u3002\u91cd\u505a\u65e5\u8a8c\u8a18\u9304\u4e86\u6240\u6709\u5c0d\u6578\u64da\u7684\u4fee\u6539\u64cd\u4f5c\uff0c\u800c\u64a4\u92b7\u65e5\u8a8c\u5247\u7528\u65bc\u56de\u6efe\u672a\u63d0\u4ea4\u7684\u4e8b\u52d9\u3002<\/p>\n<p>\u7576\u6578\u64da\u88ab\u4fee\u6539\u6642\uff0c\u9019\u4e9b\u4fee\u6539\u9996\u5148\u6703\u88ab\u5beb\u5165\u91cd\u505a\u65e5\u8a8c\uff0c\u7136\u5f8c\u518d\u5beb\u5165\u6578\u64da\u6587\u4ef6\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u5728\u6389\u96fb\u7684\u60c5\u6cc1\u4e0b\uff0c\u91cd\u505a\u65e5\u8a8c\u4e2d\u7684\u4fe1\u606f\u53ef\u4ee5\u7528\u4f86\u6062\u5fa9\u6578\u64da\u3002\u5177\u9ad4\u904e\u7a0b\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nSTART TRANSACTION;\nUPDATE users SET balance = balance - 100 WHERE id = 1;\n-- \u6b64\u6642\uff0c\u4fee\u6539\u6703\u88ab\u5beb\u5165\u91cd\u505a\u65e5\u8a8c\nCOMMIT;\n-- \u63d0\u4ea4\u5f8c\uff0c\u6578\u64da\u624d\u6703\u5beb\u5165\u6578\u64da\u6587\u4ef6\n<\/code><\/pre>\n<h2 id=\"%e8%87%aa%e5%8b%95%e6%81%a2%e5%be%a9%e6%a9%9f%e5%88%b6-lAWnSkwxvA\">\u81ea\u52d5\u6062\u5fa9\u6a5f\u5236<\/h2>\n<p>\u7576MySQL\u91cd\u65b0\u555f\u52d5\u6642\uff0c\u5b83\u6703\u81ea\u52d5\u6aa2\u67e5\u91cd\u505a\u65e5\u8a8c\uff0c\u4e26\u6839\u64da\u65e5\u8a8c\u4e2d\u7684\u4fe1\u606f\u6062\u5fa9\u672a\u5b8c\u6210\u7684\u4e8b\u52d9\u3002\u9019\u4e00\u904e\u7a0b\u7a31\u70ba\u5d29\u6f70\u6062\u5fa9\uff08Crash Recovery\uff09\u3002\u5728\u9019\u500b\u904e\u7a0b\u4e2d\uff0cMySQL\u6703\u78ba\u4fdd\u6240\u6709\u5df2\u63d0\u4ea4\u7684\u4e8b\u52d9\u90fd\u88ab\u6b63\u78ba\u5beb\u5165\u6578\u64da\u5eab\uff0c\u800c\u672a\u63d0\u4ea4\u7684\u4e8b\u52d9\u5247\u6703\u88ab\u64a4\u92b7\u3002<\/p>\n<h3 id=\"%e9%85%8d%e7%bd%ae%e9%81%b8%e9%a0%85-lAWnSkwxvA\">\u914d\u7f6e\u9078\u9805<\/h3>\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\uff0cMySQL\u63d0\u4f9b\u4e86\u4e00\u4e9b\u914d\u7f6e\u9078\u9805\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>innodb_flush_log_at_trx_commit\uff1a<\/strong>\u9019\u500b\u53c3\u6578\u63a7\u5236\u91cd\u505a\u65e5\u8a8c\u7684\u5237\u65b0\u884c\u70ba\u3002\u8a2d\u7f6e\u70ba1\u6642\uff0c\u6bcf\u6b21\u4e8b\u52d9\u63d0\u4ea4\u90fd\u6703\u5c07\u65e5\u8a8c\u5beb\u5165\u78c1\u789f\uff0c\u9019\u662f\u6700\u5b89\u5168\u7684\u9078\u64c7\u3002<\/li>\n<li><strong>innodb_flush_method\uff1a<\/strong>\u9019\u500b\u53c3\u6578\u6c7a\u5b9a\u4e86InnoDB\u5982\u4f55\u5c07\u6578\u64da\u5beb\u5165\u78c1\u789f\u3002\u9078\u64c7\u5408\u9069\u7684\u5beb\u5165\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u6578\u64da\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-lAWnSkwxvA\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cMySQL\u901a\u904e\u5176InnoDB\u5b58\u5132\u5f15\u64ce\u7684\u4e8b\u52d9\u652f\u6301\u3001\u65e5\u8a8c\u6a5f\u5236\u548c\u81ea\u52d5\u6062\u5fa9\u529f\u80fd\uff0c\u80fd\u5920\u6709\u6548\u5730\u9632\u6b62\u6578\u64da\u4e1f\u5931\uff0c\u5373\u4f7f\u5728\u7a81\u7136\u6389\u96fb\u7684\u60c5\u6cc1\u4e0b\u3002\u9019\u4e9b\u6280\u8853\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u6301\u4e45\u6027\u548c\u5b8c\u6574\u6027\uff0c\u4f7f\u5f97MySQL\u6210\u70ba\u4e00\u500b\u53ef\u9760\u7684\u6578\u64da\u5eab\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u70ba\u4f55MySQL\u5728\u7a81\u7136\u6389\u96fb\u7684\u60c5\u6cc1\u4e0b\u4ecd\u80fd\u4fdd\u8b77\u6578\u64da\uff0c\u63a2\u7d22\u5176\u6578\u64da\u6301\u4e45\u6027\u548c\u6062\u5fa9\u6a5f\u5236\u7684\u539f\u7406\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-189486","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189486","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=189486"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189486\/revisions"}],"predecessor-version":[{"id":189487,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189486\/revisions\/189487"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}