{"id":175643,"date":"2024-11-08T07:35:17","date_gmt":"2024-11-07T23:35:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175643\/"},"modified":"2024-11-08T07:35:18","modified_gmt":"2024-11-07T23:35:18","slug":"%e5%a6%82%e4%bd%95%e9%99%90%e5%88%b6mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e5%a4%a7%e5%b0%8f%ef%bc%9f-mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e9%99%90%e5%88%b6%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175643\/","title":{"rendered":"\u5982\u4f55\u9650\u5236MySQL\u6578\u64da\u5eab\u5b58\u5132\u5927\u5c0f\uff1f (mysql\u6578\u64da\u5eab\u9650\u5236\u5927\u5c0f)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e9%99%90%e5%88%b6mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e5%a4%a7%e5%b0%8f%ef%bc%9f-RgSPkcBmGx\">\u5982\u4f55\u9650\u5236MySQL\u6578\u64da\u5eab\u5b58\u5132\u5927\u5c0f\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u7dad\u8b77\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002MySQL\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\u9650\u5236MySQL\u6578\u64da\u5eab\u7684\u5b58\u5132\u5927\u5c0f\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u9650\u5236MySQL\u6578\u64da\u5eab\u7684\u5b58\u5132\u5927\u5c0f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%99%90%e5%88%b6%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a4%a7%e5%b0%8f%ef%bc%9f-RgSPkcBmGx\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9650\u5236\u6578\u64da\u5eab\u5927\u5c0f\uff1f<\/h2>\n<p>\u9650\u5236MySQL\u6578\u64da\u5eab\u7684\u5b58\u5132\u5927\u5c0f\u6709\u591a\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u5eab\u7684\u589e\u9577\uff0c\u67e5\u8a62\u6027\u80fd\u53ef\u80fd\u6703\u4e0b\u964d\u3002\u9650\u5236\u6578\u64da\u5eab\u5927\u5c0f\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u6301\u6027\u80fd\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u5728\u5171\u4eab\u4e3b\u6a5f\u6216VPS\u74b0\u5883\u4e2d\uff0c\u8cc7\u6e90\u662f\u6709\u9650\u7684\u3002\u9650\u5236\u6578\u64da\u5eab\u5927\u5c0f\u53ef\u4ee5\u9632\u6b62\u55ae\u500b\u6578\u64da\u5eab\u4f54\u7528\u904e\u591a\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u6578\u64da\u5b89\u5168\uff1a<\/strong>\u904e\u5927\u7684\u6578\u64da\u5eab\u53ef\u80fd\u6703\u5c0e\u81f4\u5099\u4efd\u548c\u6062\u5fa9\u904e\u7a0b\u8b8a\u5f97\u8907\u96dc\uff0c\u9650\u5236\u5927\u5c0f\u53ef\u4ee5\u7c21\u5316\u9019\u4e9b\u904e\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%99%90%e5%88%b6mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ad%98%e5%84%b2%e5%a4%a7%e5%b0%8f-RgSPkcBmGx\">\u5982\u4f55\u9650\u5236MySQL\u6578\u64da\u5eab\u7684\u5b58\u5132\u5927\u5c0f<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e8%a1%a8%e7%a9%ba%e9%96%93%e9%99%90%e5%88%b6-RgSPkcBmGx\">1. \u4f7f\u7528\u8868\u7a7a\u9593\u9650\u5236<\/h3>\n<p>MySQL\u7684InnoDB\u5b58\u5132\u5f15\u64ce\u5141\u8a31\u7528\u6236\u8a2d\u7f6e\u8868\u7a7a\u9593\u7684\u5927\u5c0f\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u4f86\u9650\u5236\u8868\u7a7a\u9593\uff1a<\/p>\n<pre><code>SET GLOBAL innodb_data_file_path = 'ibdata1:10M;ibdata2:10M';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u9650\u5236InnoDB\u8868\u7a7a\u9593\u7684\u5927\u5c0f\u70ba20MB\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u6a23\u7684\u8a2d\u7f6e\u9700\u8981\u5728MySQL\u555f\u52d5\u4e4b\u524d\u9032\u884c\u914d\u7f6e\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e8%a7%b8%e7%99%bc%e5%99%a8%e5%92%8c%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-RgSPkcBmGx\">2. \u4f7f\u7528\u89f8\u767c\u5668\u548c\u5b58\u5132\u904e\u7a0b<\/h3>\n<p>\u53ef\u4ee5\u5275\u5efa\u89f8\u767c\u5668\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u4e26\u5728\u9054\u5230\u7279\u5b9a\u5927\u5c0f\u6642\u963b\u6b62\u63d2\u5165\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TRIGGER limit_size BEFORE INSERT ON your_table\nFOR EACH ROW\nBEGIN\n    DECLARE db_size INT;\n    SELECT SUM(data_length + index_length) INTO db_size\n    FROM information_schema.tables\n    WHERE table_schema = 'your_database';\n    \n    IF db_size &gt; 10485760 THEN -- 10MB\n        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Database size limit exceeded';\n    END IF;\nEND;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6703\u5728\u6578\u64da\u5eab\u5927\u5c0f\u8d85\u904e10MB\u6642\u963b\u6b62\u65b0\u7684\u63d2\u5165\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e6%95%b8%e6%93%9a-RgSPkcBmGx\">3. \u5b9a\u671f\u6e05\u7406\u6578\u64da<\/h3>\n<p>\u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u662f\u63a7\u5236\u6578\u64da\u5eab\u5927\u5c0f\u7684\u6709\u6548\u65b9\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u522a\u9664\u904e\u671f\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>DELETE FROM your_table WHERE created_at &lt; NOW() - INTERVAL 30 DAY;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u522a\u966430\u5929\u524d\u7684\u6578\u64da\uff0c\u5f9e\u800c\u91cb\u653e\u5b58\u5132\u7a7a\u9593\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e8%a1%a8-RgSPkcBmGx\">4. \u4f7f\u7528\u5206\u5340\u8868<\/h3>\n<p>\u5206\u5340\u8868\u53ef\u4ee5\u5e6b\u52a9\u7ba1\u7406\u5927\u578b\u6578\u64da\u96c6\uff0c\u4e26\u9650\u5236\u6bcf\u500b\u5206\u5340\u7684\u5927\u5c0f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u5275\u5efa\u5206\u5340\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE your_table (\n    id INT,\n    data VARCHAR(255),\n    created_at DATETIME\n) PARTITION BY RANGE (YEAR(created_at)) (\n    PARTITION p0 VALUES LESS THAN (2022),\n    PARTITION p1 VALUES LESS THAN (2023),\n    PARTITION p2 VALUES LESS THAN (2024)\n);<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u6839\u64da\u5e74\u4efd\u5c07\u6578\u64da\u5206\u5340\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\u7684\u5927\u5c0f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RgSPkcBmGx\">\u7e3d\u7d50<\/h2>\n<p>\u9650\u5236MySQL\u6578\u64da\u5eab\u7684\u5b58\u5132\u5927\u5c0f\u662f\u4e00\u9805\u91cd\u8981\u7684\u7ba1\u7406\u4efb\u52d9\uff0c\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\uff0c\u5305\u62ec\u4f7f\u7528\u8868\u7a7a\u9593\u9650\u5236\u3001\u89f8\u767c\u5668\u3001\u5b9a\u671f\u6e05\u7406\u6578\u64da\u548c\u5206\u5340\u8868\u7b49\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u5e6b\u52a9\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u7ba1\u7406\u8cc7\u6e90\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u9650\u5236MySQL\u6578\u64da\u5eab\u7684\u5b58\u5132\u5927\u5c0f\uff0c\u5305\u62ec\u8a2d\u7f6e\u6700\u5927\u6578\u64da\u5eab\u5927\u5c0f\u548c\u4f7f\u7528\u8868\u7a7a\u9593\u7ba1\u7406\u7684\u6280\u5de7\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-175643","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175643","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=175643"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175643\/revisions"}],"predecessor-version":[{"id":175644,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175643\/revisions\/175644"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}