{"id":33125,"date":"2026-09-10T10:00:00","date_gmt":"2026-09-10T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33125"},"modified":"2026-09-14T14:36:28","modified_gmt":"2026-09-14T06:36:28","slug":"wordpress-slow-query-database-cleanup","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-slow-query-database-cleanup\/","title":{"rendered":"WordPress \u67e5\u8be2\u6162\u7684\u6570\u636e\u5e93\u5904\u7406\uff1a\u7d22\u5f15\u4e0e\u81ea\u52a8\u6e05\u7406\u5197\u4f59\u6570\u636e"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/wordpress-slow-query-database-cleanup-cover.webp\" alt=\"WordPress \u6570\u636e\u5e93\u67e5\u8be2\u4f18\u5316\u7684\u62bd\u8c61\u6982\u5ff5\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u540e\u53f0\u4fdd\u5b58\u4e00\u7bc7\u6587\u7ae0\u8981\u8f6c\u5341\u51e0\u79d2\uff0c\u524d\u53f0\u9996\u9875\u5076\u5c14\u767d\u5c4f\uff0c\u63d2\u4ef6\u9875\u9762\u4e00\u6253\u5f00\u5c31\u5361\u4f4f\u2014\u2014\u5982\u679c\u4f60\u6b63\u5728\u7ecf\u5386\u8fd9\u4e9b\uff0c\u95ee\u9898\u5927\u6982\u7387\u4e0d\u5728 PHP \u4ee3\u7801\u672c\u8eab\uff0c\u800c\u5728\u6570\u636e\u5e93\u3002WordPress \u7684\u6240\u6709\u5185\u5bb9\u3001\u914d\u7f6e\u548c\u63d2\u4ef6\u6570\u636e\u90fd\u5b58\u653e\u5728 MySQL \u6570\u636e\u5e93\u4e2d\uff0c\u968f\u7740\u6587\u7ae0\u3001\u4fee\u8ba2\u7248\u672c\u548c\u63d2\u4ef6\u6b8b\u7559\u6570\u636e\u7684\u7d2f\u79ef\uff0c\u67e5\u8be2\u4f1a\u8d8a\u6765\u8d8a\u6162\u3002\u8fd9\u7bc7\u6587\u7ae0\u4f1a\u6559\u4f60\u5982\u4f55\u89e3\u51b3 WordPress \u67e5\u8be2\u6162\u7684\u95ee\u9898\uff1a\u4ece\u5f00\u542f\u6162\u67e5\u8be2\u65e5\u5fd7\u5b9a\u4f4d\u5143\u51f6\uff0c\u5230\u7ed9\u6838\u5fc3\u8868\u8865\u5145\u7d22\u5f15\uff0c\u518d\u5230\u914d\u7f6e\u81ea\u52a8\u6e05\u7406\u4efb\u52a1\u9632\u6b62\u6570\u636e\u5e93\u518d\u6b21\u81a8\u80c0\u3002\u6574\u5957\u65b9\u6cd5\u4e0d\u4f9d\u8d56\u9ad8\u6df1\u5f00\u53d1\u77e5\u8bc6\uff0c\u53ea\u9700\u8981\u670d\u52a1\u5668\u547d\u4ee4\u884c\u6216\u6570\u636e\u5e93\u7ba1\u7406\u9762\u677f\u5c31\u80fd\u5b8c\u6210\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48 WordPress \u4f1a\u8d8a\u7528\u8d8a\u6162<\/h2>\n<p>WordPress \u67e5\u8be2\u53d8\u6162\u7684\u539f\u56e0\uff0c\u5f80\u5f80\u4e0d\u662f\u5355\u4e00\u56e0\u7d20\uff0c\u800c\u662f\u6570\u636e\u81a8\u80c0\u4e0e\u7f3a\u5931\u7d22\u5f15\u7684\u53e0\u52a0\u6548\u5e94\u3002\u7406\u89e3\u8fd9\u4e24\u4e2a\u673a\u5236\uff0c\u540e\u9762\u7684\u6bcf\u4e00\u6b65\u64cd\u4f5c\u4f60\u90fd\u4f1a\u77e5\u9053&#8221;\u4e3a\u4ec0\u4e48\u8fd9\u6837\u505a&#8221;\u3002<\/p>\n<p>\u7b2c\u4e00\u4e2a\u673a\u5236\u662f<strong>\u5197\u4f59\u6570\u636e\u7d2f\u79ef<\/strong>\u3002WordPress \u9ed8\u8ba4\u6bcf 60 \u79d2\u81ea\u52a8\u4fdd\u5b58\u4e00\u6b21\u6587\u7ae0\u4fee\u8ba2\u7248\u672c\uff0c\u5199\u4e00\u7bc7 3000 \u5b57\u7684\u6587\u7ae0\u53ef\u80fd\u4ea7\u751f 10 \u4e2a\u4ee5\u4e0a\u7684 revision\uff1bRSS \u7f13\u5b58\uff08transient\uff09\u4f1a\u5468\u671f\u6027\u5199\u5165 <code>wp_options<\/code> \u8868\uff1b\u88ab\u5220\u9664\u7684\u63d2\u4ef6\u4e5f\u5f88\u5c11\u6e05\u7406\u81ea\u5df1\u7559\u4e0b\u7684\u8bbe\u7f6e\u5b57\u6bb5\u3002\u8fd0\u884c 3 \u5e74\u7684\u7ad9\u70b9\uff0c<code>wp_options<\/code> \u81a8\u80c0\u5230\u51e0\u767e MB\u3001<code>wp_posts<\/code> \u91cc\u8eba\u7740\u6570\u4e07\u6761\u4fee\u8ba2\u7248\u672c\u90fd\u662f\u5e38\u89c1\u73b0\u8c61\u3002\u8868\u8d8a\u5927\uff0c\u5b9a\u4f4d\u4e00\u884c\u6570\u636e\u7684 I\/O \u548c\u5185\u5b58\u5f00\u9500\u5c31\u8d8a\u9ad8\u3002<\/p>\n<p>\u7b2c\u4e8c\u4e2a\u673a\u5236\u662f<strong>\u7f3a\u5931\u7d22\u5f15<\/strong>\u3002WordPress \u51fa\u4e8e\u517c\u5bb9\u6027\u8003\u8651\uff0c\u6838\u5fc3\u8868\u53ea\u4fdd\u7559\u4e86\u6700\u57fa\u7840\u7684\u7d22\u5f15\u3002\u4e00\u65e6\u63d2\u4ef6\u4f7f\u7528\u4e86\u81ea\u5b9a\u4e49\u67e5\u8be2\uff08\u4f8b\u5982\u6309 meta \u5b57\u6bb5\u7b5b\u9009\u6587\u7ae0\uff09\uff0c<code>wp_postmeta<\/code> \u8fd9\u7c7b\u8868\u5c31\u4f1a\u89e6\u53d1\u5168\u8868\u626b\u63cf\u3002<code>wp_postmeta<\/code> \u5728\u4e2d\u578b\u7ad9\u70b9\u8f7b\u677e\u8d85\u8fc7\u767e\u4e07\u884c\uff0c\u4e00\u6761\u6ca1\u6709\u7d22\u5f15\u53ef\u7528\u7684\u67e5\u8be2\u53ef\u80fd\u8981\u626b\u63cf\u5168\u90e8\u884c\uff0c\u5355\u6b21\u8017\u65f6\u6570\u79d2\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u5f88\u591a\u7ad9\u957f\u53d1\u73b0\uff1a\u88c5\u4e86\u67d0\u4e2a\u7edf\u8ba1\u6216\u7b5b\u9009\u63d2\u4ef6\u540e\uff0c\u7ad9\u70b9\u7acb\u523b\u53d8\u6162\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/wordpress-slow-query-database-cleanup-comparison.webp\" alt=\"\u6570\u636e\u5e93\u8868\u968f\u65f6\u95f4\u81a8\u80c0\u7684\u5bf9\u6bd4\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<p>\u5224\u65ad\u5c5e\u4e8e\u54ea\u79cd\u60c5\u51b5\u6709\u4e2a\u7b80\u5355\u65b9\u6cd5\uff1a\u5982\u679c\u7ad9\u70b9\u662f&#8221;\u9010\u6e10\u53d8\u6162&#8221;\uff0c\u504f\u5411\u6570\u636e\u81a8\u80c0\uff1b\u5982\u679c\u662f&#8221;\u88c5\u4e86\u67d0\u63d2\u4ef6\u540e\u7a81\u7136\u53d8\u6162&#8221;\uff0c\u504f\u5411\u7f3a\u5931\u7d22\u5f15\u6216\u63d2\u4ef6\u4f4e\u6548\u67e5\u8be2\u3002\u4e24\u79cd\u95ee\u9898\u7684\u5904\u7406\u8def\u5f84\u4e0d\u540c\uff0c\u4e0b\u9762\u6211\u4eec\u5206\u5f00\u8bb2\u3002<\/p>\n<h2>\u7b2c\u4e00\u6b65\uff1a\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\u5b9a\u4f4d\u5143\u51f6<\/h2>\n<p>\u5728\u52a8\u624b\u4f18\u5316\u4e4b\u524d\uff0c\u5148\u8981\u627e\u5230\u771f\u6b63\u6162\u7684\u67e5\u8be2\u3002\u51ed\u731c\u6d4b\u53bb\u5220\u6570\u636e\u3001\u52a0\u7d22\u5f15\uff0c\u5f88\u5bb9\u6613\u767d\u8d39\u529f\u592b\u751a\u81f3\u8bef\u4f24\u7ad9\u70b9\u3002MySQL \u7684\u6162\u67e5\u8be2\u65e5\u5fd7\uff08slow query log\uff09\u4f1a\u8bb0\u5f55\u6240\u6709\u8d85\u8fc7\u8bbe\u5b9a\u65f6\u95f4\u7684 SQL \u8bed\u53e5\uff0c\u662f\u6700\u53ef\u9760\u7684\u8bc1\u636e\u6765\u6e90\uff0c\u4e5f\u662f\u6211\u4eec\u540e\u9762\u6240\u6709\u64cd\u4f5c\u7684\u4f9d\u636e\u3002<\/p>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09<\/a> \u6216<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539 MySQL \u914d\u7f6e\u3002\u7f16\u8f91 <code>\/etc\/mysql\/my.cnf<\/code> \u6216\u5bf9\u5e94\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5728 <code>[mysqld]<\/code> \u6bb5\u843d\u4e0b\u52a0\u5165\uff1a<\/p>\n<pre><code class=\"language-sql\">slow_query_log = 1\nslow_query_log_file = \/var\/log\/mysql\/slow.log\nlong_query_time = 1\n<\/code><\/pre>\n<p>\u5176\u4e2d <code>long_query_time = 1<\/code> \u8868\u793a\u53ea\u8bb0\u5f55\u8d85\u8fc7 1 \u79d2\u7684\u67e5\u8be2\uff0c\u521d\u6b65\u6392\u67e5\u53ef\u4ee5\u4ece 1 \u79d2\u8d77\u6b65\uff0c\u9700\u8981\u66f4\u7ec6\u65f6\u964d\u5230 0.5\u3002\u4fee\u6539\u540e\u91cd\u542f MySQL \u670d\u52a1\u751f\u6548\uff0c\u8ba9\u7ad9\u70b9\u6b63\u5e38\u8fd0\u884c\u534a\u5929\uff0c\u65e5\u5fd7\u91cc\u53cd\u590d\u51fa\u73b0\u7684\u8bed\u53e5\u5c31\u662f\u62d6\u6162\u7ad9\u70b9\u7684\u4e3b\u72af\u3002\u65e5\u5fd7\u4e2d\u7684 <code>Rows_examined<\/code> \u5b57\u6bb5\u5c24\u5176\u5173\u952e\uff1a\u4e00\u6761\u67e5\u8be2\u53ea\u8fd4\u56de 10 \u884c\u5374\u626b\u63cf\u4e86 80 \u4e07\u884c\uff0c\u8bf4\u660e\u7d22\u5f15\u5b8c\u5168\u6ca1\u6709\u751f\u6548\u3002<\/p>\n<p>\u6ca1\u6709\u670d\u52a1\u5668\u6743\u9650\u7684\u7ad9\u957f\u53ef\u4ee5\u7528 WP Query Monitor \u8fd9\u7c7b\u8bca\u65ad\u63d2\u4ef6\u66ff\u4ee3\uff1a\u5b83\u4f1a\u5728\u6bcf\u4e2a\u9875\u9762\u5e95\u90e8\u663e\u793a\u672c\u6b21\u52a0\u8f7d\u6267\u884c\u7684\u5168\u90e8 SQL\u3001\u8017\u65f6\u4ee5\u53ca\u8c03\u7528\u5b83\u4eec\u7684\u63d2\u4ef6\u3002\u8bc1\u636e\u5230\u624b\u540e\uff0c\u8fdb\u5165\u4e0b\u4e00\u6b65\u3002<\/p>\n<h2>\u7b2c\u4e8c\u6b65\uff1a\u8865\u9f50\u7f3a\u5931\u7684\u6570\u636e\u5e93\u7d22\u5f15<\/h2>\n<p>\u786e\u8ba4\u4e86\u6162\u67e5\u8be2\u4e4b\u540e\uff0c\u6700\u6709\u6548\u7684\u624b\u6bb5\u4e4b\u4e00\u662f\u7ed9\u6838\u5fc3\u8868\u8865\u7d22\u5f15\u3002WordPress \u6709\u4e09\u4e2a\u9ad8\u9891\u81a8\u80c0\u8868\uff1a<code>wp_options<\/code>\uff08\u7ad9\u70b9\u914d\u7f6e\uff09\u3001<code>wp_postmeta<\/code>\uff08\u6587\u7ae0\u6269\u5c55\u6570\u636e\uff09\u548c <code>wp_termmeta<\/code>\uff08\u5206\u7c7b\u6269\u5c55\u6570\u636e\uff09\uff0c\u524d\u4e24\u8005\u7684\u7d22\u5f15\u7f3a\u53e3\u6700\u5e38\u89c1\u3002<\/p>\n<p>\u5148\u770b <code>wp_options<\/code>\u3002WordPress \u6bcf\u6b21\u9875\u9762\u52a0\u8f7d\u90fd\u4f1a\u628a <code>autoload = yes<\/code> \u7684\u9009\u9879\u4e00\u6b21\u6027\u8bfb\u5165\u5185\u5b58\uff0c\u800c\u8fd9\u4e2a\u5b57\u6bb5\u9ed8\u8ba4\u6ca1\u6709\u7d22\u5f15\uff0c\u9009\u9879\u4e00\u591a\u67e5\u8be2\u5c31\u4f1a\u53d8\u6162\u3002\u901a\u8fc7 phpMyAdmin \u6216\u547d\u4ee4\u884c MySQL \u5ba2\u6237\u7aef\u6267\u884c\uff1a<\/p>\n<pre><code class=\"language-sql\">ALTER TABLE wp_options ADD INDEX autoload_idx (autoload);\n<\/code><\/pre>\n<p>\u518d\u770b <code>wp_postmeta<\/code>\u3002\u63d2\u4ef6\u6309 meta \u503c\u67e5\u8be2\u6587\u7ae0\u65f6\uff08\u4f8b\u5982\u67e5\u8be2&#8221;\u6d4f\u89c8\u91cf\u5927\u4e8e 100 \u7684\u6587\u7ae0&#8221;\uff09\uff0c\u9ed8\u8ba4\u7d22\u5f15\u5e2e\u4e0d\u4e0a\u5fd9\uff0c\u53ef\u4ee5\u8865\u5145\u4e00\u4e2a\u8986\u76d6\u5e38\u7528\u573a\u666f\u7684\u590d\u5408\u7d22\u5f15\uff1a<\/p>\n<pre><code class=\"language-sql\">ALTER TABLE wp_postmeta ADD INDEX meta_key_value_idx (meta_key, meta_value(128));\n<\/code><\/pre>\n<p>\u6ce8\u610f <code>meta_value(128)<\/code> \u8868\u793a\u53ea\u5bf9\u503c\u7684\u524d 128 \u4e2a\u5b57\u7b26\u5efa\u7d22\u5f15\uff0c\u907f\u514d\u7d22\u5f15\u672c\u8eab\u8fc7\u5927\u3002\u6267\u884c\u524d\u786e\u8ba4\u4e24\u4ef6\u4e8b\uff1a\u5148\u5b8c\u6574\u5907\u4efd\u6570\u636e\u5e93\uff1b\u8868\u524d\u7f00\u4e0d\u662f\u9ed8\u8ba4\u7684 <code>wp_<\/code> \u65f6\u66ff\u6362\u6210\u4f60\u81ea\u5df1\u7684\u524d\u7f00\uff08\u5728 <code>wp-config.php<\/code> \u7684 <code>$table_prefix<\/code> \u53d8\u91cf\u4e2d\u53ef\u4ee5\u627e\u5230\uff09\u3002<\/p>\n<p>\u52a0\u5b8c\u7d22\u5f15\u540e\uff0c\u56de\u5934\u91cd\u65b0\u89c2\u5bdf\u6162\u67e5\u8be2\u65e5\u5fd7\u3002\u4f60\u4f1a\u770b\u5230 <code>Rows_examined<\/code> \u6570\u503c\u5927\u5e45\u4e0b\u964d\u2014\u2014\u540c\u6837\u7684\u67e5\u8be2\u4ece\u626b\u63cf\u51e0\u5341\u4e07\u884c\u53d8\u6210\u51e0\u767e\u884c\uff0c\u8017\u65f6\u901a\u5e38\u80fd\u4ece\u6570\u79d2\u964d\u5230\u51e0\u5341\u6beb\u79d2\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/wordpress-slow-query-database-cleanup-architecture.webp\" alt=\"\u4e3a\u6570\u636e\u5e93\u8868\u6dfb\u52a0\u7d22\u5f15\u63d0\u5347\u67e5\u8be2\u6548\u7387\u7684\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<h2>\u7b2c\u4e09\u6b65\uff1a\u6e05\u7406\u4fee\u8ba2\u7248\u672c\u4e0e wp_options \u5197\u4f59\u6570\u636e<\/h2>\n<p>\u7d22\u5f15\u89e3\u51b3\u7684\u662f&#8221;\u67e5\u5f97\u6162&#8221;\uff0c\u6e05\u7406\u89e3\u51b3\u7684\u662f&#8221;\u8868\u592a\u5927&#8221;\uff0c\u4e24\u8005\u914d\u5408\u624d\u80fd\u8ba9\u6570\u636e\u5e93\u56de\u5230\u5065\u5eb7\u4f53\u79ef\u3002\u5148\u5904\u7406\u6700\u5bb9\u6613\u81a8\u80c0\u7684\u4fee\u8ba2\u7248\u672c\uff1a<code>wp_posts<\/code> \u8868\u4e2d\u6bcf\u6761\u4fee\u8ba2\u7248\u672c\u90fd\u662f\u4e00\u6761\u5b8c\u6574\u8bb0\u5f55\uff0c\u8fd8\u8fde\u5e26 <code>wp_postmeta<\/code> \u4e2d\u7684\u6269\u5c55\u6570\u636e\u3002\u4e00\u6b21\u6027\u6e05\u7406\u8d85\u8fc7 30 \u5929\u7684\u65e7\u4fee\u8ba2\u7248\u672c\uff1a<\/p>\n<pre><code class=\"language-sql\">DELETE a, b FROM wp_posts a\nINNER JOIN wp_postmeta b ON (a.ID = b.post_id)\nWHERE a.post_type = 'revision'\nAND a.post_date &lt; DATE_SUB(NOW(), INTERVAL 30 DAY);\n<\/code><\/pre>\n<p>\u4fdd\u5b88\u8d77\u89c1\uff0c\u4e5f\u53ef\u4ee5\u5728 <code>wp-config.php<\/code> \u4e2d\u9650\u5236\u672a\u6765\u7684\u4fee\u8ba2\u6570\u91cf\uff1a<code>define('WP_POST_REVISIONS', 5);<\/code> \u8868\u793a\u6bcf\u7bc7\u6587\u7ae0\u6700\u591a\u4fdd\u7559 5 \u4e2a\u4fee\u8ba2\u7248\u672c\u3002<\/p>\n<p><code>wp_options<\/code> \u8868\u7684\u6e05\u7406\u8981\u66f4\u8c28\u614e\uff0c\u56e0\u4e3a\u6d3b\u8dc3\u63d2\u4ef6\u548c WordPress \u6838\u5fc3\u7684\u914d\u7f6e\u90fd\u5b58\u653e\u5728\u8fd9\u91cc\u3002\u5b89\u5168\u7684\u505a\u6cd5\u662f\u53ea\u6e05\u7406\u4e24\u7c7b\u6570\u636e\uff1a\u5df2\u8fc7\u671f\u7684 transient \u7f13\u5b58\uff0c\u4ee5\u53ca\u786e\u8ba4\u5378\u8f7d\u7684\u63d2\u4ef6\u6b8b\u7559\u3002\u5148\u67e5\u770b\u6700\u5927\u7684\u9009\u9879\uff1a<\/p>\n<pre><code class=\"language-sql\">SELECT option_name, LENGTH(option_value) AS size\nFROM wp_options ORDER BY size DESC LIMIT 10;\n<\/code><\/pre>\n<p>\u5982\u679c\u770b\u5230 <code>_transient_xxx<\/code> \u5f00\u5934\u4e14\u4f53\u79ef\u5de8\u5927\u7684\u9009\u9879\uff0c\u6e05\u6389\u901a\u5e38\u6ca1\u6709\u526f\u4f5c\u7528\u2014\u2014WordPress \u4f1a\u5728\u4e0b\u6b21\u9700\u8981\u65f6\u91cd\u5efa\u3002\u4f46\u5982\u679c\u67d0\u4e2a\u9009\u9879\u540d\u5bf9\u5e94\u4ecd\u5728\u4f7f\u7528\u7684\u63d2\u4ef6\uff0c\u4e0d\u8981\u76f4\u63a5\u5220\u9664\uff0c\u6b63\u786e\u65b9\u5f0f\u662f\u5148\u5728\u540e\u53f0\u505c\u7528\u5e76\u5378\u8f7d\u8be5\u63d2\u4ef6\uff0c\u518d\u6e05\u7406\u5176\u6b8b\u7559\u5b57\u6bb5\u3002<\/p>\n<p><code>wp_postmeta<\/code> \u4e2d\u7684\u5b64\u513f\u6570\u636e\uff08\u5bf9\u5e94\u6587\u7ae0\u5df2\u5220\u9664\u7684 meta \u884c\uff09\u4e5f\u503c\u5f97\u987a\u624b\u6e05\u7406\uff0c\u53ef\u4ee5\u7528\u7c7b\u4f3c <code>DELETE FROM wp_postmeta WHERE post_id NOT IN (SELECT ID FROM wp_posts)<\/code> \u7684\u8bed\u53e5\u5904\u7406\u3002\u89c4\u6a21\u5927\u7684\u8868\u6267\u884c\u524d\u5148\u5907\u4efd\uff0c\u5e76\u5728\u4e1a\u52a1\u4f4e\u5cf0\u671f\u64cd\u4f5c\uff0c\u907f\u514d\u957f\u65f6\u95f4\u9501\u8868\u3002<\/p>\n<h2>\u7528 WP-CLI \u5efa\u7acb\u5b9a\u65f6\u81ea\u52a8\u6e05\u7406<\/h2>\n<p>\u624b\u52a8\u6e05\u7406\u4e00\u6b21\u53ea\u80fd\u7ba1\u4e00\u9635\u5b50\uff0c\u5197\u4f59\u6570\u636e\u4f1a\u6301\u7eed\u518d\u7d2f\u79ef\u3002\u8981\u8ba9\u6570\u636e\u5e93\u957f\u671f\u4fdd\u6301\u5e72\u51c0\uff0c\u9700\u8981\u81ea\u52a8\u6267\u884c\u7684\u5b9a\u65f6\u4efb\u52a1\u3002\u8fd9\u91cc\u63a8\u8350 WordPress \u5b98\u65b9\u547d\u4ee4\u884c\u5de5\u5177 WP-CLI\uff08WordPress \u547d\u4ee4\u884c\u63a5\u53e3\uff09\u914d\u5408\u670d\u52a1\u5668 cron \u5b9a\u65f6\u5668\uff0c\u5b9e\u73b0\u5168\u81ea\u52a8\u7ef4\u62a4\u3002<\/p>\n<p>\u5148\u786e\u8ba4\u670d\u52a1\u5668\u5df2\u5b89\u88c5 WP-CLI\uff08\u591a\u6570\u4e3b\u673a\u5546\u7684\u7cfb\u7edf\u955c\u50cf\u5df2\u9884\u88c5\uff0c\u7528 <code>wp --info<\/code> \u9a8c\u8bc1\uff09\u3002\u7136\u540e\u5728\u7ad9\u70b9\u6839\u76ee\u5f55\u521b\u5efa\u4e00\u4e2a\u6e05\u7406\u811a\u672c\uff0c\u4f8b\u5982 <code>db-maintenance.sh<\/code>\uff1a<\/p>\n<pre><code class=\"language-bash\">#!\/bin\/bash\ncd \/var\/www\/example.com\nwp transient delete --expired --all\nwp post delete $(wp post list --post_type=revision \\\n  --posts_per_page=200 --format=ids) --force\nwp db optimize\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u811a\u672c\u4f9d\u6b21\u5b8c\u6210\u4e09\u4ef6\u4e8b\uff1a\u5220\u9664\u6240\u6709\u8fc7\u671f transient\u3001\u5206\u6279\u6e05\u7406\u6700\u591a 200 \u6761\u65e7\u4fee\u8ba2\u7248\u672c\u907f\u514d\u9501\u8868\u3001\u4f18\u5316\u6570\u636e\u5e93\u8868\u7684\u7a7a\u95f4\u5360\u7528\u3002\u628a\u5b83\u6ce8\u518c\u5230 cron\uff0c\u4f8b\u5982\u6bcf\u5929\u51cc\u6668 3 \u70b9\u6267\u884c\uff1a<\/p>\n<pre><code class=\"language-bash\">0 3 * * * \/bin\/bash \/var\/www\/example.com\/db-maintenance.sh &gt;&gt; \/var\/log\/wp-db-clean.log 2&gt;&amp;1\n<\/code><\/pre>\n<p>\u65e5\u5fd7\u8f93\u51fa\u5230\u5355\u72ec\u6587\u4ef6\uff0c\u65b9\u4fbf\u65e5\u540e\u68c0\u67e5\u4efb\u52a1\u662f\u5426\u6b63\u5e38\u8dd1\u5b8c\u3002Hostease \u4e3b\u673a\u7528\u6237\u53ef\u4ee5\u53c2\u8003\u5e2e\u52a9\u4e2d\u5fc3\u7684\u5b9a\u65f6\u4efb\u52a1\u6587\u6863\u5b8c\u6210\u540c\u6837\u914d\u7f6e\uff1b\u5982\u679c\u4e3b\u673a\u65b9\u6848\u4e0d\u63d0\u4f9b SSH \u8bbf\u95ee\uff0c\u4e5f\u53ef\u4ee5\u7528 WP-Sweep \u8fd9\u7c7b\u6e05\u7406\u63d2\u4ef6\u914d\u5408 WordPress \u81ea\u5e26\u7684 WP-Cron \u8c03\u5ea6\uff0c\u53ea\u662f\u6267\u884c\u9891\u7387\u7684\u53ef\u63a7\u6027\u7a0d\u5dee\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/wordpress-slow-query-database-cleanup-flow.webp\" alt=\"\u5b9a\u65f6\u4efb\u52a1\u81ea\u52a8\u7ef4\u62a4\u6570\u636e\u5e93\u7684\u6d41\u7a0b\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<h2>\u5e38\u89c1\u8bef\u533a\u4e0e\u9a8c\u8bc1\u65b9\u6cd5<\/h2>\n<p>\u4f18\u5316\u505a\u5b8c\u4e4b\u540e\uff0c\u600e\u4e48\u786e\u8ba4\u771f\u7684\u6709\u6548\uff1f\u6700\u76f4\u63a5\u7684\u9a8c\u8bc1\u662f\u56de\u5230\u7b2c\u4e00\u6b65\u7684\u6162\u67e5\u8be2\u65e5\u5fd7\uff1a\u5bf9\u6bd4\u4f18\u5316\u524d\u540e\uff0c\u540c\u7c7b\u67e5\u8be2\u7684 <code>Rows_examined<\/code> \u548c\u6267\u884c\u65f6\u95f4\u5e94\u6709\u6570\u91cf\u7ea7\u4e0b\u964d\u3002\u524d\u53f0\u4f53\u611f\u53ef\u4ee5\u7528\u9875\u9762\u52a0\u8f7d\u8017\u65f6\uff08TTFB\uff0c\u9996\u5b57\u8282\u65f6\u95f4\uff09\u8861\u91cf\uff0c\u4f18\u5316\u524d\u540e\u5404\u6d4b 5 \u6b21\u53d6\u5e73\u5747\u503c\uff0c\u6548\u679c\u4e00\u76ee\u4e86\u7136\uff1b\u4e0d\u719f\u6089 TTFB \u7684\u8bfb\u8005\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u4e4b\u524d\u7684<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">TTFB \u4e3b\u673a\u4f18\u5316\u6307\u5357<\/a>\u3002<\/p>\n<p>\u51e0\u4e2a\u5e38\u89c1\u8bef\u533a\u9700\u8981\u907f\u5f00\u3002\u5176\u4e00\uff0c\u4e0d\u8981\u76f2\u76ee\u7528&#8221;\u6570\u636e\u5e93\u4f18\u5316\u63d2\u4ef6&#8221;\u4e00\u952e\u6e05\u7406\uff0c\u90e8\u5206\u63d2\u4ef6\u4f1a\u8bef\u5220\u5c1a\u5728\u4f7f\u7528\u7684 transient\uff0c\u5bfc\u81f4\u63d2\u4ef6\u8bbe\u7f6e\u4e22\u5931\u3002\u5176\u4e8c\uff0c\u6e05\u7406 <code>wp_options<\/code> \u65f6\u4e0d\u8981\u53ea\u770b\u4f53\u79ef\u5c31\u5220\uff0c\u9009\u9879\u540d\u662f\u5426\u5bf9\u5e94\u6d3b\u8dc3\u63d2\u4ef6\u624d\u662f\u5224\u65ad\u4f9d\u636e\u3002\u5176\u4e09\uff0c\u7d22\u5f15\u4e0d\u662f\u8d8a\u591a\u8d8a\u597d\uff1a\u6bcf\u591a\u4e00\u4e2a\u7d22\u5f15\uff0c\u5199\u5165\u5c31\u8981\u591a\u7ef4\u62a4\u4e00\u4efd\u7ed3\u6784\uff0c\u53ea\u9488\u5bf9\u6162\u67e5\u8be2\u65e5\u5fd7\u4e2d\u5b9e\u9645\u51fa\u73b0\u7684\u5b57\u6bb5\u5efa\u7d22\u5f15\u624d\u662f\u53ef\u6301\u7eed\u7684\u505a\u6cd5\u3002<\/p>\n<h2>\u603b\u7ed3\u4e0e\u4e0b\u4e00\u6b65\u5efa\u8bae<\/h2>\n<p>\u5904\u7406 WordPress \u67e5\u8be2\u6162\u7684\u95ee\u9898\uff0c\u6838\u5fc3\u601d\u8def\u662f\u4e09\u6b65\u95ed\u73af\uff1a\u5148\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\u62ff\u5230\u8bc1\u636e\uff0c\u518d\u901a\u8fc7\u8865\u7d22\u5f15\u548c\u6e05\u5197\u4f59\u628a\u67e5\u8be2\u6210\u672c\u964d\u4e0b\u6765\uff0c\u6700\u540e\u7528\u5b9a\u65f6\u4efb\u52a1\u9632\u6b62\u95ee\u9898\u590d\u53d1\u3002\u8fd9\u5957\u6d41\u7a0b\u4e0d\u6311\u7ad9\u70b9\u89c4\u6a21\uff0c\u4e2a\u4eba\u535a\u5ba2\u5230\u4f01\u4e1a\u5b98\u7f51\u90fd\u9002\u7528\u3002<\/p>\n<p>\u7ed9\u4f60\u7684\u4e0b\u4e00\u6b65\u884c\u52a8\u5efa\u8bae\uff1a\u5148\u82b1\u5341\u5206\u949f\u5f00\u542f\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u770b\u770b\u4f60\u7684\u7ad9\u70b9\u771f\u6b63\u6162\u5728\u54ea\u91cc\uff1b\u7136\u540e\u6839\u636e\u65e5\u5fd7\u8bc1\u636e\u9009\u62e9\u8865\u7d22\u5f15\u6216\u6e05\u6570\u636e\uff0c\u4e0d\u8981\u8df3\u8fc7\u53d6\u8bc1\u76f4\u63a5\u52a8\u624b\uff1b\u6700\u540e\u628a WP-CLI \u6e05\u7406\u811a\u672c\u6302\u4e0a cron\uff0c\u8ba9\u7ef4\u62a4\u81ea\u52a8\u5316\u3002\u5982\u679c\u4f60\u5728\u8bc4\u4f30\u66f4\u7701\u5fc3\u7684\u65b9\u6848\uff0c\u4e5f\u53ef\u4ee5\u8003\u8651\u628a\u7ad9\u70b9\u8fc1\u79fb\u5230 <a href=\"https:\/\/cn.hostease.com\/wordpress-hosting\/\">Hostease \u7684 WordPress \u4e3b\u673a\u65b9\u6848<\/a>\uff0c\u5e95\u5c42\u7ef4\u62a4\u7531\u4e13\u4e1a\u56e2\u961f\u5904\u7406\uff0c\u80fd\u7701\u53bb\u4e0d\u5c11\u6570\u636e\u5e93\u8fd0\u7ef4\u7cbe\u529b\u3002\u6570\u636e\u5e93\u4f18\u5316\u662f\u4ef6\u4e00\u6b21\u6295\u5165\u3001\u957f\u671f\u53d7\u76ca\u7684\u4e8b\uff0c\u5efa\u8bae\u628a\u5b83\u52a0\u5165\u4f60\u7684\u4f8b\u884c\u8fd0\u7ef4\u6e05\u5355\u3002\u66f4\u591a\u5b9e\u8df5\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7ee7\u7eed\u9605\u8bfb\u6211\u4eec\u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/\">WordPress \u6559\u7a0b\u4e13\u680f<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WordPress 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