{"id":32545,"date":"2026-08-14T10:00:00","date_gmt":"2026-08-14T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32545"},"modified":"2026-08-15T22:28:34","modified_gmt":"2026-08-15T14:28:34","slug":"wordpress-database-cleanup-query-optimization","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-database-cleanup-query-optimization\/","title":{"rendered":"WordPress \u6570\u636e\u5e93\u4f18\u5316\u6307\u5357\uff1a\u4ece\u6162\u67e5\u8be2\u5230\u6e05\u7406\u5197\u4f59\u6570\u636e"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/wordpress-database-cleanup-query-optimization-cover.webp\" alt=\"WordPress \u6570\u636e\u5e93\u4f18\u5316\u5c01\u9762\u56fe\" loading=\"lazy\" \/><\/p>\n<p>WordPress \u6570\u636e\u5e93\u4f18\u5316\u4e0d\u662f\u7b80\u5355\u70b9\u4e00\u6b21\u201c\u6e05\u7406\u201d\u6309\u94ae\uff0c\u800c\u662f\u8981\u5148\u77e5\u9053\u4e3a\u4ec0\u4e48\u67e5\u8be2\u53d8\u6162\u3001\u54ea\u4e9b\u6570\u636e\u53ef\u4ee5\u5b89\u5168\u5220\u9664\u3001\u54ea\u4e9b\u8868\u7ed3\u6784\u9700\u8981\u8c28\u614e\u5904\u7406\u3002\u672c\u6587\u4f1a\u5e2e\u52a9\u4f60\u6309\u201c\u5907\u4efd\u2192\u5b9a\u4f4d\u2192\u6e05\u7406\u2192\u7f13\u5b58\u2192\u9a8c\u8bc1\u201d\u7684\u987a\u5e8f\uff0c\u89e3\u51b3\u6587\u7ae0\u4fee\u8ba2\u3001\u5783\u573e\u8bc4\u8bba\u3001\u77ac\u6001\u7f13\u5b58\u548c\u63d2\u4ef6\u6b8b\u7559\u5bfc\u81f4\u7684\u540e\u53f0\u5361\u987f\u3001\u9875\u9762\u9996\u5b57\u8282\u65f6\u95f4\u5347\u9ad8\u7b49\u95ee\u9898\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5df2\u7ecf\u505a\u8fc7\u56fe\u7247\u538b\u7f29\u548c\u9875\u9762\u7f13\u5b58\uff0c\u7f51\u7ad9\u4ecd\u7136\u5728\u6253\u5f00\u6587\u7ae0\u9875\u3001\u641c\u7d22\u9875\u6216\u540e\u53f0\u8ba2\u5355\u5217\u8868\u65f6\u660e\u663e\u53d8\u6162\uff0c\u74f6\u9888\u5f88\u53ef\u80fd\u5df2\u7ecf\u4ece\u9759\u6001\u8d44\u6e90\u8f6c\u79fb\u5230 MySQL\uff08\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff09\u67e5\u8be2\u3002\u5904\u7406\u8fd9\u7c7b\u95ee\u9898\u65f6\uff0c\u6700\u6015\u4e00\u4e0a\u6765\u5c31\u6279\u91cf\u5220\u9664\u8868\uff0c\u56e0\u4e3a\u5c11\u5220\u4e86\u53ea\u662f\u6548\u679c\u6709\u9650\uff0c\u591a\u5220\u4e86\u53ef\u80fd\u5bfc\u81f4\u63d2\u4ef6\u914d\u7f6e\u3001\u8ba2\u5355\u8bb0\u5f55\u6216\u8868\u5355\u6570\u636e\u4e22\u5931\u3002\u66f4\u7a33\u59a5\u7684\u505a\u6cd5\uff0c\u662f\u5148\u5efa\u7acb\u53ef\u56de\u6eda\u7684\u5907\u4efd\uff0c\u518d\u628a\u201c\u53ef\u5220\u9664\u6570\u636e\u201d\u548c\u201c\u9700\u8981\u6392\u67e5\u7684\u6162\u67e5\u8be2\u201d\u5206\u5f00\u5904\u7406\u3002<\/p>\n<h2>\u5148\u5224\u65ad\u6570\u636e\u5e93\u662f\u4e0d\u662f\u771f\u7684\u6210\u4e3a\u74f6\u9888<\/h2>\n<p>\u5f88\u591a\u7ad9\u957f\u770b\u5230 WordPress\uff08\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff09\u53d8\u6162\uff0c\u4f1a\u5148\u5b89\u88c5\u66f4\u591a\u7f13\u5b58\u63d2\u4ef6\uff0c\u4f46\u5982\u679c\u6162\u70b9\u96c6\u4e2d\u5728\u540e\u53f0\u3001\u641c\u7d22\u3001\u7b5b\u9009\u3001\u8d2d\u7269\u8f66\u6216\u4f1a\u5458\u4e2d\u5fc3\uff0c\u9875\u9762\u7f13\u5b58\u901a\u5e38\u5e2e\u4e0d\u4e0a\u592a\u591a\u3002\u4f60\u9700\u8981\u5148\u786e\u8ba4\u6162\u8bf7\u6c42\u662f\u5426\u771f\u7684\u5361\u5728\u6570\u636e\u5e93\u5c42\uff0c\u800c\u4e0d\u662f PHP\uff08\u4e00\u79cd\u670d\u52a1\u5668\u7aef\u811a\u672c\u8bed\u8a00\uff09\u6267\u884c\u3001\u5916\u90e8\u63a5\u53e3\u6216\u670d\u52a1\u5668 CPU\uff08\u4e2d\u592e\u5904\u7406\u5668\uff09\u5360\u7528\u3002<\/p>\n<p>\u6700\u76f4\u63a5\u7684\u89c2\u5bdf\u65b9\u6cd5\uff0c\u662f\u5728\u8bbf\u95ee\u9ad8\u5cf0\u524d\u540e\u5bf9\u6bd4\u4e09\u4e2a\u6307\u6807\uff1a\u9875\u9762 TTFB\uff08\u9996\u5b57\u8282\u65f6\u95f4\uff09\u3001\u6570\u636e\u5e93\u67e5\u8be2\u6b21\u6570\u3001\u6162\u67e5\u8be2\u65e5\u5fd7\u3002\u5982\u679c\u666e\u901a\u6587\u7ae0\u9875 TTFB \u4ece 300ms \u5347\u5230 1.5s \u4ee5\u4e0a\uff0c\u540c\u65f6\u540e\u53f0\u63d2\u4ef6\u663e\u793a\u5355\u9875\u67e5\u8be2\u6570\u8d85\u8fc7 100 \u6b21\uff0c\u5c31\u503c\u5f97\u8fdb\u5165\u6570\u636e\u5e93\u6392\u67e5\u3002\u5173\u4e8e\u9875\u9762\u54cd\u5e94\u65f6\u95f4\u7684\u6574\u4f53\u5224\u65ad\uff0c\u4e5f\u53ef\u4ee5\u7ed3\u5408 <a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/wordpress-speed-optimization-guide\/\">WordPress \u901f\u5ea6\u4f18\u5316\u6307\u5357<\/a> \u4e00\u8d77\u770b\uff0c\u907f\u514d\u628a\u7f51\u7edc\u3001\u7f13\u5b58\u548c\u6570\u636e\u5e93\u95ee\u9898\u6df7\u5728\u4e00\u8d77\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/wordpress-database-cleanup-query-optimization-slow-query.webp\" alt=\"\u6162\u67e5\u8be2\u5b9a\u4f4d\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u6709\u670d\u52a1\u5668\u6743\u9650\u65f6\uff0c\u53ef\u4ee5\u5148\u5f00\u542f MySQL\uff08\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff09\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u89c2\u5bdf\u8d85\u8fc7 1 \u79d2\u7684 SQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff09\u8bed\u53e5\u3002\u5e38\u89c1\u914d\u7f6e\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n<pre><code>slow_query_log = 1\nlong_query_time = 1\nlog_queries_not_using_indexes = 0\n<\/code><\/pre>\n<p>\u6ca1\u6709\u670d\u52a1\u5668\u7ba1\u7406\u6743\u9650\u65f6\uff0c\u53ef\u4ee5\u7528 Query Monitor \u4e34\u65f6\u89c2\u5bdf\u5355\u9875\u67e5\u8be2\u6765\u6e90\uff1b\u6d4b\u8bd5\u7ed3\u675f\u540e\u5173\u95ed\u8c03\u8bd5\u63d2\u4ef6\uff0c\u907f\u514d\u957f\u671f\u589e\u52a0\u540e\u53f0\u8d1f\u62c5\u3002<\/p>\n<h2>\u6e05\u7406\u524d\u5148\u505a\u53ef\u6062\u590d\u5907\u4efd<\/h2>\n<p>\u6570\u636e\u5e93\u6e05\u7406\u770b\u8d77\u6765\u50cf\u201c\u51cf\u6cd5\u201d\uff0c\u5b9e\u9645\u5c5e\u4e8e\u9ad8\u98ce\u9669\u8fd0\u7ef4\u52a8\u4f5c\u3002\u4fee\u8ba2\u7248\u672c\u3001\u8349\u7a3f\u3001\u5783\u573e\u8bc4\u8bba\u548c\u8fc7\u671f\u77ac\u6001\u6570\u636e\u901a\u5e38\u53ef\u4ee5\u5220\u9664\uff0c\u4f46\u8868\u5355\u63d0\u4ea4\u3001\u8ba2\u5355\u3001\u4f1a\u5458\u8d44\u6599\u3001\u4e0b\u8f7d\u8bb0\u5f55\u548c SEO\uff08\u641c\u7d22\u5f15\u64ce\u4f18\u5316\uff09\u63d2\u4ef6\u914d\u7f6e\u5f80\u5f80\u4e5f\u5b58\u5728\u6570\u636e\u5e93\u91cc\u3002\u6e05\u7406\u524d\u6ca1\u6709\u5907\u4efd\uff0c\u5c31\u7b49\u4e8e\u628a\u4e00\u6b21\u666e\u901a\u4f18\u5316\u53d8\u6210\u4e0d\u53ef\u9006\u64cd\u4f5c\u3002<\/p>\n<p>\u5efa\u8bae\u81f3\u5c11\u51c6\u5907\u4e24\u5c42\u5907\u4efd\uff1a\u4e00\u4efd\u7531\u4e3b\u673a\u9762\u677f\u6216\u5907\u4efd\u7cfb\u7edf\u751f\u6210\u7684\u5b8c\u6574\u7ad9\u70b9\u5907\u4efd\uff0c\u4e00\u4efd\u7528\u6570\u636e\u5e93\u5bfc\u51fa\u5de5\u5177\u751f\u6210\u7684\u72ec\u7acb SQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff09\u6587\u4ef6\u3002\u72ec\u7acb\u5bfc\u51fa\u53ef\u4ee5\u7528 phpMyAdmin\uff0c\u4e5f\u53ef\u4ee5\u5728\u6709\u547d\u4ee4\u884c\u6743\u9650\u65f6\u6267\u884c\uff1a<\/p>\n<pre><code>mysqldump -u db_user -p db_name &gt; wordpress-before-cleanup.sql\n<\/code><\/pre>\n<p>\u5907\u4efd\u5b8c\u6210\u540e\uff0c\u8981\u68c0\u67e5\u6587\u4ef6\u5927\u5c0f\u662f\u5426\u5408\u7406\u3002\u4f8b\u5982\u6570\u636e\u5e93\u539f\u672c\u6709 800MB\uff0c\u5bfc\u51fa\u7684 SQL \u6587\u4ef6\u53ea\u6709\u51e0 KB\uff0c\u57fa\u672c\u8bf4\u660e\u5bfc\u51fa\u5931\u8d25\u6216\u6743\u9650\u4e0d\u5b8c\u6574\u3002<\/p>\n<p>\u751f\u4ea7\u7ad9\u9009\u62e9\u8fd0\u884c\u73af\u5883\u65f6\uff0c\u9664\u4e86\u770b CPU\uff08\u4e2d\u592e\u5904\u7406\u5668\uff09\u548c\u5185\u5b58\uff0c\u4e5f\u8981\u786e\u8ba4\u662f\u5426\u652f\u6301\u81ea\u52a8\u5907\u4efd\u3001\u624b\u52a8\u5feb\u7167\u548c\u6570\u636e\u5e93\u6062\u590d\u3002\u53ef\u7ed3\u5408 <a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/\">WordPress \u6559\u7a0b<\/a> \u5148\u5efa\u7acb\u53ef\u6062\u590d\u80fd\u529b\u3002<\/p>\n<h2>\u4f18\u5148\u6e05\u7406\u9ad8\u5197\u4f59\u3001\u4f4e\u98ce\u9669\u6570\u636e<\/h2>\n<p>\u771f\u6b63\u9002\u5408\u4f5c\u4e3a\u7b2c\u4e00\u8f6e\u6e05\u7406\u76ee\u6807\u7684\uff0c\u662f\u201c\u5220\u9664\u540e\u4e0d\u5f71\u54cd\u4e1a\u52a1\u4e3b\u6570\u636e\u201d\u7684\u5197\u4f59\u5185\u5bb9\u3002\u5b83\u4eec\u901a\u5e38\u6765\u81ea\u6587\u7ae0\u7f16\u8f91\u3001\u8bc4\u8bba\u5ba1\u6838\u3001\u63d2\u4ef6\u7f13\u5b58\u548c\u4e34\u65f6\u4efb\u52a1\u3002\u4e0d\u8981\u628a\u6240\u6709\u8868\u4e00\u6b21\u6027\u6e05\u7a7a\uff0c\u800c\u5e94\u5206\u7c7b\u578b\u3001\u5206\u6279\u6b21\u6267\u884c\uff0c\u6bcf\u4e00\u6b65\u90fd\u4fdd\u7559\u53ef\u56de\u6eda\u7a7a\u95f4\u3002<\/p>\n<ul>\n<li><strong>\u6587\u7ae0\u4fee\u8ba2\u7248\u672c\uff1a<\/strong>\u957f\u671f\u7f16\u8f91\u5185\u5bb9\u7684\u7ad9\u70b9\uff0c\u5355\u7bc7\u6587\u7ae0\u53ef\u80fd\u7559\u4e0b 20-50 \u6761\u4fee\u8ba2\u8bb0\u5f55\uff0c1000 \u7bc7\u6587\u7ae0\u5c31\u53ef\u80fd\u5806\u51fa\u6570\u4e07\u884c wp_posts \u8bb0\u5f55\u3002<\/li>\n<li><strong>\u81ea\u52a8\u8349\u7a3f\u4e0e\u56de\u6536\u7ad9\uff1a<\/strong>\u81ea\u52a8\u4fdd\u5b58\u5931\u8d25\u3001\u6279\u91cf\u5bfc\u5165\u548c\u5220\u9664\u5185\u5bb9\u540e\uff0c\u56de\u6536\u7ad9\u6570\u636e\u53ef\u80fd\u7ee7\u7eed\u5360\u7528 wp_posts \u4e0e wp_postmeta\u3002<\/li>\n<li><strong>\u5783\u573e\u8bc4\u8bba\uff1a<\/strong>\u88ab\u62e6\u622a\u7684 spam \u8bc4\u8bba\u4f1a\u589e\u52a0 wp_comments \u548c wp_commentmeta \u4f53\u79ef\uff0c\u8bc4\u8bba\u91cf\u5927\u7684\u7ad9\u70b9\u5e94\u5b9a\u671f\u6e05\u7406\u3002<\/li>\n<li><strong>\u8fc7\u671f transient\uff1a<\/strong>\u77ac\u6001\u7f13\u5b58\u672c\u5e94\u81ea\u52a8\u8fc7\u671f\uff0c\u4f46\u90e8\u5206\u63d2\u4ef6\u5378\u8f7d\u540e\u4f1a\u9057\u7559\u5927\u91cf _transient \u5f00\u5934\u7684 option\u3002<\/li>\n<li><strong>\u5b64\u7acb meta\uff1a<\/strong>\u6587\u7ae0\u3001\u7528\u6237\u6216\u8bc4\u8bba\u5220\u9664\u540e\uff0c\u5bf9\u5e94 meta \u8bb0\u5f55\u672a\u540c\u6b65\u6e05\u6389\uff0c\u4f1a\u62d6\u6162\u540e\u53f0\u67e5\u8be2\u548c\u5bfc\u51fa\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f7f\u7528 WP-CLI\uff08WordPress \u547d\u4ee4\u884c\u5de5\u5177\uff09\uff0c\u53ef\u4ee5\u7528\u66f4\u53ef\u63a7\u7684\u65b9\u5f0f\u5904\u7406\u90e8\u5206\u6570\u636e\u3002\u4f8b\u5982\u5148\u67e5\u770b\u6570\u91cf\uff0c\u518d\u5206\u6279\u5220\u9664\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u70b9\u51fb\u63d2\u4ef6\u7684\u4e00\u952e\u6e05\u7406\uff1a<\/p>\n<pre><code>wp post list --post_type='revision' --format=count\nwp post delete $(wp post list --post_type='revision' --format=ids) --force\nwp transient delete --expired\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u547d\u4ee4\u9002\u5408\u5177\u5907 SSH\uff08\u5b89\u5168\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff09\u6743\u9650\u7684\u73af\u5883\u3002\u6ca1\u6709\u547d\u4ee4\u884c\u6743\u9650\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6210\u719f\u4f18\u5316\u63d2\u4ef6\uff0c\u4f46\u8981\u9010\u9879\u52fe\u9009\uff1b\u6e05\u7406\u540e\u5148\u68c0\u67e5\u6587\u7ae0\u5217\u8868\u3001\u5a92\u4f53\u5e93\u3001\u8bc4\u8bba\u9875\u548c\u8868\u5355\u63d2\u4ef6\u9875\u9762\u3002<\/p>\n<h2>\u6162\u67e5\u8be2\u901a\u5e38\u6765\u81ea\u63d2\u4ef6\u3001\u7d22\u5f15\u548c\u8fc7\u5927\u7684 meta \u8868<\/h2>\n<p>\u6e05\u7406\u5197\u4f59\u6570\u636e\u80fd\u964d\u4f4e\u8868\u4f53\u79ef\uff0c\u4f46\u5e76\u4e0d\u4e00\u5b9a\u89e3\u51b3\u6162\u67e5\u8be2\u3002WordPress\uff08\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff09\u7684\u6027\u80fd\u95ee\u9898\u7ecf\u5e38\u96c6\u4e2d\u5728 wp_options\u3001wp_postmeta\u3001wp_usermeta \u548c\u63d2\u4ef6\u81ea\u5efa\u8868\u3002\u5c24\u5176\u662f\u7535\u5546\u3001\u4f1a\u5458\u3001\u4e0b\u8f7d\u3001\u8868\u5355\u548c\u591a\u8bed\u8a00\u7ad9\u70b9\uff0cmeta \u8868\u4f1a\u5b58\u50a8\u5927\u91cf\u952e\u503c\u6570\u636e\uff0c\u5982\u679c\u67e5\u8be2\u6761\u4ef6\u6ca1\u6709\u5408\u9002\u7d22\u5f15\uff0c\u5c31\u5bb9\u6613\u4ece\u51e0\u5341\u6beb\u79d2\u53d8\u6210\u51e0\u79d2\u3002<\/p>\n<p>\u6392\u67e5\u65f6\u53ef\u4ee5\u5148\u770b\u6162\u67e5\u8be2\u662f\u5426\u53cd\u590d\u51fa\u73b0 LIKE\u3001meta_key\u3001autoload \u6216\u590d\u6742 JOIN\uff08\u591a\u8868\u5173\u8054\u67e5\u8be2\uff09\u3002\u4f8b\u5982\u67d0\u4e9b\u63d2\u4ef6\u4f1a\u5728\u6bcf\u6b21\u9875\u9762\u52a0\u8f7d\u65f6\u8bfb\u53d6\u5927\u91cf autoload = yes \u7684 option\uff0c\u5bfc\u81f4\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u5e26\u7740\u4e00\u5927\u5305\u914d\u7f6e\u6570\u636e\u3002\u53ef\u4ee5\u7528\u4e0b\u9762\u7684 SQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff09\u67e5\u770b\u81ea\u52a8\u52a0\u8f7d\u6570\u636e\u7684\u4f53\u79ef\u5206\u5e03\uff1a<\/p>\n<pre><code>SELECT option_name, LENGTH(option_value) AS size\nFROM wp_options\nWHERE autoload = 'yes'\nORDER BY size DESC\nLIMIT 20;\n<\/code><\/pre>\n<p>\u5982\u679c\u524d 20 \u6761\u91cc\u51fa\u73b0\u5df2\u7ecf\u505c\u7528\u63d2\u4ef6\u7684\u7f13\u5b58\u9879\u3001\u65e5\u5fd7\u9879\u6216\u4e34\u65f6\u914d\u7f6e\uff0c\u624d\u8003\u8651\u5220\u9664\u6216\u6539\u4e3a\u4e0d\u81ea\u52a8\u52a0\u8f7d\u3002\u8fd9\u91cc\u4e0d\u8981\u53ea\u51ed\u540d\u79f0\u5224\u65ad\uff0c\u6700\u597d\u5148\u641c\u7d22\u63d2\u4ef6\u6587\u6863\u6216\u5728\u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\u3002\u5bf9\u7535\u5546\u548c\u4f1a\u5458\u7c7b\u7ad9\u70b9\uff0c\u8fd8\u8981\u907f\u514d\u5220\u9664 order\u3001customer\u3001subscription\u3001license \u7b49\u4e1a\u52a1\u76f8\u5173\u5b57\u6bb5\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/wordpress-database-cleanup-query-optimization-cleanup.webp\" alt=\"\u6570\u636e\u5e93\u6e05\u7406\u524d\u540e\u5bf9\u6bd4\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u7d22\u5f15\u4f18\u5316\u4e5f\u8981\u8c28\u614e\u3002\u7ed9\u9ad8\u9891\u67e5\u8be2\u5b57\u6bb5\u589e\u52a0\u7d22\u5f15\u53ef\u80fd\u964d\u4f4e\u626b\u63cf\u884c\u6570\uff0c\u4f46\u5199\u5165\u9891\u7e41\u7684\u8868\u4f1a\u4ed8\u51fa\u7ef4\u62a4\u6210\u672c\u3002\u7a33\u59a5\u6d41\u7a0b\u662f\u5148\u7528 EXPLAIN\uff08SQL \u67e5\u8be2\u6267\u884c\u8ba1\u5212\u5206\u6790\u547d\u4ee4\uff09\u89c2\u5bdf\u626b\u63cf\u884c\u6570\uff0c\u518d\u5728\u6d4b\u8bd5\u5e93\u52a0\u7d22\u5f15\u3002<\/p>\n<pre><code>EXPLAIN SELECT post_id\nFROM wp_postmeta\nWHERE meta_key = '_thumbnail_id';\n<\/code><\/pre>\n<p>\u5bf9\u5927\u8868\u6267\u884c ALTER TABLE\uff08\u4fee\u6539\u6570\u636e\u8868\u7ed3\u6784\u547d\u4ee4\uff09\u524d\uff0c\u5e94\u907f\u5f00\u8bbf\u95ee\u9ad8\u5cf0\u5e76\u786e\u8ba4\u6709\u5b8c\u6574\u5907\u4efd\uff0c\u56e0\u4e3a\u51e0\u767e\u4e07\u884c\u8868\u7684\u7d22\u5f15\u53d8\u66f4\u53ef\u80fd\u9501\u8868\u6216\u6d88\u8017\u5927\u91cf I\/O\uff08\u8f93\u5165\u8f93\u51fa\u6027\u80fd\uff09\u3002<\/p>\n<h2>\u7528\u7f13\u5b58\u51cf\u5c11\u91cd\u590d\u67e5\u8be2\uff0c\u800c\u4e0d\u662f\u63a9\u76d6\u9519\u8bef\u67e5\u8be2<\/h2>\n<p>\u6570\u636e\u5e93\u4f18\u5316\u4e0d\u7b49\u4e8e\u628a\u6240\u6709\u67e5\u8be2\u90fd\u5220\u6389\u3002\u52a8\u6001\u7ad9\u70b9\u4ecd\u7136\u9700\u8981\u8bfb\u53d6\u6587\u7ae0\u3001\u7528\u6237\u3001\u8d2d\u7269\u8f66\u3001\u5e93\u5b58\u548c\u6743\u9650\u6570\u636e\u3002\u5408\u7406\u7f13\u5b58\u7684\u4ef7\u503c\uff0c\u662f\u628a\u91cd\u590d\u67e5\u8be2\u4ece\u6bcf\u6b21\u8bf7\u6c42\u4e2d\u79fb\u51fa\u53bb\uff0c\u8ba9\u6570\u636e\u5e93\u628a\u8d44\u6e90\u7559\u7ed9\u771f\u6b63\u9700\u8981\u5b9e\u65f6\u8ba1\u7b97\u7684\u8bf7\u6c42\u3002<\/p>\n<p>\u5e38\u89c1\u7ec4\u5408\u662f\u201c\u9875\u9762\u7f13\u5b58 + \u5bf9\u8c61\u7f13\u5b58 + \u6570\u636e\u5e93\u6e05\u7406\u201d\u3002\u9875\u9762\u7f13\u5b58\u9002\u5408\u6587\u7ae0\u9875\u3001\u5206\u7c7b\u9875\u548c\u6d3b\u52a8\u843d\u5730\u9875\uff1b\u5bf9\u8c61\u7f13\u5b58\u9002\u5408\u767b\u5f55\u7528\u6237\u591a\u3001\u540e\u53f0\u64cd\u4f5c\u9891\u7e41\u6216\u52a8\u6001\u6a21\u5757\u8f83\u591a\u7684\u7ad9\u70b9\uff1b\u6570\u636e\u5e93\u6e05\u7406\u8d1f\u8d23\u51cf\u5c11\u5386\u53f2\u5305\u88b1\u3002\u60f3\u6bd4\u8f83\u4e0d\u540c\u7f13\u5b58\u63d2\u4ef6\u7684\u9002\u7528\u8fb9\u754c\uff0c\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">WordPress \u7f13\u5b58\u63d2\u4ef6\u5bf9\u6bd4<\/a>\uff0c\u5148\u786e\u5b9a\u662f\u9875\u9762\u7f13\u5b58\u4e0d\u8db3\uff0c\u8fd8\u662f\u5bf9\u8c61\u7f13\u5b58\u7f3a\u5931\u3002<\/p>\n<p>\u5bf9\u8c61\u7f13\u5b58\u901a\u5e38\u4f1a\u7528 Redis\uff08\u5185\u5b58\u952e\u503c\u6570\u636e\u5e93\uff09\u4fdd\u5b58\u67e5\u8be2\u7ed3\u679c\u3002\u5b83\u80fd\u628a\u91cd\u590d\u8bfb\u53d6\u8f6c\u79fb\u5230\u5185\u5b58\uff0c\u4f46\u4e0d\u80fd\u4fee\u590d\u9519\u8bef SQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff09\u6216\u8fc7\u5ea6\u81a8\u80c0\u7684\u8868\u3002<\/p>\n<p>\u5982\u679c\u7ad9\u70b9\u8fd0\u884c\u5728 [VPS](https:\/\/cn.hostease.com\/vps\/)\uff08[\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668](https:\/\/cn.hostease.com\/vps\/)\uff09\u73af\u5883\uff0c\u53ef\u4ee5\u6839\u636e\u5185\u5b58\u4f59\u91cf\u914d\u7f6e\u5bf9\u8c61\u7f13\u5b58\u30021GB \u5185\u5b58\u7684\u5c0f\u7ad9\u4e0d\u5efa\u8bae\u76f2\u76ee\u5f00\u542f\u591a\u4e2a\u7f13\u5b58\u670d\u52a1\uff1b2GB \u5230 4GB \u5185\u5b58\u7684\u4e2d\u5c0f\u7ad9\uff0c\u53ef\u9884\u7559 128MB \u5230 256MB \u505a\u521d\u59cb\u6d4b\u8bd5\u3002\u8d44\u6e90\u8bc4\u4f30\u53ef\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS \u4e3b\u673a<\/a> \u914d\u7f6e\u3002<\/p>\n<h2>\u5efa\u7acb\u6bcf\u6708\u4e00\u6b21\u7684\u7ef4\u62a4\u8282\u594f<\/h2>\n<p>\u4e00\u6b21\u6e05\u7406\u80fd\u8ba9\u6570\u636e\u5e93\u53d8\u8f7b\uff0c\u4f46 WordPress\uff08\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff09\u4f1a\u6301\u7eed\u4ea7\u751f\u65b0\u6570\u636e\u3002\u6587\u7ae0\u4fee\u8ba2\u3001\u8868\u5355\u65e5\u5fd7\u3001\u63d2\u4ef6\u7f13\u5b58\u3001\u641c\u7d22\u8bb0\u5f55\u548c\u5b89\u5168\u626b\u63cf\u65e5\u5fd7\u90fd\u4f1a\u7ee7\u7eed\u589e\u957f\u3002\u66f4\u53ef\u6301\u7eed\u7684\u65b9\u5f0f\uff0c\u662f\u628a\u6570\u636e\u5e93\u4f18\u5316\u505a\u6210\u8f7b\u91cf\u7ef4\u62a4\u6d41\u7a0b\uff0c\u800c\u4e0d\u662f\u7b49\u5230\u540e\u53f0\u6253\u4e0d\u5f00\u624d\u4e34\u65f6\u62a2\u4fee\u3002<\/p>\n<p>\u5efa\u8bae\u628a\u7ef4\u62a4\u9891\u7387\u5206\u6210\u4e09\u6863\uff1a\u5185\u5bb9\u7ad9\u6bcf\u6708\u6e05\u7406\u4e00\u6b21\u4fee\u8ba2\u3001\u5783\u573e\u8bc4\u8bba\u548c\u8fc7\u671f transient\uff1b\u7535\u5546\u6216\u4f1a\u5458\u7ad9\u6bcf\u4e24\u5468\u68c0\u67e5\u6162\u67e5\u8be2\u548c\u5173\u952e\u8868\u4f53\u79ef\uff1b\u9ad8\u6d41\u91cf\u7ad9\u6bcf\u5468\u590d\u76d8\u6162\u67e5\u8be2\u65e5\u5fd7\u3002\u6bcf\u6b21\u53ea\u5904\u7406 1-2 \u7c7b\u95ee\u9898\uff0c\u65b9\u4fbf\u5b9a\u4f4d\u6548\u679c\u548c\u56de\u6eda\u3002<\/p>\n<p>\u7ef4\u62a4\u8bb0\u5f55\u81f3\u5c11\u5199\u6e05\u695a\u56db\u4ef6\u4e8b\uff1a\u64cd\u4f5c\u65f6\u95f4\u3001\u5907\u4efd\u6587\u4ef6\u3001\u5220\u9664\u6570\u636e\u7c7b\u578b\u3001\u9a8c\u8bc1\u7ed3\u679c\u3002\u6bd4\u5982\u201c2026-08-14\uff0c\u5907\u4efd wordpress-before-cleanup.sql\uff0c\u5220\u9664 18642 \u6761 revision\uff0cTTFB \u4e2d\u4f4d\u6570\u4ece 780ms \u964d\u5230 520ms\uff0c\u540e\u53f0\u6587\u7ae0\u5217\u8868\u6253\u5f00\u6b63\u5e38\u201d\u3002\u8fd9\u79cd\u8bb0\u5f55\u6bd4\u201c\u5df2\u4f18\u5316\u6570\u636e\u5e93\u201d\u66f4\u6709\u4ef7\u503c\uff0c\u56e0\u4e3a\u4e0b\u6b21\u6027\u80fd\u6ce2\u52a8\u65f6\uff0c\u4f60\u80fd\u77e5\u9053\u4e0a\u6b21\u6539\u4e86\u4ec0\u4e48\u3002<\/p>\n<p>\u5982\u679c\u4f60\u4f7f\u7528 Hostease \u7684\u4e3b\u673a\u65b9\u6848\uff0c\u53ef\u4ee5\u5148\u786e\u8ba4\u63a7\u5236\u9762\u677f\u91cc\u7684\u5907\u4efd\u3001PHP\uff08\u4e00\u79cd\u670d\u52a1\u5668\u7aef\u811a\u672c\u8bed\u8a00\uff09\u7248\u672c\u3001\u6570\u636e\u5e93\u7248\u672c\u548c\u7f13\u5b58\u652f\u6301\u60c5\u51b5\uff0c\u518d\u51b3\u5b9a\u662f\u5426\u542f\u7528\u5bf9\u8c61\u7f13\u5b58\u6216\u8c03\u6574\u8d44\u6e90\u914d\u7f6e\u3002<\/p>\n<h2>\u603b\u7ed3\uff1a\u4f18\u5316\u6570\u636e\u5e93\u8981\u5148\u5b89\u5168\uff0c\u518d\u63d0\u901f<\/h2>\n<p>\u603b\u7ed3\u6765\u770b\uff0cWordPress 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