{"id":32071,"date":"2026-07-20T10:00:00","date_gmt":"2026-07-20T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32071"},"modified":"2026-07-25T21:33:44","modified_gmt":"2026-07-25T13:33:44","slug":"wordpress-database-troubleshooting","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-database-troubleshooting\/","title":{"rendered":"WordPress \u6570\u636e\u5e93\u4f18\u5316\uff1a\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\u5b9a\u4f4d\u53d8\u6162\u74f6\u9888"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/wordpress-database-troubleshooting-cover.webp\" alt=\"WordPress \u6570\u636e\u5e93\u6392\u67e5\u5de5\u4f5c\u53f0\" loading=\"lazy\" \/><\/p>\n<p>WordPress \u6570\u636e\u5e93\u4f18\u5316\u6700\u6015\u201c\u611f\u89c9\u6162\u201d\u3002\u9875\u9762\u6253\u5f00\u6162\u3001\u540e\u53f0\u4fdd\u5b58\u6587\u7ae0\u5361\u3001\u641c\u7d22\u7ed3\u679c\u8fdf\u8fdf\u4e0d\u8fd4\u56de\uff0c\u8868\u9762\u770b\u90fd\u50cf\u4e3b\u673a\u6027\u80fd\u4e0d\u591f\uff0c\u4f46\u771f\u6b63\u539f\u56e0\u53ef\u80fd\u662f\u6162\u67e5\u8be2\u3001\u7d22\u5f15\u7f3a\u5931\u3001\u63d2\u4ef6\u53cd\u590d\u626b\u63cf\u5927\u8868\uff0c\u6216\u8005\u7f13\u5b58\u547d\u4e2d\u7387\u4e0b\u964d\u3002\u672c\u6587\u89e3\u51b3\u7684\u95ee\u9898\u5f88\u5177\u4f53\uff1a\u5982\u4f55\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\u548c\u7d22\u5f15\u57fa\u7ebf\uff0c\u628a\u201c\u6570\u636e\u5e93\u53d8\u6162\u201d\u62c6\u6210\u53ef\u9a8c\u8bc1\u7684\u6392\u67e5\u6b65\u9aa4\uff0c\u800c\u4e0d\u662f\u4e00\u4e0a\u6765\u5c31\u6e05\u7a7a\u8868\u3001\u505c\u63d2\u4ef6\u3001\u6362\u73af\u5883\u3002<\/p>\n<p>\u6211\u4eec\u4f1a\u4ece\u4e00\u4e2a\u5e38\u89c1\u573a\u666f\u5f00\u59cb\uff1a\u7f51\u7ad9\u5185\u5bb9\u91cf\u589e\u957f\u5230\u6570\u5343\u7bc7\u6587\u7ae0\uff0c<code>wp_posts<\/code>\u3001<code>wp_postmeta<\/code> \u548c <code>wp_options<\/code> \u9010\u6e10\u53d8\u5927\uff0c\u540e\u53f0\u5217\u8868\u3001\u8ba2\u5355\u67e5\u8be2\u6216\u7ad9\u5185\u641c\u7d22\u5f00\u59cb\u53d8\u6162\u3002\u6b64\u65f6\u5982\u679c\u53ea\u770b\u5e73\u5747 CPU \u6216\u5185\u5b58\uff0c\u5f88\u5bb9\u6613\u6f0f\u6389\u5355\u6761 SQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff09\u53cd\u590d\u5168\u8868\u626b\u63cf\u7684\u95ee\u9898\u3002\u66f4\u7a33\u59a5\u7684\u505a\u6cd5\uff0c\u662f\u5148\u5efa\u7acb\u57fa\u7ebf\uff0c\u518d\u6253\u5f00\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u6700\u540e\u7528 <code>EXPLAIN<\/code> \u67e5\u770b\u6267\u884c\u8ba1\u5212\uff0c\u786e\u8ba4\u5230\u5e95\u662f\u54ea\u4e00\u7c7b\u67e5\u8be2\u5728\u62d6\u6162\u7ad9\u70b9\u3002<\/p>\n<h2>\u5148\u5efa\u7acb\u6392\u67e5\u57fa\u7ebf\uff0c\u907f\u514d\u628a\u5076\u53d1\u6162\u5f53\u6210\u957f\u671f\u95ee\u9898<\/h2>\n<p>\u6392\u67e5 WordPress \u6570\u636e\u5e93\u4f18\u5316\u95ee\u9898\u524d\uff0c\u5148\u8bb0\u5f55\u201c\u6b63\u5e38\u60c5\u51b5\u4e0b\u201d\u7684\u57fa\u7ebf\u3002\u6ca1\u6709\u57fa\u7ebf\uff0c\u5c31\u65e0\u6cd5\u5224\u65ad\u4e00\u6b21\u4f18\u5316\u662f\u5426\u771f\u7684\u6709\u6548\u3002\u5efa\u8bae\u81f3\u5c11\u8bb0\u5f55 3 \u7c7b\u6570\u636e\uff1a\u9875\u9762\u54cd\u5e94\u65f6\u95f4\u3001\u6570\u636e\u5e93\u6162\u67e5\u8be2\u6570\u91cf\u3001\u5173\u952e\u8868\u89c4\u6a21\u3002\u6bd4\u5982\u9996\u9875\u9996\u5b57\u8282\u65f6\u95f4\u4ece 300ms \u5347\u5230 1.2s\uff0c\u540e\u53f0\u6587\u7ae0\u5217\u8868\u4ece 1 \u79d2\u5347\u5230 6 \u79d2\uff0c\u8fd9\u79cd\u53d8\u5316\u6bd4\u201c\u611f\u89c9\u5361\u201d\u66f4\u9002\u5408\u5b9a\u4f4d\u3002<\/p>\n<p>\u53ef\u4ee5\u5148\u7528\u547d\u4ee4\u628a\u8868\u89c4\u6a21\u548c\u7d22\u5f15\u60c5\u51b5\u5bfc\u51fa\uff0c\u4f5c\u4e3a\u4f18\u5316\u524d\u5feb\u7167\uff1a<\/p>\n<pre><code class=\"language-sql\">SELECT table_name, table_rows, ROUND(data_length\/1024\/1024, 2) AS data_mb,\n       ROUND(index_length\/1024\/1024, 2) AS index_mb\nFROM information_schema.tables\nWHERE table_schema = DATABASE()\nORDER BY data_length DESC\nLIMIT 10;\n<\/code><\/pre>\n<p>\u8fd9\u6761\u67e5\u8be2\u80fd\u770b\u51fa\u54ea\u4e9b\u8868\u589e\u957f\u6700\u5feb\u3002\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c<code>wp_postmeta<\/code> \u5f80\u5f80\u6bd4 <code>wp_posts<\/code> \u5927\u5f97\u591a\uff0c\u56e0\u4e3a\u6bcf\u7bc7\u6587\u7ae0\u3001\u5546\u54c1\u3001\u9875\u9762\u6784\u5efa\u5668\u5b57\u6bb5\u90fd\u53ef\u80fd\u5199\u5165\u591a\u6761 meta \u6570\u636e\u3002\u5982\u679c <code>wp_postmeta<\/code> \u5df2\u7ecf\u8fbe\u5230\u6570\u767e\u4e07\u884c\uff0c\u800c\u67d0\u4e2a\u63d2\u4ef6\u6309 <code>meta_value<\/code> \u505a\u6a21\u7cca\u67e5\u8be2\uff0c\u9875\u9762\u6162\u5c31\u4e0d\u5947\u602a\u3002<\/p>\n<p>\u63a5\u7740\u8bb0\u5f55 WordPress\uff08\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff09\u81ea\u8eab\u7684\u8bbf\u95ee\u8def\u5f84\u3002\u524d\u53f0\u6162\u548c\u540e\u53f0\u6162\u901a\u5e38\u4e0d\u662f\u540c\u4e00\u7c7b\u95ee\u9898\uff1a\u524d\u53f0\u6162\u53ef\u80fd\u6765\u81ea\u70ed\u95e8\u9875\u9762\u7f13\u5b58\u5931\u6548\uff0c\u540e\u53f0\u6162\u53ef\u80fd\u6765\u81ea\u6587\u7ae0\u5217\u8868\u7b5b\u9009\u3001\u8ba2\u5355\u5217\u8868\u3001\u7edf\u8ba1\u63d2\u4ef6\u6216\u641c\u7d22\u63d2\u4ef6\u3002\u4f60\u53ef\u4ee5\u628a\u95ee\u9898\u6309\u8def\u5f84\u5206\u7ec4\uff0c\u4f8b\u5982 <code>\/wp-admin\/edit.php<\/code>\u3001<code>\/?s=keyword<\/code>\u3001\u4ea7\u54c1\u5206\u7c7b\u9875\u548c\u9996\u9875\u3002\u5206\u7ec4\u4e4b\u540e\u518d\u770b\u6162\u67e5\u8be2\uff0c\u624d\u77e5\u9053\u54ea\u6761 SQL \u5bf9\u5e94\u54ea\u4e2a\u4e1a\u52a1\u52a8\u4f5c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/wordpress-database-baseline.webp\" alt=\"\u6570\u636e\u5e93\u57fa\u7ebf\u5feb\u7167\" loading=\"lazy\" \/><\/p>\n<h2>\u6253\u5f00\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8ba9\u95ee\u9898\u4ece\u731c\u6d4b\u53d8\u6210\u8bc1\u636e<\/h2>\n<p>\u6709\u4e86\u57fa\u7ebf\u540e\uff0c\u518d\u6253\u5f00 MySQL\uff08\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff09\u6216 MariaDB\uff08\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff09\u7684\u6162\u67e5\u8be2\u65e5\u5fd7\u3002\u6162\u67e5\u8be2\u65e5\u5fd7\u7684\u4ef7\u503c\u4e0d\u662f\u544a\u8bc9\u4f60\u201c\u6570\u636e\u5e93\u6162\u201d\uff0c\u800c\u662f\u5217\u51fa\u54ea\u4e9b SQL \u8d85\u8fc7\u9608\u503c\u3001\u626b\u63cf\u4e86\u591a\u5c11\u884c\u3001\u662f\u5426\u4f7f\u7528\u7d22\u5f15\u3002\u5bf9\u4e2d\u5c0f\u578b WordPress \u7f51\u7ad9\uff0c\u521d\u6b21\u6392\u67e5\u53ef\u4ee5\u628a <code>long_query_time<\/code> \u8bbe\u7f6e\u4e3a 1 \u79d2\uff1b\u5982\u679c\u7ad9\u70b9\u672c\u8eab\u8bbf\u95ee\u91cf\u9ad8\u6216\u67e5\u8be2\u5f88\u591a\uff0c\u518d\u964d\u4f4e\u5230 0.5 \u79d2\u505a\u77ed\u65f6\u95f4\u91c7\u6837\u3002<\/p>\n<p>\u5e38\u89c1\u914d\u7f6e\u5982\u4e0b\uff0c\u5efa\u8bae\u53ea\u5728\u6392\u67e5\u7a97\u53e3\u5f00\u542f\uff0c\u4f8b\u5982 30-60 \u5206\u949f\uff0c\u907f\u514d\u65e5\u5fd7\u5feb\u901f\u81a8\u80c0\uff1a<\/p>\n<pre><code class=\"language-sql\">SET GLOBAL slow_query_log = 'ON';\nSET GLOBAL long_query_time = 1;\nSET GLOBAL log_queries_not_using_indexes = 'ON';\n<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u6ca1\u6709\u6570\u636e\u5e93\u5168\u5c40\u6743\u9650\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u63a7\u5236\u9762\u677f\u6216\u6258\u7ba1\u652f\u6301\u4e2d\u5f00\u542f\u6162\u67e5\u8be2\u65e5\u5fd7\u3002Hostease \u7684\u6258\u7ba1\u73af\u5883\u9002\u5408\u628a\u8fd9\u7c7b\u6392\u969c\u4fe1\u606f\u548c\u8bbf\u95ee\u65f6\u95f4\u70b9\u4e00\u8d77\u63d0\u4ea4\u7ed9\u652f\u6301\u56e2\u961f\uff0c\u4f46\u6b63\u6587\u6392\u67e5\u4ecd\u5efa\u8bae\u5148\u4fdd\u7559\u672c\u5730\u8bc1\u636e\uff1a\u6162 SQL\u3001\u89e6\u53d1\u8def\u5f84\u3001\u91c7\u6837\u65f6\u95f4\u3001\u5f53\u65f6\u8bbf\u95ee\u91cf\u3002\u8fd9\u6837\u6c9f\u901a\u4f1a\u6bd4\u201c\u7f51\u7ad9\u6709\u70b9\u6162\u201d\u66f4\u9ad8\u6548\u3002<\/p>\n<p>\u6162\u67e5\u8be2\u65e5\u5fd7\u62ff\u5230\u540e\uff0c\u4e0d\u8981\u53ea\u770b\u6700\u957f\u7684\u4e00\u6761\u3002\u66f4\u6709\u4ef7\u503c\u7684\u662f\u201c\u91cd\u590d\u51fa\u73b0\u4e14\u5f71\u54cd\u8def\u5f84\u660e\u786e\u201d\u7684 SQL\u3002\u6bd4\u5982\u4e00\u6761 1.2 \u79d2\u7684\u67e5\u8be2\u6bcf\u5c0f\u65f6\u51fa\u73b0 200 \u6b21\uff0c\u901a\u5e38\u6bd4\u4e00\u6761 8 \u79d2\u4f46\u53ea\u51fa\u73b0 1 \u6b21\u7684\u540e\u53f0\u5bfc\u51fa\u67e5\u8be2\u66f4\u503c\u5f97\u5148\u5904\u7406\u3002\u53ef\u4ee5\u6309 SQL \u6307\u7eb9\u805a\u5408\uff0c\u89c2\u5bdf\u603b\u8017\u65f6\u3001\u5e73\u5747\u8017\u65f6\u548c\u51fa\u73b0\u6b21\u6570\u3002<\/p>\n<h2>\u7528 EXPLAIN \u5224\u65ad\u7d22\u5f15\u662f\u5426\u771f\u7684\u88ab\u4f7f\u7528<\/h2>\n<p>\u6162\u67e5\u8be2\u65e5\u5fd7\u53ea\u80fd\u544a\u8bc9\u4f60\u54ea\u6761 SQL \u6162\uff0c\u4e0d\u80fd\u76f4\u63a5\u544a\u8bc9\u4f60\u4e3a\u4ec0\u4e48\u6162\u3002\u4e0b\u4e00\u6b65\u8981\u628a\u95ee\u9898 SQL \u653e\u8fdb <code>EXPLAIN<\/code>\uff0c\u770b\u6267\u884c\u8ba1\u5212\u3002\u91cd\u70b9\u5173\u6ce8 4 \u4e2a\u5b57\u6bb5\uff1a<code>type<\/code>\u3001<code>possible_keys<\/code>\u3001<code>key<\/code>\u3001<code>rows<\/code>\u3002\u5982\u679c <code>key<\/code> \u4e3a\u7a7a\uff0c\u8bf4\u660e\u6ca1\u6709\u5b9e\u9645\u4f7f\u7528\u7d22\u5f15\uff1b\u5982\u679c <code>rows<\/code> \u5f88\u5927\uff0c\u8bf4\u660e\u6570\u636e\u5e93\u9700\u8981\u626b\u63cf\u5927\u91cf\u8bb0\u5f55\u624d\u80fd\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n<p>\u4e00\u4e2a\u5178\u578b\u7684\u6162\u67e5\u8be2\u53ef\u80fd\u6765\u81ea meta \u6761\u4ef6\u7b5b\u9009\uff1a<\/p>\n<pre><code class=\"language-sql\">EXPLAIN SELECT p.ID\nFROM wp_posts p\nJOIN wp_postmeta m ON p.ID = m.post_id\nWHERE p.post_type = 'post'\n  AND p.post_status = 'publish'\n  AND m.meta_key = '_featured_flag'\n  AND m.meta_value = '1'\nORDER BY p.post_date DESC\nLIMIT 20;\n<\/code><\/pre>\n<p>\u5982\u679c\u7ed3\u679c\u663e\u793a <code>wp_postmeta<\/code> \u626b\u63cf\u51e0\u5341\u4e07\u884c\uff0c\u4f18\u5316\u65b9\u5411\u5c31\u4e0d\u662f\u201c\u6e05\u7406\u7f13\u5b58\u201d\u8fd9\u4e48\u7b80\u5355\uff0c\u800c\u662f\u68c0\u67e5 meta \u67e5\u8be2\u662f\u5426\u5fc5\u8981\u3001\u63d2\u4ef6\u662f\u5426\u53ef\u8c03\u6574\u67e5\u8be2\u65b9\u5f0f\u3001\u662f\u5426\u9700\u8981\u628a\u9ad8\u9891\u7b5b\u9009\u5b57\u6bb5\u6539\u6210 taxonomy\uff08\u5206\u7c7b\u6cd5\uff09\u6216\u72ec\u7acb\u8868\u3002WordPress \u9ed8\u8ba4\u8868\u7ed3\u6784\u4e3a\u4e86\u901a\u7528\u6027\u8bbe\u8ba1\uff0c\u4e0d\u4e00\u5b9a\u9002\u5408\u6240\u6709\u9ad8\u9891\u4e1a\u52a1\u67e5\u8be2\u3002\u66f4\u591a WordPress \u7ad9\u70b9\u6027\u80fd\u57fa\u7840\uff0c\u53ef\u4ee5\u7ed3\u5408 <a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/\">WordPress \u5206\u7c7b\u5185\u5bb9<\/a> \u4e00\u8d77\u770b\uff0c\u5148\u786e\u8ba4\u95ee\u9898\u5728\u6570\u636e\u5e93\u5c42\u8fd8\u662f\u5e94\u7528\u5c42\u3002<\/p>\n<p>\u7d22\u5f15\u7ba1\u7406\u4e5f\u8981\u514b\u5236\u3002\u7ed9\u6bcf\u4e2a\u5b57\u6bb5\u90fd\u52a0\u7d22\u5f15\uff0c\u53ef\u80fd\u8ba9\u5199\u5165\u53d8\u6162\u3001\u5907\u4efd\u53d8\u5927\u3001\u7f13\u5b58\u547d\u4e2d\u4e0b\u964d\u3002\u66f4\u5408\u7406\u7684\u6807\u51c6\u662f\uff1a\u4e00\u6761\u67e5\u8be2\u9891\u7e41\u51fa\u73b0\u3001\u626b\u63cf\u884c\u6570\u660e\u663e\u8fc7\u9ad8\u3001\u4e1a\u52a1\u8def\u5f84\u91cd\u8981\uff0c\u5e76\u4e14\u7d22\u5f15\u80fd\u628a\u626b\u63cf\u8303\u56f4\u4ece\u51e0\u5341\u4e07\u884c\u964d\u5230\u51e0\u767e\u6216\u51e0\u5343\u884c\u3002\u6ee1\u8db3\u8fd9\u4e9b\u6761\u4ef6\uff0c\u518d\u8003\u8651\u65b0\u589e\u7ec4\u5408\u7d22\u5f15\u6216\u8c03\u6574\u67e5\u8be2\u65b9\u5f0f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/slow-query-explain.webp\" alt=\"\u6162\u67e5\u8be2\u4e0e\u6267\u884c\u8ba1\u5212\" loading=\"lazy\" \/><\/p>\n<h2>\u7d22\u5f15\u4e0d\u662f\u4e07\u80fd\u836f\uff0c\u5148\u5904\u7406\u9ad8\u9891\u4f4e\u8d28\u91cf\u67e5\u8be2<\/h2>\n<p>\u5f88\u591a WordPress \u6570\u636e\u5e93\u4f18\u5316\u5931\u8d25\uff0c\u662f\u56e0\u4e3a\u628a\u201c\u6162\u201d\u76f4\u63a5\u7b49\u540c\u4e8e\u201c\u7f3a\u7d22\u5f15\u201d\u3002\u5b9e\u9645\u4e0a\uff0c\u63d2\u4ef6\u751f\u6210\u7684\u4f4e\u8d28\u91cf\u67e5\u8be2\u3001\u8fc7\u671f\u6570\u636e\u5806\u79ef\u3001\u81ea\u52a8\u52a0\u8f7d\u9009\u9879\u8fc7\u5927\uff0c\u90fd\u53ef\u80fd\u8ba9\u7d22\u5f15\u6536\u76ca\u5f88\u6709\u9650\u3002\u6bd4\u5982 <code>wp_options<\/code> \u4e2d <code>autoload='yes'<\/code> \u7684\u6570\u636e\u5982\u679c\u8d85\u8fc7\u51e0 MB\uff0c\u6bcf\u6b21\u9875\u9762\u8bf7\u6c42\u90fd\u4f1a\u52a0\u8f7d\u5927\u91cf\u4e0d\u5fc5\u8981\u914d\u7f6e\uff0c\u524d\u53f0\u54cd\u5e94\u4f1a\u88ab\u62d6\u6162\u3002<\/p>\n<p>\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u67e5\u8be2\u68c0\u67e5\u81ea\u52a8\u52a0\u8f7d\u9009\u9879\u4f53\u79ef\uff1a<\/p>\n<pre><code class=\"language-sql\">SELECT option_name, ROUND(LENGTH(option_value)\/1024, 2) AS size_kb\nFROM wp_options\nWHERE autoload = 'yes'\nORDER BY LENGTH(option_value) DESC\nLIMIT 20;\n<\/code><\/pre>\n<p>\u5982\u679c\u6392\u5728\u524d\u9762\u7684\u5b57\u6bb5\u6765\u81ea\u5df2\u505c\u7528\u63d2\u4ef6\u3001\u4e34\u65f6\u7f13\u5b58\u6216\u5386\u53f2\u8fc1\u79fb\u6b8b\u7559\uff0c\u5c31\u53ef\u4ee5\u5148\u5907\u4efd\uff0c\u518d\u8bc4\u4f30\u662f\u5426\u6e05\u7406\u3002\u8fd9\u91cc\u7684\u91cd\u70b9\u662f\u201c\u8bc4\u4f30\u540e\u5904\u7406\u201d\uff0c\u4e0d\u662f\u76f4\u63a5\u5220\u9664\u3002\u751f\u4ea7\u7ad9\u70b9\u4e0a\uff0c\u4efb\u4f55 <code>DELETE<\/code>\u3001<code>UPDATE<\/code> \u90fd\u5e94\u5148\u5907\u4efd\uff0c\u5e76\u5728\u4f4e\u5cf0\u671f\u6267\u884c\u3002\u5bf9\u4e8e\u4f7f\u7528 <a href=\"https:\/\/cn.hostease.com\/wordpress-hosting\/\">WordPress\u4e3b\u673a<\/a> \u7684\u7ad9\u70b9\uff0c\u5efa\u8bae\u628a\u6570\u636e\u5e93\u5907\u4efd\u3001\u7f13\u5b58\u7b56\u7565\u548c\u6162\u67e5\u8be2\u6837\u672c\u653e\u5728\u540c\u4e00\u4e2a\u6392\u67e5\u5de5\u5355\u91cc\uff0c\u51cf\u5c11\u53cd\u590d\u6c9f\u901a\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\u662f\u540e\u53f0\u7edf\u8ba1\u7c7b\u63d2\u4ef6\u3002\u5b83\u4eec\u53ef\u80fd\u5728\u6bcf\u6b21\u8bbf\u95ee\u540e\u5199\u5165\u6d4f\u89c8\u8bb0\u5f55\uff0c\u53c8\u5728\u540e\u53f0\u62a5\u8868\u9875\u6309\u65f6\u95f4\u8303\u56f4\u805a\u5408\u3002\u8bbf\u95ee\u91cf\u4e00\u4e0a\u6765\uff0c\u5199\u5165\u548c\u8bfb\u53d6\u90fd\u4f1a\u589e\u52a0\u3002\u6b64\u65f6\u6570\u636e\u5e93\u6162\u4e0d\u662f\u5355\u4e00 SQL \u7684\u9519\uff0c\u800c\u662f\u4e1a\u52a1\u8bbe\u8ba1\u672c\u8eab\u9700\u8981\u964d\u9891\u3001\u5f52\u6863\u6216\u6539\u7528\u5f02\u6b65\u7edf\u8ba1\u3002<\/p>\n<h2>\u6309\u98ce\u9669\u6392\u5e8f\u4fee\u590d\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6539\u5b8c\u6574\u4e2a\u6570\u636e\u5e93<\/h2>\n<p>\u5b9a\u4f4d\u5230\u6162\u67e5\u8be2\u540e\uff0c\u4fee\u590d\u987a\u5e8f\u5efa\u8bae\u4ece\u4f4e\u98ce\u9669\u5f00\u59cb\u3002\u7b2c\u4e00\u6b65\u662f\u6e05\u7406\u660e\u663e\u65e0\u7528\u7684\u6570\u636e\uff0c\u4f8b\u5982\u8fc7\u671f transient\u3001\u5df2\u786e\u8ba4\u4e0d\u7528\u7684\u63d2\u4ef6\u6b8b\u7559\u8868\u3001\u8fc7\u5927\u7684\u65e5\u5fd7\u8868\u3002\u7b2c\u4e8c\u6b65\u662f\u8c03\u6574\u63d2\u4ef6\u914d\u7f6e\uff0c\u4f8b\u5982\u51cf\u5c11\u5b9e\u65f6\u7edf\u8ba1\u3001\u5173\u95ed\u4e0d\u5fc5\u8981\u7684\u7ad9\u5185\u641c\u7d22\u6269\u5c55\u3001\u628a\u9ad8\u9891\u7b5b\u9009\u6539\u6210\u5206\u7c7b\u6216\u6807\u7b7e\u3002\u7b2c\u4e09\u6b65\u624d\u662f\u65b0\u589e\u7d22\u5f15\u6216\u6539\u67e5\u8be2\u7ed3\u6784\u3002<\/p>\n<p>\u5982\u679c\u5fc5\u987b\u52a0\u7d22\u5f15\uff0c\u5148\u5728\u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\u3002\u4ee5 <code>wp_postmeta<\/code> \u4e3a\u4f8b\uff0c\u5e38\u89c1\u7d22\u5f15\u53ef\u80fd\u6d89\u53ca <code>meta_key<\/code>\u3001<code>post_id<\/code> \u548c\u90e8\u5206\u4e1a\u52a1\u5b57\u6bb5\uff0c\u4f46\u4e0d\u540c\u7ad9\u70b9\u7684\u6570\u636e\u5206\u5e03\u5dee\u5f02\u5f88\u5927\uff0c\u4e0d\u80fd\u76f4\u63a5\u590d\u5236\u7f51\u4e0a\u7684\u7d22\u5f15\u811a\u672c\u3002\u4f60\u5e94\u8be5\u5148\u4fdd\u5b58 <code>EXPLAIN<\/code> \u4f18\u5316\u524d\u7ed3\u679c\uff0c\u518d\u52a0\u7d22\u5f15\uff0c\u518d\u5bf9\u540c\u4e00\u6761 SQL \u91cd\u65b0\u6267\u884c <code>EXPLAIN<\/code>\uff0c\u786e\u8ba4 <code>rows<\/code> \u662f\u5426\u660e\u663e\u4e0b\u964d\uff0c<code>key<\/code> \u662f\u5426\u547d\u4e2d\u65b0\u7d22\u5f15\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/index-repair-priority.webp\" alt=\"\u7d22\u5f15\u4fee\u590d\u4f18\u5148\u7ea7\" loading=\"lazy\" \/><\/p>\n<h2>\u4f18\u5316\u540e\u8981\u590d\u6d4b\uff0c\u5426\u5219\u53ea\u662f\u6362\u4e00\u79cd\u731c\u6d4b<\/h2>\n<p>\u4fee\u590d\u5b8c\u6210\u540e\uff0c\u91cd\u65b0\u8dd1\u4e00\u6b21\u57fa\u7ebf\u5bf9\u6bd4\u3002\u81f3\u5c11\u5bf9\u6bd4 4 \u4e2a\u6307\u6807\uff1a\u6162\u67e5\u8be2\u6570\u91cf\u3001\u6162\u67e5\u8be2\u603b\u8017\u65f6\u3001\u5173\u952e\u9875\u9762\u9996\u5b57\u8282\u65f6\u95f4\u3001\u6570\u636e\u5e93 CPU \u5cf0\u503c\u3002\u5982\u679c\u4fee\u6539\u540e\u6162\u67e5\u8be2\u4ece\u6bcf\u5c0f\u65f6 200 \u6b21\u964d\u5230 20 \u6b21\uff0c\u4f46\u9996\u5b57\u8282\u65f6\u95f4\u4ecd\u7136\u9ad8\uff0c\u5c31\u8981\u7ee7\u7eed\u6392\u67e5\u7f13\u5b58\u3001PHP\uff08\u670d\u52a1\u5668\u7aef\u811a\u672c\u8bed\u8a00\uff09\u6267\u884c\u3001\u5916\u90e8\u63a5\u53e3\u6216\u4e3b\u9898\u6e32\u67d3\u3002\u6570\u636e\u5e93\u4f18\u5316\u53ea\u662f<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd<\/a>\u4f18\u5316\u7684\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u7ee7\u7eed\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u4f18\u5316\u6307\u5357<\/a> \u4ece TTFB\uff08\u9996\u5b57\u8282\u65f6\u95f4\uff09\u89d2\u5ea6\u62c6\u5206\u74f6\u9888\u3002<\/p>\n<p>\u8fd8\u8981\u5173\u6ce8\u201c\u5199\u5165\u53d8\u6162\u201d\u7684\u526f\u4f5c\u7528\u3002\u65b0\u589e\u7d22\u5f15\u53ef\u80fd\u6539\u5584\u8bfb\u53d6\uff0c\u4f46\u4f1a\u589e\u52a0\u5199\u5165\u7ef4\u62a4\u6210\u672c\u3002\u5bf9\u4e8e\u8bc4\u8bba\u591a\u3001\u8ba2\u5355\u591a\u3001\u4f1a\u5458\u52a8\u4f5c\u591a\u7684\u7f51\u7ad9\uff0c\u5199\u5165\u8def\u5f84\u540c\u6837\u91cd\u8981\u3002\u5efa\u8bae\u5728\u4f4e\u5cf0\u671f\u89c2\u5bdf 24 \u5c0f\u65f6\uff0c\u4e0d\u8981\u5728\u521a\u6539\u5b8c 10 \u5206\u949f\u540e\u5c31\u4e0b\u7ed3\u8bba\u3002\u5982\u679c\u8bbf\u95ee\u6d41\u91cf\u5177\u6709\u660e\u663e\u65f6\u6bb5\u6ce2\u52a8\uff0c\u81f3\u5c11\u8986\u76d6\u4e00\u6b21\u9ad8\u5cf0\u7a97\u53e3\u3002<\/p>\n<p>\u5bf9\u4e8e\u8d44\u6e90\u5df2\u7ecf\u63a5\u8fd1\u4e0a\u9650\u7684\u7ad9\u70b9\uff0c\u6570\u636e\u5e93\u6392\u969c\u4e5f\u4f1a\u53cd\u8fc7\u6765\u5e2e\u52a9\u5224\u65ad\u4e3b\u673a\u65b9\u6848\u3002\u5982\u679c\u6162\u67e5\u8be2\u5df2\u7ecf\u88ab\u63a7\u5236\uff0c\u4f46 CPU\u3001\u5185\u5b58\u6216 I\/O\uff08\u8f93\u5165\u8f93\u51fa\uff09\u957f\u671f\u6253\u6ee1\uff0c\u5c31\u9700\u8981\u8bc4\u4f30\u66f4\u5408\u9002\u7684 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u4e3b\u673a<\/a> \u6216\u66f4\u72ec\u7acb\u7684\u8d44\u6e90\u65b9\u6848\uff1b\u5982\u679c\u53ea\u662f\u5185\u5bb9\u7ad9\u548c\u4f01\u4e1a\u5c55\u793a\u7ad9\uff0c\u4f18\u5316\u7f13\u5b58\u548c\u6570\u636e\u5e93\u57fa\u7ebf\u5f80\u5f80\u80fd\u5148\u5ef6\u957f\u73b0\u6709\u73af\u5883\u5bff\u547d\u3002<\/p>\n<h2>\u603b\u7ed3\uff1a\u628a WordPress \u6570\u636e\u5e93\u4f18\u5316\u505a\u6210\u53ef\u590d\u76d8\u6d41\u7a0b<\/h2>\n<p>\u603b\u7ed3\u6765\u770b\uff0cWordPress \u6570\u636e\u5e93\u4f18\u5316\u4e0d\u662f\u201c\u6e05\u8868\u3001\u52a0\u7d22\u5f15\u3001\u88c5\u7f13\u5b58\u63d2\u4ef6\u201d\u4e09\u4ef6\u5957\uff0c\u800c\u662f\u4e00\u5957\u53ef\u590d\u76d8\u7684\u6392\u67e5\u6d41\u7a0b\uff1a\u5148\u8bb0\u5f55\u57fa\u7ebf\uff0c\u518d\u91c7\u96c6\u6162\u67e5\u8be2\uff0c\u518d\u7528 <code>EXPLAIN<\/code> 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