{"id":33238,"date":"2026-09-15T10:00:00","date_gmt":"2026-09-15T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33238"},"modified":"2026-09-17T10:28:44","modified_gmt":"2026-09-17T02:28:44","slug":"mysql-8-upgrade-precheck-checklist","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/mysql-8-upgrade-precheck-checklist\/","title":{"rendered":"MySQL 8 \u5347\u7ea7\u524d\u68c0\u67e5\u6e05\u5355\uff1a\u517c\u5bb9\u6027\u6838\u5bf9\u4e0e\u56de\u6eda\u9884\u6848"},"content":{"rendered":"<p>MySQL 8 \u5df2\u7ecf\u53d1\u5e03\u591a\u5e74\u5e76\u6210\u4e3a\u4e3b\u6d41\u7248\u672c\uff0c\u4f46\u5f88\u591a\u7ebf\u4e0a\u7ad9\u70b9\u4ecd\u5728\u4f7f\u7528 5.6 \u6216 5.7\u3002\u5347\u7ea7\u5230 MySQL 8 \u4e0d\u53ea\u662f\u4e00\u6761 <code>mysql_upgrade<\/code> \u547d\u4ee4\u90a3\u4e48\u7b80\u5355\uff0c\u56e0\u4e3a\u65b0\u7248\u672c\u5728\u9ed8\u8ba4\u8ba4\u8bc1\u63d2\u4ef6\u3001\u6392\u5e8f\u89c4\u5219\u3001\u4fdd\u7559\u5b57\u3001SQL \u6a21\u5f0f\u7b49\u65b9\u9762\u90fd\u53d1\u751f\u4e86\u8c03\u6574\u3002\u8fd9\u7bc7\u6307\u5357\u4f1a\u5e26\u4f60\u9010\u9879\u6838\u5bf9\u517c\u5bb9\u6027\uff0c\u5e76\u51c6\u5907\u4e00\u4efd\u53ef\u6267\u884c\u7684\u56de\u6eda\u9884\u6848\uff0c\u5e2e\u52a9\u4f60\u964d\u4f4e\u5347\u7ea7\u4e2d\u65ad\u548c\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\u3002\u7c7b\u4f3c\u7684\u7cfb\u7edf\u5316\u6392\u67e5\u601d\u8def\uff0c\u4e5f\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u7684<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/api-security-hosting-defense-layers\/\">API \u5b89\u5168\u9632\u5fa1\u5206\u5c42\u6307\u5357<\/a>\uff0c\u4e24\u8005\u90fd\u5f3a\u8c03&#8221;\u5148\u6838\u5bf9\u3001\u540e\u52a8\u624b&#8221;\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/mysql-8-upgrade-precheck-checklist-cover.webp\" alt=\"MySQL 8 \u5347\u7ea7\u524d\u6838\u5bf9\u4e0e\u5907\u4efd\u5173\u7cfb\u7684\u5c01\u9762\u914d\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u5347\u7ea7\u524d\u5148\u56de\u7b54\u4e09\u4e2a\u95ee\u9898<\/h2>\n<p>\u5728\u52a8\u624b\u524d\uff0c\u5148\u60f3\u6e05\u695a\u4e09\u4e2a\u95ee\u9898\uff0c\u907f\u514d\u5347\u7ea7\u5230\u4e00\u534a\u624d\u53d1\u73b0\u65b9\u5411\u9519\u4e86\u3002\u7b2c\u4e00\uff0c\u4f60\u7684\u4e1a\u52a1\u662f\u5426\u53ef\u4ee5\u63a5\u53d7\u77ed\u6682\u505c\u673a\uff1fMySQL \u5927\u7248\u672c\u5347\u7ea7\u901a\u5e38\u8981\u6c42\u5728\u505c\u673a\u7a97\u53e3\u5185\u5b8c\u6210\u5207\u6362\uff0c\u5982\u679c\u4f60\u7684\u8bbf\u95ee\u9ad8\u5cf0\u5728\u767d\u5929\uff0c\u5e94\u628a\u7ef4\u62a4\u65f6\u95f4\u5b89\u6392\u5230\u4f4e\u5cf0\u3002\u7b2c\u4e8c\uff0c\u4f60\u7684\u5e94\u7528\u4ee3\u7801\u662f\u5426\u4f9d\u8d56\u65e7\u7248\u672c\u7684\u5185\u90e8\u884c\u4e3a\uff1f\u4f8b\u5982\u57fa\u4e8e <code>mysql_native_password<\/code> \u8ba4\u8bc1\u7684\u65e7\u8fde\u63a5\u65b9\u5f0f\uff0c\u5728 MySQL 8 \u9ed8\u8ba4\u6539\u4e3a <code>caching_sha2_password<\/code> \u540e\u53ef\u80fd\u65e0\u6cd5\u8fde\u63a5\u3002\u7b2c\u4e09\uff0c\u4f60\u624b\u5934\u662f\u5426\u6709\u5b8c\u6574\u7684\u5907\u4efd\uff0c\u5e76\u4e14\u9a8c\u8bc1\u8fc7\u8fd9\u4efd\u5907\u4efd\u80fd\u591f\u6062\u590d\u5230\u53e6\u4e00\u53f0\u5b9e\u4f8b\uff1f<\/p>\n<p>\u8fd9\u4e09\u4e2a\u95ee\u9898\u51b3\u5b9a\u4e86\u4f60\u63a5\u4e0b\u6765\u8be5\u8d70&#8221;\u6700\u5c0f\u53d8\u66f4\u5c31\u5730\u5347\u7ea7&#8221;\u8fd8\u662f&#8221;\u65b0\u5efa\u65b0\u7248\u672c\u5b9e\u4f8b\u518d\u8fc1\u79fb\u6570\u636e&#8221;\u4e24\u6761\u8def\u5f84\u3002\u901a\u5e38\uff0c\u5c31\u5730\u5347\u7ea7\u64cd\u4f5c\u66f4\u5feb\uff0c\u4f46\u56de\u6eda\u66f4\u96be\uff1b\u65b0\u5efa\u5b9e\u4f8b\u8fc1\u79fb\u6570\u636e\u66f4\u7a33\uff0c\u56e0\u4e3a\u65e7\u5b9e\u4f8b\u59cb\u7ec8\u53ef\u7528\u3002\u5bf9\u751f\u4ea7\u73af\u5883\uff0c\u6211\u5efa\u8bae\u4f18\u5148\u91c7\u7528\u65b0\u5efa\u5b9e\u4f8b + \u903b\u8f91\u8fc1\u79fb\u7684\u65b9\u5f0f\uff0c\u56de\u6eda\u65f6\u53ea\u9700\u8981\u628a\u6307\u5411\u65e7\u5b9e\u4f8b\u5373\u53ef\u3002<\/p>\n<h2>\u7b2c\u4e00\u6b65\uff1a\u6838\u5bf9\u7248\u672c\u4e0e\u5b98\u65b9\u652f\u6301\u8def\u5f84<\/h2>\n<p>\u5347\u7ea7\u524d\u9996\u5148\u8981\u786e\u8ba4\u4f60\u7684\u6e90\u7248\u672c\u548c\u76ee\u6807\u7248\u672c\u4e4b\u95f4\u662f\u4e0d\u662f\u5b98\u65b9\u652f\u6301\u7684\u76f4\u63a5\u8def\u5f84\u3002MySQL \u5b98\u65b9\u5141\u8bb8\u4ece 5.7 \u76f4\u63a5\u5347\u7ea7\u5230 8.0\uff0c\u4f46\u4ece 5.6 \u5347\u7ea7\u5230 8.0 \u901a\u5e38\u9700\u8981\u5148\u5347\u5230 5.7 \u518d\u5347\u5230 8.0\u3002\u5148\u7528\u4e0b\u9762\u547d\u4ee4\u786e\u8ba4\u5f53\u524d\u7248\u672c\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nmysql --version\nSELECT VERSION();\n<\/pre>\n<p>\u540c\u65f6\u786e\u8ba4\u4f60\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u786c\u4ef6\u6ee1\u8db3 MySQL 8 \u7684\u6700\u4f4e\u8981\u6c42\uff0c\u4f8b\u5982 64 \u4f4d\u7cfb\u7edf\u3001\u8db3\u591f\u7684\u5185\u5b58\u548c\u78c1\u76d8\u7a7a\u95f4\u3002\u5982\u679c\u4f60\u4e0d\u786e\u5b9a\u64cd\u4f5c\u7cfb\u7edf\u517c\u5bb9\u6027\uff0c\u5efa\u8bae\u5148\u5728\u4e00\u53f0\u4e0e\u751f\u4ea7\u540c\u914d\u7f6e\u7684\u6d4b\u8bd5\u673a\u5668\u4e0a\u5b8c\u6574\u8dd1\u4e00\u904d\u5347\u7ea7\u6d41\u7a0b\u3002\u8fd9\u4e00\u6b65\u80fd\u63d0\u524d\u66b4\u9732\u5927\u90e8\u5206\u73af\u5883\u5dee\u5f02\uff0c\u907f\u514d\u5728\u751f\u4ea7\u4e0a\u8e29\u5751\u3002<\/p>\n<h2>\u7b2c\u4e8c\u6b65\uff1a\u6838\u5bf9\u914d\u7f6e\u9879\u4e0e\u6392\u5e8f\u89c4\u5219<\/h2>\n<p>MySQL 8 \u5bf9\u914d\u7f6e\u6587\u4ef6\u7684\u89e3\u6790\u6bd4\u65e7\u7248\u672c\u66f4\u4e25\u683c\u3002\u5f88\u591a\u5728 5.7 \u91cc\u88ab\u5ffd\u7565\u7684\u65e0\u6548\u914d\u7f6e\u9879\uff0c\u5230 8.0 \u542f\u52a8\u65f6\u4f1a\u76f4\u63a5\u62a5\u9519\u5e76\u62d2\u7edd\u542f\u52a8\u3002\u5347\u7ea7\u524d\u5e94\u628a <code>my.cnf<\/code> \u4e2d\u6240\u6709\u53c2\u6570\u9010\u4e00\u6838\u5bf9\uff0c\u5220\u9664\u5e9f\u5f03\u53c2\u6570\uff0c\u4f8b\u5982 <code>query_cache_type<\/code> \u548c <code>query_cache_size<\/code> \u5728 8.0 \u4e2d\u5df2\u4e0d\u518d\u751f\u6548\uff0c\u4fdd\u7559\u53cd\u800c\u53ef\u80fd\u5f15\u53d1\u544a\u8b66\u3002<\/p>\n<p>\u6392\u5e8f\u89c4\u5219\u4e5f\u8981\u91cd\u70b9\u6838\u5bf9\u3002MySQL 8 \u9ed8\u8ba4\u5b57\u7b26\u96c6\u662f <code>utf8mb4<\/code>\uff0c\u9ed8\u8ba4\u6392\u5e8f\u89c4\u5219\u4ece 5.7 \u7684 <code>utf8mb4_general_ci<\/code> \u6539\u4e3a <code>utf8mb4_0900_ai_ci<\/code>\u3002\u5982\u679c\u8868\u6216\u6570\u636e\u5e93\u663e\u5f0f\u6307\u5b9a\u4e86\u65e7\u6392\u5e8f\u89c4\u5219\uff0c\u5efa\u8bae\u5728\u5347\u7ea7\u524d\u7edf\u4e00\u6539\u4e3a <code>utf8mb4_0900_ai_ci<\/code>\uff0c\u907f\u514d\u7d22\u5f15\u884c\u4e3a\u4e0e\u6392\u5e8f\u7ed3\u679c\u5728\u4e0d\u540c\u7248\u672c\u95f4\u4e0d\u4e00\u81f4\u3002\u53ef\u4ee5\u5148\u5bfc\u51fa\u5efa\u5e93\u5efa\u8868\u8bed\u53e5\uff0c\u67e5\u770b\u54ea\u4e9b\u5bf9\u8c61\u4ecd\u5728\u4f7f\u7528\u65e7\u7684\u6392\u5e8f\u89c4\u5219\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/mysql-8-upgrade-precheck-checklist-compat.webp\" alt=\"MySQL 8 \u5347\u7ea7\u524d\u914d\u7f6e\u4e0e\u5907\u4efd\u6838\u5bf9\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<h2>\u7b2c\u4e09\u6b65\uff1a\u68c0\u67e5\u5e94\u7528\u4ee3\u7801\u4e0e\u8fde\u63a5\u65b9\u5f0f<\/h2>\n<p>\u5e94\u7528\u5c42\u7684\u517c\u5bb9\u95ee\u9898\u5f80\u5f80\u6bd4\u6570\u636e\u5e93\u672c\u8eab\u66f4\u96be\u6392\u67e5\u3002MySQL 8 \u628a\u9ed8\u8ba4\u8ba4\u8bc1\u63d2\u4ef6\u4ece <code>mysql_native_password<\/code> \u6539\u6210\u4e86 <code>caching_sha2_password<\/code>\uff0c\u5982\u679c\u4f60\u7684\u8fde\u63a5\u5668\u6216\u9a71\u52a8\u7248\u672c\u8f83\u65e7\uff0c\u53ef\u80fd\u65e0\u6cd5\u5b8c\u6210\u8ba4\u8bc1\u3002\u5347\u7ea7\u524d\u5e94\u786e\u8ba4\u5e94\u7528\u4f7f\u7528\u7684\u6570\u636e\u5e93\u9a71\u52a8\u7248\u672c\u662f\u5426\u652f\u6301 MySQL 8\uff0c\u4f8b\u5982\u8f83\u65b0\u7684 PHP PDO\u3001JDBC \u6216 Python \u7684 PyMySQL \u9a71\u52a8\u3002<\/p>\n<p>\u53e6\u5916\uff0cMySQL 8 \u65b0\u589e\u4e86\u4e00\u4e9b\u4fdd\u7559\u5b57\uff0c\u5982 <code>CUME_DIST<\/code>\u3001<code>GROUPS<\/code>\u3001<code>NTILE<\/code> \u7b49\u3002\u5982\u679c\u5e94\u7528\u7684 SQL \u8bed\u53e5\u628a\u8868\u540d\u6216\u5217\u540d\u76f4\u63a5\u5199\u6210\u8fd9\u4e9b\u4fdd\u7559\u5b57\u800c\u672a\u52a0\u53cd\u5f15\u53f7\uff0c\u5347\u7ea7\u540e\u6267\u884c\u4f1a\u62a5\u8bed\u6cd5\u9519\u8bef\u3002\u5347\u7ea7\u524d\u53ef\u4ee5\u5bfc\u51fa\u5168\u91cf SQL\uff0c\u7528\u5de5\u5177\u626b\u63cf\u662f\u5426\u4f7f\u7528\u4e86\u65b0\u589e\u4fdd\u7559\u5b57\uff0c\u5fc5\u8981\u65f6\u7ed9\u76f8\u5173\u5b57\u6bb5\u7edf\u4e00\u52a0\u4e0a\u53cd\u5f15\u53f7\u3002<\/p>\n<h2>\u7b2c\u56db\u6b65\uff1a\u51c6\u5907\u5907\u4efd\u4e0e\u56de\u6eda\u9884\u6848<\/h2>\n<p>\u56de\u6eda\u9884\u6848\u662f\u5347\u7ea7\u7684\u6700\u540e\u4e00\u9053\u9632\u7ebf\u3002\u65e0\u8bba\u91c7\u7528\u54ea\u79cd\u5347\u7ea7\u65b9\u5f0f\uff0c\u90fd\u5fc5\u987b\u5728\u64cd\u4f5c\u524d\u5b8c\u6210\u4e00\u6b21\u5b8c\u6574\u5907\u4efd\uff0c\u5e76\u628a\u5907\u4efd\u5b58\u653e\u5728\u4e0e\u751f\u4ea7\u7269\u7406\u9694\u79bb\u7684\u4f4d\u7f6e\u3002\u5907\u4efd\u901a\u5e38\u5206\u4e24\u5c42\uff1a\u7269\u7406\u5907\u4efd\uff08\u901a\u8fc7 xtrabackup \u590d\u5236\u6570\u636e\u76ee\u5f55\uff09\u7528\u4e8e\u5feb\u901f\u6062\u590d\uff0c\u903b\u8f91\u5907\u4efd\uff08\u901a\u8fc7 mysqldump \u5bfc\u51fa SQL\uff09\u7528\u4e8e\u6570\u636e\u6821\u9a8c\u548c\u8de8\u7248\u672c\u6062\u590d\u3002<\/p>\n<p>\u8fd9\u91cc\u8981\u7279\u522b\u63d0\u9192\uff1a\u4e00\u65e6\u7528 <code>mysql_upgrade<\/code> \u6216\u76f4\u63a5\u66ff\u6362\u6570\u636e\u76ee\u5f55\u5b8c\u6210\u4e86\u5c31\u5730\u5347\u7ea7\uff0c\u65e7\u7248\u672c\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u683c\u5f0f\u5c31\u5df2\u7ecf\u6539\u53d8\uff0c\u6b64\u65f6\u5355\u7eaf\u901a\u8fc7\u56de\u6eda\u65e7\u6570\u636e\u76ee\u5f55\u4e0d\u4e00\u5b9a\u80fd\u76f4\u63a5\u6062\u590d\uff0c\u901a\u5e38\u9700\u8981\u4ece\u5347\u7ea7\u524d\u7684\u7269\u7406\u5907\u4efd\u8fd8\u539f\u3002\u56e0\u6b64\uff0c\u6bd4\u8f83\u7a33\u59a5\u7684\u56de\u6eda\u6d41\u7a0b\u662f\uff1a\u5148\u5728\u6d4b\u8bd5\u73af\u5883\u5b8c\u6574\u6f14\u7ec3\u4e00\u904d&#8221;\u5347\u7ea7 \u2192 \u53d1\u73b0\u95ee\u9898 \u2192 \u4ece\u5907\u4efd\u8fd8\u539f\u65e7\u7248\u672c&#8221;\uff0c\u786e\u8ba4\u6574\u4e2a\u6d41\u7a0b\u7684\u8017\u65f6\u548c\u6570\u636e\u4e00\u81f4\u6027\uff0c\u518d\u51b3\u5b9a\u662f\u5426\u5728\u751f\u4ea7\u6267\u884c\u3002\u5982\u679c\u4f60\u9009\u62e9\u4e86\u65b0\u5efa\u5b9e\u4f8b + \u8fc1\u79fb\u6570\u636e\u7684\u65b9\u5f0f\uff0c\u56de\u6eda\u5c31\u7b80\u5355\u5f97\u591a\u2014\u2014\u53ea\u9700\u8981\u628a\u5e94\u7528\u8fde\u63a5\u5207\u6362\u5230\u65e7\u5b9e\u4f8b\u5373\u53ef\u3002\u5173\u4e8e\u5bf9\u8c61\u5b58\u50a8\u8fd9\u7c7b\u957f\u671f\u6570\u636e\u8d44\u4ea7\u7684\u7ba1\u7406\uff0c\u53ef\u4ee5\u5bf9\u7167\u6211\u4eec\u7684<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/object-storage-with-vps-standard-stack\/\">VPS \u5bf9\u8c61\u5b58\u50a8\u6807\u51c6\u65b9\u6848<\/a>\u4e00\u8d77\u8bc4\u4f30\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/mysql-8-upgrade-precheck-checklist-rollback.webp\" alt=\"MySQL 8 \u5347\u7ea7\u56de\u6eda\u65b9\u6848\u5bf9\u6bd4\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<h2>\u7b2c\u4e94\u6b65\uff1a\u6267\u884c\u5347\u7ea7\u5e76\u9a8c\u8bc1<\/h2>\n<p>\u6267\u884c\u5347\u7ea7\u65f6\uff0c\u5efa\u8bae\u7528\u4e8b\u52a1\u6027\u7684\u65b9\u5f0f\u5206\u6b65\u63a8\u8fdb\u3002\u5148\u505c\u673a\u5e76\u505c\u6b62\u5199\u5165\uff0c\u518d\u5b8c\u6210\u5907\u4efd\uff0c\u63a5\u7740\u6267\u884c\u5347\u7ea7\u811a\u672c\u6216\u5bfc\u5165\u6570\u636e\uff0c\u6700\u540e\u542f\u52a8\u65b0\u7248\u672c\u5e76\u8fd0\u884c <code>mysql_upgrade<\/code>\uff08\u5982\u679c\u7248\u672c\u652f\u6301\u81ea\u52a8\u5347\u7ea7\u53ef\u8df3\u8fc7\uff09\u3002\u5347\u7ea7\u5b8c\u6210\u540e\uff0c\u4f9d\u6b21\u9a8c\u8bc1\u4ee5\u4e0b\u51e0\u9879\uff1a<\/p>\n<ul>\n<li>\u6570\u636e\u5e93\u80fd\u5426\u6b63\u5e38\u542f\u52a8\uff0c\u4ee5\u53ca\u9519\u8bef\u65e5\u5fd7\u662f\u5426\u6709 <code>ERROR<\/code> \u7ea7\u522b\u4fe1\u606f<\/li>\n<li>\u6240\u6709\u4e1a\u52a1\u8d26\u53f7\u80fd\u5426\u6b63\u5e38\u767b\u5f55\u5e76\u8bbf\u95ee\u5176\u6388\u6743\u8303\u56f4<\/li>\n<li>\u5e94\u7528\u6838\u5fc3\u63a5\u53e3\u80fd\u5426\u8fd4\u56de\u6b63\u5e38\uff0c\u5199\u5165\u548c\u8bfb\u53d6\u662f\u5426\u4e00\u81f4<\/li>\n<li>\u5173\u952e\u62a5\u8868\u6216\u7edf\u8ba1 SQL \u7684\u6267\u884c\u7ed3\u679c\u4e0e\u5347\u7ea7\u524d\u662f\u5426\u4e00\u81f4<\/li>\n<li>\u5907\u4efd\u4efb\u52a1\u548c\u76d1\u63a7\u544a\u8b66\u662f\u5426\u5728\u65b0\u7684\u6570\u636e\u76ee\u5f55\u4e0a\u7ee7\u7eed\u6b63\u5e38\u5de5\u4f5c<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/mysql-8-upgrade-precheck-checklist-verify.webp\" alt=\"MySQL 8 \u5347\u7ea7\u540e\u9a8c\u8bc1\u901a\u8fc7\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<p>\u5982\u679c\u4f60\u7684\u7f51\u7ad9\u6258\u7ba1\u5728 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u4e0a\uff0c\u6570\u636e\u5e93\u901a\u5e38\u4e0e\u5e94\u7528\u5728\u540c\u4e00\u53f0\u673a\u5668\uff0c\u5347\u7ea7\u65f6\u8981\u9884\u7559\u8db3\u591f\u7684\u78c1\u76d8\u7a7a\u95f4\u548c\u5185\u5b58\uff0c\u907f\u514d\u5728\u5bfc\u5165\u9636\u6bb5\u89e6\u53d1 OOM\u3002\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u8fd8\u53ef\u4ee5\u628a MySQL \u5355\u72ec\u653e\u5230\u4e13\u7528\u78c1\u76d8\u5206\u533a\uff0c\u964d\u4f4e\u5e94\u7528\u4e0e\u6570\u636e\u5e93\u4e89\u62a2 I\/O \u7684\u98ce\u9669\u3002\u5173\u4e8e\u8fd9\u4e24\u7c7b\u57fa\u7840\u8bbe\u65bd\u5728\u8d1f\u8f7d\u7a33\u5b9a\u4e0b\u7684\u53d6\u820d\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u7684<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/dedicated-server-stable-workload-return\/\">\u72ec\u7acb\u670d\u52a1\u5668\u9002\u7528\u573a\u666f\u5206\u6790<\/a>\u3002\u8fd9\u4e24\u7c7b\u57fa\u7840\u8bbe\u65bd\u7684\u5dee\u5f02\uff0c\u4e5f\u4f1a\u76f4\u63a5\u5f71\u54cd\u4f60\u5728\u9ad8\u5cf0\u671f\u5347\u7ea7\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898\u4e0e\u907f\u5751\u5efa\u8bae<\/h2>\n<p>\u628a\u5bb9\u6613\u8e29\u7684\u5751\u63d0\u524d\u5217\u51fa\u6765\uff0c\u80fd\u7701\u4e0b\u5927\u91cf\u6392\u67e5\u65f6\u95f4\u3002\u7b2c\u4e00\uff0c\u4e0d\u8981\u5728\u751f\u4ea7\u76f4\u63a5\u8dd1\u5c31\u5730\u5347\u7ea7\u800c\u8df3\u8fc7\u6d4b\u8bd5\uff0c\u5f88\u591a 8.0 \u7684\u517c\u5bb9\u6027\u9519\u8bef\u53ea\u5728\u771f\u5b9e\u6570\u636e\u91cf\u4e0b\u624d\u4f1a\u66b4\u9732\u3002\u7b2c\u4e8c\uff0c\u4e0d\u8981\u5ffd\u7565\u6392\u5e8f\u89c4\u5219\u5dee\u5f02\uff0c\u8de8\u7248\u672c\u8fc1\u79fb\u540e\u7d22\u5f15\u53ef\u80fd\u65e0\u6cd5\u590d\u7528\uff0c\u5bfc\u81f4\u5168\u8868\u626b\u63cf\u62d6\u6162\u67e5\u8be2\u3002\u7b2c\u4e09\uff0c\u4e0d\u8981\u628a\u5907\u4efd\u548c\u539f\u6570\u636e\u653e\u5728\u540c\u4e00\u4e2a\u78c1\u76d8\uff0c\u4e00\u65e6\u78c1\u76d8\u6545\u969c\uff0c\u5907\u4efd\u4e5f\u4f1a\u4e00\u8d77\u4e22\u5931\u3002<\/p>\n<p>\u5173\u4e8e\u540e\u7eed\u4f18\u5316\uff0c\u4f60\u5728\u5b8c\u6210\u6570\u636e\u5e93\u5347\u7ea7\u540e\uff0c\u53ef\u4ee5\u914d\u5408\u5bf9\u7f51\u7ad9\u8bbf\u95ee\u901f\u5ea6\u7684\u8c03\u4f18\u4e00\u8d77\u8fdb\u884c\u3002\u6570\u636e\u5e93\u67e5\u8be2\u53d8\u5feb\u53ea\u662f\u6574\u4f53\u63d0\u901f\u7684\u4e00\u90e8\u5206\uff0c\u524d\u7aef\u7f13\u5b58\u3001\u9759\u6001\u8d44\u6e90\u5206\u53d1\u3001\u670d\u52a1\u5668\u54cd\u5e94\u65f6\u95f4\u540c\u6837\u5f71\u54cd\u7528\u6237\u611f\u77e5\u3002\u4f60\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u7684<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ecommerce-checkout-hosting-metrics\/\">\u7535\u5546\u7ed3\u8d26\u9875\u6258\u7ba1\u6307\u6807\u5206\u6790<\/a>\uff0c\u628a\u6570\u636e\u5e93\u5347\u7ea7\u4e0e<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u9875\u9762\u52a0\u901f<\/a>\u5de5\u4f5c\u653e\u5728\u540c\u4e00\u4e2a\u7ef4\u62a4\u5468\u671f\u5185\uff0c\u4e00\u6b21\u6027\u8bc4\u4f30\u6574\u4f53\u6536\u76ca\u3002<\/p>\n<h2>\u603b\u7ed3\u4e0e\u5efa\u8bae<\/h2>\n<p>\u7efc\u5408\u6765\u770b\uff0cMySQL 8 \u5347\u7ea7\u524d\u68c0\u67e5\u53ef\u4ee5\u6982\u62ec\u4e3a\u56db\u6b65\uff1a\u786e\u8ba4\u5b98\u65b9\u652f\u6301\u8def\u5f84\u3001\u6838\u5bf9\u914d\u7f6e\u4e0e\u6392\u5e8f\u89c4\u5219\u3001\u68c0\u67e5\u5e94\u7528\u9a71\u52a8\u4e0e\u4fdd\u7559\u5b57\u3001\u51c6\u5907\u5b8c\u6574\u5907\u4efd\u548c\u6f14\u7ec3\u8fc7\u7684\u56de\u6eda\u9884\u6848\u3002\u5176\u4e2d\u56de\u6eda\u9884\u6848\u7684\u4ef7\u503c\u5f80\u5f80\u5728\u5347\u7ea7\u7ed3\u675f\u90a3\u4e00\u523b\u624d\u4f53\u73b0\uff0c\u524d\u671f\u591a\u82b1\u534a\u5c0f\u65f6\u6f14\u7ec3\uff0c\u80fd\u907f\u514d\u5347\u7ea7\u4e2d\u65ad\u540e\u624b\u8db3\u65e0\u63aa\u3002<\/p>\n<p>\u5982\u679c\u4f60\u8fd8\u9700\u8981\u4e3a MySQL 8 \u7684\u6258\u7ba1\u73af\u5883\u505a\u89c4\u5212\uff0c\u5efa\u8bae\u628a\u6570\u636e\u5e93\u5b9e\u4f8b\u653e\u5728\u8d44\u6e90\u72ec\u7acb\u3001\u652f\u6301\u5feb\u901f\u6269\u5bb9\u7684 VPS\uff08\u865a\u62df<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u6216\u72ec\u7acb\u670d\u52a1\u5668\u4e0a\uff0c\u5e76\u4f18\u5148\u9009\u62e9\u63d0\u4f9b\u81ea\u52a8\u5907\u4efd\u548c\u5feb\u7167\u529f\u80fd\u7684\u4e3b\u673a\u65b9\u6848\u3002Hostease \u7684 VPS \u4e3b\u673a\u548c\u72ec\u7acb\u670d\u52a1\u5668\u65b9\u6848\u90fd\u652f\u6301\u81ea\u5b9a\u4e49\u914d\u7f6e\u4e0e\u5b9a\u671f\u5907\u4efd\uff0c\u4f60\u53ef\u4ee5\u7ed3\u5408\u81ea\u8eab\u4e1a\u52a1\u89c4\u6a21\u9009\u62e9\u5408\u9002\u6863\u4f4d\uff0c\u628a\u6570\u636e\u5e93\u5347\u7ea7\u7684\u7a33\u5b9a\u6027\u98ce\u9669\u964d\u5230\u6700\u4f4e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5347\u7ea7 MySQL 8 \u4e4b\u524d\u7cfb\u7edf\u6838\u5bf9\u517c\u5bb9\u6027\uff0c\u5236\u5b9a\u56de\u6eda\u9884\u6848\uff0c\u907f\u514d\u5347\u7ea7\u4e2d\u65ad\u4e0e\u6570\u636e\u4e22\u5931\u3002\u9644\u53ef\u6267\u884c\u7684\u68c0\u67e5\u6e05\u5355\u4e0e\u9a8c\u8bc1\u547d\u4ee4\u3002<\/p>\n","protected":false},"author":2,"featured_media":33234,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[5101,5103,5102,4566,5104],"class_list":["post-33238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-mysql8","tag-5103","tag-5102","tag-4566","tag-5104"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/mysql-8-upgrade-precheck-checklist-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=33238"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33238\/revisions"}],"predecessor-version":[{"id":33255,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33238\/revisions\/33255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/33234"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=33238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=33238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=33238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}