{"id":187566,"date":"2024-11-11T15:20:20","date_gmt":"2024-11-11T07:20:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187566\/"},"modified":"2024-11-11T15:20:21","modified_gmt":"2024-11-11T07:20:21","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%ef%bc%9a%e6%8f%90%e5%8d%87%e6%95%88%e7%8e%87%ef%bc%8c%e6%b8%9b%e5%b0%91%e8%b3%87%e6%ba%90%e6%b5%aa%e8%b2%bb-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187566\/","title":{"rendered":"\u6578\u64da\u5eab\u512a\u5316\uff1a\u63d0\u5347\u6548\u7387\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb (\u6578\u64da\u5eab\u512a\u5316\u597d\u8655)"},"content":{"rendered":"

\u6578\u64da\u5eab\u512a\u5316\uff1a\u63d0\u5347\u6548\u7387\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u7684\u512a\u5316\u8b8a\u5f97\u6108\u52a0\u91cd\u8981\u3002\u6578\u64da\u5eab\u512a\u5316\u4e0d\u50c5\u80fd\u63d0\u5347\u67e5\u8a62\u6548\u7387\uff0c\u9084\u80fd\u6e1b\u5c11\u8cc7\u6e90\u7684\u6d6a\u8cbb\uff0c\u5f9e\u800c\u964d\u4f4e\u904b\u71df\u6210\u672c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6578\u64da\u5eab\u512a\u5316\u7684\u597d\u8655\u53ca\u5176\u5be6\u65bd\u65b9\u6cd5\u3002<\/p>\n

\u6578\u64da\u5eab\u512a\u5316\u7684\u597d\u8655<\/h2>\n

1. \u63d0\u5347\u67e5\u8a62\u6027\u80fd<\/h3>\n

\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6027\u80fd\u76f4\u63a5\u5f71\u97ff\u5230\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u901f\u5ea6\u3002\u901a\u904e\u512a\u5316\u6578\u64da\u5eab\u7d50\u69cb\u548c\u67e5\u8a62\u8a9e\u53e5\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u67e5\u8a62\u904e\u7a0b\u3002\u7d22\u5f15\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u80fd\u5920\u5e6b\u52a9\u6578\u64da\u5eab\u5feb\u901f\u5b9a\u4f4d\u6240\u9700\u6578\u64da\u3002<\/p>\n

CREATE INDEX idx_user_name ON users (name);<\/code><\/pre>\n
\u4e0a\u8ff0\u4ee3\u78bc\u70ba\u7528\u6236\u8868\u5275\u5efa\u4e86\u4e00\u500b\u57fa\u65bc\u59d3\u540d\u7684\u7d22\u5f15\uff0c\u9019\u6a23\u5728\u67e5\u8a62\u7528\u6236\u59d3\u540d\u6642\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u66f4\u5feb\u5730\u627e\u5230\u76f8\u95dc\u8a18\u9304\u3002<\/p>\n
2. \u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017<\/h3>\n
\u512a\u5316\u6578\u64da\u5eab\u53ef\u4ee5\u6e1b\u5c11CPU\u548c\u5167\u5b58\u7684\u4f7f\u7528\uff0c\u5f9e\u800c\u964d\u4f4e\u904b\u71df\u6210\u672c\u3002\u901a\u904e\u6d88\u9664\u5197\u9918\u6578\u64da\u548c\u512a\u5316\u67e5\u8a62\uff0c\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002\u4f8b\u5982\uff0c\u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u548c\u7d22\u5f15\uff0c\u53ef\u4ee5\u91cb\u653e\u5b58\u5132\u7a7a\u9593\uff0c\u6e1b\u5c11\u5099\u4efd\u548c\u6062\u5fa9\u7684\u6642\u9593\u3002<\/p>\n
3. \u63d0\u9ad8\u6578\u64da\u4e00\u81f4\u6027<\/h3>\n
\u6578\u64da\u5eab\u512a\u5316\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u901a\u904e\u8a2d\u7f6e\u9069\u7576\u7684\u7d04\u675f\u689d\u4ef6\u548c\u89f8\u767c\u5668\uff0c\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5916\u9375\u7d04\u675f\u53ef\u4ee5\u9632\u6b62\u4e0d\u4e00\u81f4\u7684\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n
ALTER TABLE orders ADD CONSTRAINT fk_user FOREIGN KEY (user_id) REFERENCES users(id);<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u70ba\u8a02\u55ae\u8868\u6dfb\u52a0\u4e86\u4e00\u500b\u5916\u9375\u7d04\u675f\uff0c\u78ba\u4fdd\u6bcf\u500b\u8a02\u55ae\u90fd\u5c0d\u61c9\u4e00\u500b\u6709\u6548\u7684\u7528\u6236\u3002<\/p>\n
4. \u589e\u5f37\u53ef\u64f4\u5c55\u6027<\/h3>\n
\u96a8\u8457\u696d\u52d9\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u9700\u8981\u80fd\u5920\u8655\u7406\u66f4\u591a\u7684\u8acb\u6c42\u548c\u6578\u64da\u3002\u901a\u904e\u512a\u5316\u6578\u64da\u5eab\u67b6\u69cb\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5176\u53ef\u64f4\u5c55\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5206\u5340\u6280\u8853\u53ef\u4ee5\u5c07\u5927\u578b\u8868\u5206\u5272\u6210\u66f4\u5c0f\u7684\u90e8\u5206\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u7ba1\u7406\u6548\u7387\u3002<\/p>\n
CREATE TABLE orders_part1 PARTITION OF orders FOR VALUES FROM (1) TO (1000);<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u8a02\u55ae\u8868\u5206\u70ba\u591a\u500b\u5206\u5340\uff0c\u4fbf\u65bc\u7ba1\u7406\u548c\u67e5\u8a62\u3002<\/p>\n
5. \u6539\u5584\u7528\u6236\u9ad4\u9a57<\/h3>\n
\u6578\u64da\u5eab\u7684\u6027\u80fd\u76f4\u63a5\u5f71\u97ff\u5230\u7528\u6236\u7684\u9ad4\u9a57\u3002\u901a\u904e\u512a\u5316\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u7e2e\u77ed\u7528\u6236\u7b49\u5f85\u7684\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u7528\u6236\u6eff\u610f\u5ea6\u3002\u4f8b\u5982\uff0c\u901a\u904e\u7de9\u5b58\u5e38\u7528\u67e5\u8a62\u7684\u7d50\u679c\uff0c\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8acb\u6c42\u6b21\u6578\u3002<\/p>\n
SELECT * FROM users WHERE id = 1; -- \u4f7f\u7528\u7de9\u5b58\u7d50\u679c<\/code><\/pre>\n
\u9019\u6a23\u7684\u67e5\u8a62\u53ef\u4ee5\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u7d50\u679c\uff0c\u800c\u4e0d\u5fc5\u6bcf\u6b21\u90fd\u67e5\u8a62\u6578\u64da\u5eab\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u6578\u64da\u5eab\u512a\u5316\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u5c0d\u65bc\u63d0\u5347\u6548\u7387\u548c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u63d0\u5347\u67e5\u8a62\u6027\u80fd\u3001\u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017\u3001\u63d0\u9ad8\u6578\u64da\u4e00\u81f4\u6027\u3001\u589e\u5f37\u53ef\u64f4\u5c55\u6027\u4ee5\u53ca\u6539\u5584\u7528\u6236\u9ad4\u9a57\uff0c\u4f01\u696d\u53ef\u4ee5\u5728\u6fc0\u70c8\u7684\u5e02\u5834\u7af6\u722d\u4e2d\u4fdd\u6301\u512a\u52e2\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u9019\u4e9b\u5e73\u53f0\u80fd\u5920\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u8cc7\u6e90\u914d\u7f6e\uff0c\u5e6b\u52a9\u60a8\u5be6\u73fe\u6578\u64da\u5eab\u7684\u6700\u4f73\u5316\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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