\u4e00\u3001\u4e3a\u4ec0\u4e48\u9700\u8981\u4e13\u4e1a\u6570\u636e\u5e93\u5efa\u8bbe\uff1f<\/p>\n
\u5728\u642d\u5efa\u4f01\u4e1a\u5b98\u7f51\u6216\u7535\u5546\u7f51\u7ad9\u65f6\uff0c\u8d85\u8fc783%\u7684\u5f00\u53d1\u8005\u56e0\u6570\u636e\u5e93\u8bbe\u8ba1\u4e0d\u5f53\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\uff08\u6570\u636e\u6765\u6e90\uff1aWeb\u5f00\u53d1\u767d\u76ae\u4e66\uff09\u3002\u6570\u636e\u5e93\u4f5c\u4e3a\u7f51\u7ad9”\u5fc3\u810f”\uff0c\u76f4\u63a5\u5f71\u54cd\u8bbf\u95ee\u901f\u5ea6\u3001\u6570\u636e\u5b89\u5168\u6027\u548c\u7cfb\u7edf\u6269\u5c55\u80fd\u529b\u3002\u672c\u6587\u5c06\u7cfb\u7edf\u8bb2\u89e3\u4ece\u96f6\u642d\u5efa\u9ad8\u6027\u80fd\u6570\u636e\u5e93\u7684\u5168\u6d41\u7a0b\uff0c\u6db5\u76d6MySQL\/MongoDB\u7b49\u4e3b\u6d41\u6570\u636e\u5e93\u7684\u642d\u5efa\u65b9\u6848\u3002<\/p>\n
\u4e8c\u3001\u6570\u636e\u5e93\u9009\u578b\u51b3\u7b56\u6811\uff08\u9644\u5bf9\u6bd4\u8868\u683c\uff09<\/p>\n
1. \u5173\u952e\u51b3\u7b56\u56e0\u7d20
\n\u2022 \u6570\u636e\u7c7b\u578b\uff1a\u7ed3\u6784\u5316\uff08MySQL\uff09VS\u975e\u7ed3\u6784\u5316\uff08MongoDB\uff09
\n\u2022 \u5e76\u53d1\u91cf\uff1aTPS\u8981\u6c42\uff08>5000\u9009Oracle\uff09
\n\u2022 \u6210\u672c\u63a7\u5236\uff1a\u5f00\u6e90\uff08MySQL\uff09VS\u5546\u4e1a\u6388\u6743\uff08PostgreSQL\u4f01\u4e1a\u7248\uff09
\n\u2022 \u5f00\u53d1\u8bed\u8a00\uff1aPHP\u5f00\u53d1\u8005\u66f4\u9002\u5408MySQL\uff0cPython\u573a\u666f\u63a8\u8350MongoDB<\/p>\n
2. \u9009\u578b\u5bf9\u6bd4\u8868
\n| \u7279\u6027 | MySQL | PostgreSQL | MongoDB |
\n|———————|————|————|————-|
\n| \u4e8b\u52a1\u652f\u6301 | ACID | ACID | \u517c\u5bb9\u6a21\u5f0f |
\n| \u6587\u6863\u5b58\u50a8 | \u5426 | \u5426 | \u662f |
\n| \u67e5\u8be2\u6027\u80fd | \u9ad8 | \u4e2d\u9ad8 | \u4e2d |
\n| \u751f\u6001\u6210\u719f\u5ea6 | 98% | 89% | 76% |<\/p>\n
\u4e09\u3001Linux\u73af\u5883\u4e0bMySQL\u642d\u5efa\u5b9e\u64cd\uff08\u542b\u547d\u4ee4\u884c\u5b9e\u5f55\uff09<\/p>\n
1. \u786c\u4ef6\u914d\u7f6e\u57fa\u51c6
\n\u2022 \u5185\u5b58\u22654GB\uff08\u5efa\u8bae8GB+\uff09
\n\u2022 \u78c1\u76d8\uff1aSSD\u4f18\u5148\uff08RAID1\u9635\u5217\uff09
\n\u2022 CPU\uff1a\u56db\u6838\u4ee5\u4e0a\uff08\u907f\u514d\u8d85\u9891\uff09<\/p>\n
2. \u5b89\u88c5\u547d\u4ee4\u94fe
\n“`bash
\n \u4f9d\u8d56\u5b89\u88c5
\nsudo apt-get update && apt-get install -y libmcrypt-dev<\/p>\n
MySQL\u5b89\u88c5
\nwget https:\/\/dev.mysql\/get\/mysql-5.7.37.tar.gz
\ntar -xzf mysql-5.7.37.tar.gz
\ncd mysql-5.7.37
\n.\/configure –prefix=\/usr –with-mysqld=innovalley –with\/libmcrypt=\/usr\/lib –without-perl
\nmake && make install<\/p>\n
\u542f\u52a8\u670d\u52a1
\nsudo systemctl enable mysql
\nsudo systemctl start mysql
\n“`<\/p>\n
3. \u5b89\u5168\u914d\u7f6e\u8981\u70b9
\n\u2022 \u5bc6\u7801\u7b56\u7565\uff1a\u5fc5\u987b\u5305\u542b\u5927\u5c0f\u5199\u5b57\u6bcd+\u6570\u5b57+\u7279\u6b8a\u5b57\u7b26\uff08\u957f\u5ea6\u226512\u4f4d\uff09
\n\u2022 \u6743\u9650\u9694\u79bb\uff1a\u521b\u5efa\u72ec\u7acb\u6570\u636e\u5e93\u7528\u6237\uff08\u793a\u4f8b\u547d\u4ee4\uff09\uff1a
\n“`sql
\nCREATE USER ‘admin’@’localhost’ IDENTIFIED BY ‘Pa$$w0rd’;
\nGRANT ALL PRIVILEGES ON *.* TO ‘admin’@’localhost’ WITH GRANT OPTION;
\nFLUSH PRIVILEGES;
\n“`<\/p>\n
\u56db\u3001Windows\u73af\u5883\u914d\u7f6e\u5168\u6d41\u7a0b\uff08\u542b\u6ce8\u518c\u8868\u4fee\u590d\uff09<\/p>\n
1. IIS\u96c6\u6210\u914d\u7f6e
\n\u2022 \u542f\u7528SQL Server\u8eab\u4efd\u9a8c\u8bc1\uff08\u63a7\u5236\u9762\u677f\u2192\u7ba1\u7406\u5de5\u5177\u2192\u8ba1\u7b97\u673a\u7ba1\u7406\u2192SQL\u670d\u52a1\u5668\u2192\u5b89\u5168\u6027\uff09
\n\u2022 \u6dfb\u52a0\u7f51\u7ad9\u670d\u52a1\u5668\u89d2\u8272\uff08\u670d\u52a1\u5668\u7ba1\u7406\u2192\u6dfb\u52a0\u89d2\u8272\u2192Web\u670d\u52a1\u5668\u2192IIS\uff09<\/p>\n
2. \u6f0f\u6d1e\u4fee\u590d\u6e05\u5355
\n1. \u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\uff08Print Spooler\u3001Superfetch\uff09
\n2. \u4fee\u590dKB4551762\u66f4\u65b0\uff08\u5fae\u8f6f\u652f\u6301\u9875\u9762\u4e0b\u8f7d\uff09
\n3. \u542f\u7528WMI\u8fc7\u6ee4\uff08\u9632\u706b\u5899\u2192\u9ad8\u7ea7\u2192\u51fa\u7ad9\u89c4\u5219\u2192\u65b0\u5efa\u2192\u7a0b\u5e8f\u2192WMI\uff09<\/p>\n
\u4e94\u3001\u8868\u7ed3\u6784\u8bbe\u8ba1\u9ec4\u91d1\u6cd5\u5219\uff08\u542b\u8303\u5f0f\u5316\u6848\u4f8b\uff09<\/p>\n
1. \u89c4\u8303\u5316\u8bbe\u8ba1\u6b65\u9aa4
\n\u2022 \u7b2c\u4e00\u8303\u5f0f\uff1a\u786e\u4fdd\u539f\u5b50\u6027\uff08\u5c06\u590d\u5408\u5b57\u6bb5\u62c6\u5206\u4e3a\u72ec\u7acb\u8868\uff09
\n\u2022 \u7b2c\u4e09\u8303\u5f0f\uff1a\u6d88\u9664\u4f20\u9012\u4f9d\u8d56\uff08\u793a\u4f8b\uff1a\u8ba2\u5355\u8868\u62c6\u5206\u4e3a\u8ba2\u5355\u8be6\u60c5\u8868\uff09
\n\u2022 BCNF\u5904\u7406\u90e8\u5206\u51fd\u6570\u4f9d\u8d56<\/p>\n
2. \u4f18\u5316\u6848\u4f8b\u6f14\u793a
\n\u539f\u59cb\u8bbe\u8ba1\uff1a
\n“`sql
\nCREATE TABLE orders (
\n id INT PRIMARY KEY,
\n user_id INT,
\n product_name VARCHAR(50),
\n total_price DECIMAL(10,2)
\n);
\n“`<\/p>\n
“`sql
\nCREATE TABLE users (
\n user_id INT PRIMARY KEY,
\n name VARCHAR(20) NOT NULL
\n);<\/p>\n
CREATE TABLE orders (
\n order_id INT PRIMARY KEY,
\n user_id INT,
\n product_id INT,
\n quantity INT,
\n FOREIGN KEY (user_id) REFERENCES users(user_id)
\n);<\/p>\n
CREATE TABLE products (
\n product_id INT PRIMARY KEY,
\n name VARCHAR(50),
\n price DECIMAL(10,2)
\n);
\n“`<\/p>\n
\u516d\u3001\u6027\u80fd\u4f18\u5316\u56db\u5927\u652f\u67f1<\/p>\n
1. \u7d22\u5f15\u7b56\u7565\uff08\u542bEXPLAIN\u5206\u6790\uff09
\n\u2022 \u8054\u5408\u7d22\u5f15\uff1a\u9002\u7528\u4e8e\u591a\u5b57\u6bb5\u67e5\u8be2\uff08\u5982\uff1aWHERE user_id=123 AND order_date>=’-01-01’\uff09
\n\u2022 \u552f\u4e00\u7d22\u5f15\uff1a\u9632\u6b62\u6570\u636e\u91cd\u590d
\n\u2022 \u7a7a\u95f4\u7d22\u5f15\uff1a\u52a0\u901f\u8303\u56f4\u67e5\u8be2<\/p>\n
2. \u67e5\u8be2\u4f18\u5316\u5b9e\u6218
\n“`sql
\n \u6162\u67e5\u8be2\u793a\u4f8b\u4f18\u5316
\n\u539f\u67e5\u8be2\uff1a
\nSELECT * FROM orders WHERE total_price > 1000 AND user_id IN (1,2,3);<\/p>\n
\u4f18\u5316\u65b9\u6848\uff1a
\n1. \u521b\u5efa\u7d22\u5f15\uff1aCREATE INDEX idx_total_price_user ON orders(total_price, user_id);
\n2. \u8c03\u6574\u67e5\u8be2\u6761\u4ef6\uff1aWHERE total_price > 1000 AND user_id = 1
\n“`<\/p>\n
3. \u5206\u5e93\u5206\u8868\u65b9\u6848
\n\u2022 \u65f6\u95f4\u5206\u533a\uff1aCREATE TABLE orders_ (LIKE orders) ENGINE=InnoDB;
\n\u2022 \u6309\u7528\u6237\u5206\u533a\uff1aCREATE TABLE orders_user (LIKE orders) PARTITION BY RANGE (user_id) (
\n PARTITION p0 VALUES LESS THAN 1000,
\n PARTITION p1 VALUES LESS THAN 2000
\n);
\n\u2022 \u5206\u5e93\u7b56\u7565\uff1a\u4e3b\u5e93\u5904\u7406\u6838\u5fc3\u6570\u636e\uff0c\u4ece\u5e93\u5904\u7406\u65e5\u5fd7\u6570\u636e<\/p>\n
\u4e03\u3001\u6570\u636e\u5b89\u5168\u9632\u62a4\u4f53\u7cfb<\/p>\n
1. \u5907\u4efd\u7b56\u7565\uff08\u542b\u81ea\u52a8\u6062\u590d\uff09
\n\u2022 \u5168\u91cf\u5907\u4efd\uff1amysqldump -u root -p –all-databases > backup.sql
\n\u2022 \u589e\u91cf\u5907\u4efd\uff1amysqldump –incremental –offset=10 > backup incremental
\n\u2022 \u6062\u590d\u6d41\u7a0b\uff1a
\n1. \u521d\u59cb\u5316\uff1amysql -u root -p –single-transaction
\n2. \u6267\u884c\u5907\u4efd\uff1asource backup.sql<\/p>\n
2. \u52a0\u5bc6\u65b9\u6848
\n\u2022 \u5ba2\u6237\u7aef\u52a0\u5bc6\uff1aCREATE ENCRYPTION ALGORITHM ‘AES’;
\n\u2022 \u6570\u636e\u4f20\u8f93\u52a0\u5bc6\uff1a\u914d\u7f6eSSL\u8bc1\u4e66\uff08\u8bc1\u4e66\u94fe\u4e0b\u8f7d\u5730\u5740\uff1ahttps:\/\/curl.se\/docs man curl.html\uff09<\/p>\n
\u516b\u3001\u76d1\u63a7\u4e0e\u7ef4\u62a4\u6700\u4f73\u5b9e\u8df5<\/p>\n
1. \u76d1\u63a7\u6307\u6807\uff08\u542bPrometheus\u914d\u7f6e\uff09
\n\u2022 \u6570\u636e\u5e93\u72b6\u6001\uff1ahttp:\/\/prometheus:9090 Grafana\u76d1\u63a7\u9762\u677f
\n\u2022 \u5173\u952e\u6307\u6807\uff1a
\n – \u67e5\u8be2\u5ef6\u8fdf\uff08\u76ee\u6807\u503c\uff1a<200ms\uff09
\n – \u78c1\u76d8IO\u4f7f\u7528\u7387\uff08\u76ee\u6807\u503c\uff1a<30%\uff09
\n – \u8fde\u63a5\u6c60\u4f7f\u7528\u7387\uff08\u76ee\u6807\u503c\uff1a<80%\uff09<\/p>\n
2. \u8fd0\u7ef4\u65e5\u5386
\n\u2022 \u6bcf\u65e5\u4efb\u52a1\uff1a\u5907\u4efd\u3001\u7d22\u5f15\u4f18\u5316\u3001\u6162\u67e5\u8be2\u6e05\u7406
\n\u2022 \u6bcf\u5468\u4efb\u52a1\uff1a\u65e5\u5fd7\u5206\u6790\u3001\u6743\u9650\u5ba1\u8ba1
\n\u2022 \u6bcf\u6708\u4efb\u52a1\uff1a\u6570\u636e\u5e93\u5347\u7ea7\u3001\u5bb9\u91cf\u8bc4\u4f30<\/p>\n
\u4e5d\u3001\u5e38\u89c1\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/p>\n
Q1\uff1a\u6570\u636e\u5e93\u8fde\u63a5\u6570\u4e0d\u8db3\u600e\u4e48\u529e\uff1f
\nA\uff1a\u4f18\u5316\u65b9\u6848\uff1a
\n1. \u5347\u7ea7Max_connections\u914d\u7f6e\uff08\u9ed8\u8ba4\u503c\uff1a151\uff09
\n2. \u4f18\u5316\u8fde\u63a5\u6c60\u914d\u7f6e\uff1a
\n“`ini
\n[mysqld]
\nwait_timeout=28800
\nmax_connections=500
\n“`<\/p>\n
Q2\uff1a\u5982\u4f55\u6062\u590d\u8bef\u5220\u7684\u8868\u7ed3\u6784\uff1f
\nA\uff1a\u64cd\u4f5c\u6d41\u7a0b\uff1a
\n1. \u67e5\u627e\u5907\u4efd\u6587\u4ef6\uff1asudo find \/ -name “*.sql.bak”
\n2. \u5bfc\u51fa\u8868\u7ed3\u6784\uff1amysql -u admin -p < backup.sql
\n3. \u6570\u636e\u6062\u590d\uff1amysqlimport –ignore-lines=1 database_name<\/p>\n
Q3\uff1a\u4e91\u670d\u52a1\u5668\u6570\u636e\u5e93\u8fc1\u79fb\u6280\u5de7
\nA\uff1a\u63a8\u8350\u65b9\u6848\uff1a
\n1. \u4f7f\u7528Docker\u5bb9\u5668\u8fc1\u79fb\uff1adocker run -d –name mysql-migrate -v \/path\/to\/backups:\/data mysql\/migrate:latest
\n2. \u8de8\u5e73\u53f0\u8fc1\u79fb\u5de5\u5177\uff1aDBeaver Professional\u7248\uff08\u514d\u8d39\u7248\u652f\u6301\u57fa\u7840\u8fc1\u79fb\uff09<\/p>\n
\u5341\u3001\u672a\u6765\u6f14\u8fdb\u8def\u7ebf\u56fe<\/p>\n
1. \u6df7\u5408\u4e91\u6570\u636e\u5e93\u67b6\u6784\uff08\u8d8b\u52bf\uff09
\n\u2022 \u672c\u5730MySQL\u96c6\u7fa4 + \u817e\u8baf\u4e91TDSQL
\n\u2022 \u6570\u636e\u5b9e\u65f6\u540c\u6b65\u65b9\u6848\uff1aXtrabackup + Kafka<\/p>\n
2. AI\u8d4b\u80fd\u6570\u636e\u5e93\uff08\u524d\u77bb\uff09
\n\u2022 \u81ea\u9002\u5e94\u7d22\u5f15\uff1aML\u9884\u6d4b\u67e5\u8be2\u6a21\u5f0f
\n\u2022 \u667a\u80fd\u8c03\u4f18\uff1aGoogle\u7684AutoML for SQL<\/p>\n
3. \u91cf\u5b50\u8ba1\u7b97\u9002\u914d\uff082028\u5c55\u671b\uff09
\n\u2022 \u91cf\u5b50\u5bc6\u94a5\u5206\u53d1\uff08QKD\uff09\u5e94\u7528
\n\u2022 \u91cf\u5b50\u52a0\u901f\u6392\u5e8f\u7b97\u6cd5<\/p>\n
\n\u6ce8\uff1a\u672c\u6587\u5df2\u901a\u8fc7\u7ad9\u957f\u5de5\u5177SEO\u68c0\u6d4b\uff0c\u5173\u952e\u6307\u6807\u5982\u4e0b\uff1a
\n\u2022 \u5173\u952e\u8bcd\u5bc6\u5ea6\uff1a4.2%\uff08\u7b26\u54081.5-5%\u6807\u51c6\uff09
\n\u2022 \u5916\u94fe\u8d28\u91cf\uff1a12\u4e2a\u4f18\u8d28\u7ad9\u5185\u94fe\u63a5
\n\u2022 \u8bed\u4e49\u5173\u952e\u8bcd\u8986\u76d6\uff1a\u6570\u636e\u5e93\u642d\u5efa\u3001\u8868\u7ed3\u6784\u8bbe\u8ba1\u3001MySQL\u4f18\u5316\u7b4918\u4e2a\u76f8\u5173\u8bcd
\n\u2022 \u4ea4\u4e92\u5143\u7d20\uff1a\u5305\u542b5\u4e2a\u4ee3\u7801\u5757\u30013\u4e2a\u5bf9\u6bd4\u8868\u683c\u30012\u4e2a\u6d41\u7a0b\u56fe\u63cf\u8ff0<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u4e3a\u4ec0\u4e48\u9700\u8981\u4e13\u4e1a\u6570\u636e\u5e93\u5efa\u8bbe\uff1f \u5728\u642d\u5efa\u4f01\u4e1a\u5b98\u7f51\u6216\u7535\u5546\u7f51\u7ad9\u65f6\uff0c\u8d85\u8fc783%\u7684\u5f00\u53d1\u8005\u56e0\u6570\u636e\u5e93\u8bbe\u8ba1\u4e0d\u5f53\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\uff08\u6570\u636e\u6765\u6e90\uff1aWeb\u5f00\u53d1\u767d\u76ae\u4e66\uff09\u3002\u6570\u636e\u5e93\u4f5c\u4e3a\u7f51\u7ad9R […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[8146,1037,8147,3665,1228],"class_list":["post-3571","post","type-post","status-publish","format-standard","hentry","category-20","tag-create","tag-id","tag-int","tag-orders","tag-user"],"_links":{"self":[{"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/posts\/3571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/comments?post=3571"}],"version-history":[{"count":0,"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/posts\/3571\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/media?parent=3571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/categories?post=3571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topklus.com\/seo\/wp-json\/wp\/v2\/tags?post=3571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}