\u5728\u7f8e\u56fd\u6570\u636e\u4e2d\u5fc3\u90e8\u7f72MySQL\u65f6\uff0c\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u5b9e\u65bd\u4ee5\u4e0b\u5168\u9762\u7684\u5b89\u5168\u63aa\u65bd\uff1a<\/p>\n

# \u8fd0\u884cMySQL\u5b89\u5168\u5b89\u88c5\u811a\u672c\r\nsudo mysql_secure_installation\r\n\r\n# \u914d\u7f6e\u5bc6\u7801\u9a8c\u8bc1\u63d2\u4ef6\r\nmysql -u root -p\r\nSET GLOBAL validate_password.policy=STRONG;\r\nSET GLOBAL validate_password.length=12;\r\nSET GLOBAL validate_password.mixed_case_count=1;\r\nSET GLOBAL validate_password.number_count=1;\r\nSET GLOBAL validate_password.special_char_count=1;<\/code><\/pre>\n
\u9ad8\u7ea7\u5b89\u5168\u914d\u7f6e\uff1a<\/p>\n
# \u521b\u5efa\u4e13\u7528\u7ba1\u7406\u5458\u7528\u6237\r\nCREATE USER 'admin'@'localhost' IDENTIFIED BY 'StrongPassword123!';\r\nGRANT ALL PRIVILEGES ON *.* TO 'admin'@'localhost' WITH GRANT OPTION;\r\nFLUSH PRIVILEGES;\r\n\r\n# \u8bbe\u7f6eSSL\u52a0\u5bc6\r\nsudo mysql_ssl_rsa_setup --uid=mysql\r\nsudo chown mysql:mysql \/var\/lib\/mysql\/*.pem<\/code><\/pre>\n
\u6027\u80fd\u4f18\u5316<\/strong><\/h2>\n
\u5bf9\u4e8e8GB\u5185\u5b58\u7684\u670d\u52a1\u5668\uff0c\u4f7f\u7528\u4ee5\u4e0b\u7ecf\u8fc7\u7cbe\u5fc3\u8c03\u6574\u7684\u8bbe\u7f6e\u6765\u4f18\u5316MySQL\u6027\u80fd\uff1a<\/p>\n
# \u7f16\u8f91MySQL\u914d\u7f6e\r\nsudo nano \/etc\/mysql\/mysql.conf.d\/mysqld.cnf\r\n\r\n[mysqld]\r\n# \u7f13\u51b2\u6c60\u8bbe\u7f6e\r\ninnodb_buffer_pool_size = 4G\r\ninnodb_buffer_pool_instances = 4\r\n\r\n# \u65e5\u5fd7\u6587\u4ef6\u8bbe\u7f6e\r\ninnodb_log_file_size = 256M\r\ninnodb_log_buffer_size = 16M\r\ninnodb_flush_log_at_trx_commit = 1\r\ninnodb_flush_method = O_DIRECT\r\n\r\n# \u8fde\u63a5\u8bbe\u7f6e\r\nmax_connections = 200\r\nthread_cache_size = 32\r\ntable_open_cache = 4000\r\n\r\n# \u67e5\u8be2\u7f13\u5b58\u8bbe\u7f6e\uff08MySQL 5.7\uff09\r\nquery_cache_type = 0\r\nquery_cache_size = 0\r\n\r\n# InnoDB\u8bbe\u7f6e\r\ninnodb_file_per_table = 1\r\ninnodb_read_io_threads = 4\r\ninnodb_write_io_threads = 4<\/code><\/pre>\n
\u81ea\u52a8\u5907\u4efd\u7b56\u7565<\/strong><\/h2>\n
\u5b9e\u65bd\u4ee5\u4e0b\u7efc\u5408\u5907\u4efd\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n
#!\/bin\/bash\r\n# \u9ad8\u7ea7MySQL\u5907\u4efd\u811a\u672c\r\n\r\n# \u914d\u7f6e\r\nTIMESTAMP=$(date +\"%Y%m%d_%H%M%S\")\r\nBACKUP_DIR=\"\/backup\/mysql\"\r\nMYSQL_USER=\"backup_user\"\r\nMYSQL_PASSWORD=\"your_secure_password\"\r\nRETENTION_DAYS=7\r\nLOG_FILE=\"\/var\/log\/mysql\/backup.log\"\r\n\r\n# \u521b\u5efa\u5907\u4efd\u76ee\u5f55\u7ed3\u6784\r\nmkdir -p $BACKUP_DIR\/{daily,weekly,monthly}\r\n\r\n# \u65e5\u5fd7\u8bb0\u5f55\u51fd\u6570\r\nlog_message() {\r\n    echo \"$(date '+%Y-%m-%d %H:%M:%S') - $1\" >> $LOG_FILE\r\n}\r\n\r\n# \u5907\u4efd\u51fd\u6570\r\nperform_backup() {\r\n    local OUTPUT_DIR=$1\r\n    local BACKUP_FILE=\"mysql_backup_${TIMESTAMP}.sql.gz\"\r\n    \r\n    mysqldump --user=$MYSQL_USER --password=$MYSQL_PASSWORD \\\r\n    --all-databases --events --routines --triggers \\\r\n    --single-transaction --quick --lock-tables=false \\\r\n    | gzip > \"${OUTPUT_DIR}\/${BACKUP_FILE}\"\r\n    \r\n    if [ $? -eq 0 ]; then\r\n        log_message \"\u5907\u4efd\u6210\u529f: ${BACKUP_FILE}\"\r\n    else\r\n        log_message \"\u5907\u4efd\u5931\u8d25: ${BACKUP_FILE}\"\r\n    fi\r\n}\r\n\r\n# \u6267\u884c\u6bcf\u65e5\u5907\u4efd\r\nperform_backup \"$BACKUP_DIR\/daily\"\r\n\r\n# \u5468\u65e5\u6267\u884c\u6bcf\u5468\u5907\u4efd\r\nif [ $(date +%u) -eq 7 ]; then\r\n    perform_backup \"$BACKUP_DIR\/weekly\"\r\nfi\r\n\r\n# \u6bcf\u67081\u65e5\u6267\u884c\u6bcf\u6708\u5907\u4efd\r\nif [ $(date +%d) -eq 01 ]; then\r\n    perform_backup \"$BACKUP_DIR\/monthly\"\r\nfi\r\n\r\n# \u6e05\u7406\u65e7\u5907\u4efd\r\nfind $BACKUP_DIR\/daily -type f -mtime +$RETENTION_DAYS -delete\r\nfind $BACKUP_DIR\/weekly -type f -mtime +30 -delete\r\nfind $BACKUP_DIR\/monthly -type f -mtime +90 -delete\r\n\r\nlog_message \"\u6e05\u7406\u5b8c\u6210\"<\/code><\/pre>\n
\u4f7f\u7528cron\u8bbe\u7f6e\u81ea\u52a8\u6267\u884c\uff1a<\/p>\n
# \u6253\u5f00crontab\r\ncrontab -e\r\n\r\n# \u6dfb\u52a0\u4ee5\u4e0b\u6761\u76ee\uff1a\r\n0 2 * * * \/path\/to\/backup_script.sh  # \u6bcf\u5929\u51cc\u66682\u70b9\r\n0 3 * * 0 \/path\/to\/verify_backup.sh  # \u6bcf\u5468\u5907\u4efd\u9a8c\u8bc1<\/code><\/pre>\n
\u76d1\u63a7\u548c\u7ef4\u62a4<\/strong><\/h2>\n
\u7528\u4e8e\u6570\u636e\u5e93\u5065\u5eb7\u68c0\u67e5\u7684\u57fa\u672c\u76d1\u63a7\u67e5\u8be2\uff1a<\/p>\n
# \u76d1\u63a7\u7cfb\u7edf\u4f7f\u7528\u60c5\u51b5\r\nSELECT VARIABLE_VALUE\/1024\/1024 as memory_used_MB \r\nFROM performance_schema.global_status \r\nWHERE VARIABLE_NAME = 'memory_used';\r\n\r\n# \u68c0\u67e5\u8868\u5927\u5c0f\u548c\u589e\u957f\r\nSELECT \r\n    table_schema as '\u6570\u636e\u5e93',\r\n    table_name as '\u8868',\r\n    round(((data_length + index_length) \/ 1024 \/ 1024), 2) as '\u5927\u5c0f (MB)',\r\n    round(index_length \/ 1024 \/ 1024, 2) as '\u7d22\u5f15\u5927\u5c0f (MB)'\r\nFROM information_schema.TABLES\r\nORDER BY (data_length + index_length) DESC\r\nLIMIT 10;\r\n\r\n# \u76d1\u63a7\u6162\u67e5\u8be2\r\nSET GLOBAL slow_query_log = 'ON';\r\nSET GLOBAL long_query_time = 2;\r\nSET GLOBAL slow_query_log_file = '\/var\/log\/mysql\/slow-query.log';<\/code><\/pre>\n
\u6700\u4f73\u5b9e\u8df5\u548c\u7ef4\u62a4\u8ba1\u5212<\/strong><\/h2>\n
\u9075\u5faa\u4ee5\u4e0b\u7ef4\u62a4\u8ba1\u5212\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd\uff1a<\/p>\n
\n
\u6bcf\u65e5\u4efb\u52a1\uff1a\n
\n
\u76d1\u63a7\u9519\u8bef\u65e5\u5fd7<\/li>\n
\u68c0\u67e5\u5907\u4efd\u5b8c\u6210\u72b6\u6001<\/li>\n
\u76d1\u63a7\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5<\/li>\n<\/ul>\n<\/li>\n
\u6bcf\u5468\u4efb\u52a1\uff1a\n
\n
\u5ba1\u67e5\u6162\u67e5\u8be2\u65e5\u5fd7<\/li>\n
\u5206\u6790\u8868\u788e\u7247\u5316\u60c5\u51b5<\/li>\n
\u9a8c\u8bc1\u5907\u4efd\u5b8c\u6574\u6027<\/li>\n<\/ul>\n<\/li>\n
\u6bcf\u6708\u4efb\u52a1\uff1a\n
\n
\u5b89\u5168\u5ba1\u8ba1<\/li>\n
\u6027\u80fd\u4f18\u5316\u5ba1\u67e5<\/li>\n
\u7528\u6237\u6743\u9650\u5ba1\u67e5<\/li>\n<\/ul>\n<\/li>\n
\u5b63\u5ea6\u4efb\u52a1\uff1a\n
\n
\u4e3b\u8981\u7248\u672c\u5347\u7ea7\u8bc4\u4f30<\/li>\n
\u5bb9\u91cf\u89c4\u5212\u5ba1\u67e5<\/li>\n
\u707e\u96be\u6062\u590d\u6d4b\u8bd5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u901a\u8fc7\u9075\u5faa\u672c\u7efc\u5408\u6307\u5357\uff0c\u60a8\u5c06\u62e5\u6709\u4e00\u4e2a\u9002\u5408\u5728\u7f8e\u56fd\u6570\u636e\u4e2d\u5fc3\u751f\u4ea7\u73af\u5883\u4f7f\u7528\u7684\u5f3a\u5927\u3001\u5b89\u5168\u548c\u4f18\u5316\u7684MySQL\u5b89\u88c5\u3002\u5b9a\u671f\u7ef4\u62a4\u548c\u76d1\u63a7\u5c06\u786e\u4fdd\u60a8\u7684\u6570\u636e\u5e93\u57fa\u7840\u8bbe\u65bd\u6301\u7eed\u4fdd\u6301\u6700\u4f73\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u7f8e\u56fd\u6570\u636e\u4e2d\u5fc3\u6258\u7ba1\u7684Linux\u670d\u52a1\u5668\u4e0a\u90e8\u7f72MySQL\u9700\u8981\u4ed4\u7ec6\u7684\u89c4\u5212\u548c\u6267\u884c\u3002\u672c\u7efc\u5408\u6307\u5357\u5c06\u5e26\u60a8\u5b8c\u6210\u5b89\u88c5\u8fc7\u7a0b\u3001\u5b89\u5168\u914d\u7f6e\u548c\u6027\u80fd\u4f18\u5316\u3002\u65e0\u8bba\u60a8\u662f\u8fd0\u884c\u9ad8\u6d41\u91cf\u5e94\u7528\u8fd8\u662f\u7ba1\u7406\u4f01\u4e1a\u6570\u636e\uff0c\u672c\u6307\u5357\u90fd\u80fd\u786e\u4fdd\u60a8\u7684MySQL\u90e8\u7f72\u7b26\u5408\u4e13\u4e1a\u6807\u51c6\u5e76\u9075\u5b88\u7f8e\u56fd\u6570\u636e\u6cd5\u89c4\u3002 \u91cd\u8981\u63d0\u793a\uff1a\u5728\u7f8e\u56fd\u6570\u636e\u4e2d\u5fc3\u914d\u7f6e\u6570\u636e\u5e93\u670d\u52a1\u5668\u65f6\uff0c\u59cb\u7ec8\u786e\u4fdd\u7b26\u5408\u5f53\u5730\u6570\u636e\u4fdd\u62a4\u6cd5\u5f8b\u6cd5\u89c4\u3002 \u7cfb\u7edf\u8981\u6c42\u548c\u51c6\u5907\u5de5\u4f5c \u5728\u5f00\u59cbMySQL\u5b89\u88c5\u4e4b\u524d\uff0c\u8bf7\u9a8c\u8bc1\u60a8\u7684\u7f8e\u56fdLinux\u670d\u52a1\u5668\u662f\u5426\u6ee1\u8db3\u4ee5\u4e0b\u57fa\u672c\u524d\u63d0\u6761\u4ef6\u3002\u8fd9\u4e9b\u8981\u6c42\u57fa\u4e8e\u5e7f\u6cdb\u7684\u6d4b\u8bd5\u548c\u5b9e\u9645\u90e8\u7f72\u573a\u666f\uff1a \u6700\u4f4e2GB\u5185\u5b58\uff08\u751f\u4ea7\u73af\u5883\u5efa\u8bae8GB\uff09 \u81f3\u5c1110GB\u53ef\u7528\u78c1\u76d8\u7a7a\u95f4\uff08\u63a8\u8350SSD\u5b58\u50a8\uff09 \u5177\u6709\u9002\u5f53\u6743\u9650\u7684root\u6216sudo\u8bbf\u95ee\u6743\u9650 \u7528\u4e8e\u4e0b\u8f7d\u8f6f\u4ef6\u5305\u7684\u6d3b\u8dc3\u4e92\u8054\u7f51\u8fde\u63a5 \u5df2\u66f4\u65b0\u7684\u5305\u7ba1\u7406\u5668\u548c\u7cfb\u7edf\u5305 \u517c\u5bb9\u7684Linux\u53d1\u884c\u7248\uff08\u63a8\u8350Ubuntu 20.04+\u6216CentOS 7+\uff09 \u5982\u5b89\u5168\u7b56\u7565\u8981\u6c42\uff0c\u914d\u7f6eSELinux\u6216AppArmor \u9996\u5148\u4f7f\u7528\u4ee5\u4e0b\u57fa\u672c\u547d\u4ee4\u9a8c\u8bc1\u60a8\u7684\u7cfb\u7edf\u8d44\u6e90\uff1a # \u68c0\u67e5\u53ef\u7528\u5185\u5b58\u548c\u4ea4\u6362\u7a7a\u95f4 free -h # \u9a8c\u8bc1\u53ef\u7528\u78c1\u76d8\u7a7a\u95f4 df -h # \u67e5\u770bCPU\u4fe1\u606f lscpu # \u68c0\u67e5\u7cfb\u7edf\u7248\u672c cat \/etc\/os-release \u5b89\u88c5\u8fc7\u7a0b \u672c\u6307\u5357\u4f7f\u7528Ubuntu 22.04 LTS\u4f5c\u4e3a\u57fa\u7840\u7cfb\u7edf\u3002\u5bf9\u4e8e\u5176\u4ed6\u53d1\u884c\u7248\uff0c\u8bf7\u76f8\u5e94\u8c03\u6574\u5305\u540d\u79f0\u548c\u547d\u4ee4\u3002\u9996\u5148\u8fdb\u884c\u5f7b\u5e95\u7684\u7cfb\u7edf\u66f4\u65b0\uff1a # \u66f4\u65b0\u8f6f\u4ef6\u5305\u4ed3\u5e93\u4fe1\u606f sudo apt update # \u5347\u7ea7\u6240\u6709\u5df2\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305 sudo apt upgrade -y # \u5b89\u88c5MySQL\u670d\u52a1\u5668\u548c\u76f8\u5173\u5de5\u5177 sudo apt install mysql-server mysql-client mysql-common -y # \u5b89\u88c5\u5176\u4ed6\u6709\u7528\u7684\u5de5\u5177 […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":21862,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4816],"tags":[6170,6171,6172,6173,353],"class_list":["post-21880","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-sc","tag-mysql-installation-sc","tag-us-linux-server-sc","tag-database-configuration-sc","tag-mysql-security-sc","tag-server-rental-sc"],"acf":[],"yoast_head":"\n