{"id":1702,"date":"2022-11-25T11:26:30","date_gmt":"2022-11-25T03:26:30","guid":{"rendered":"https:\/\/qaqaq.top\/?p=1702"},"modified":"2022-11-28T20:05:17","modified_gmt":"2022-11-28T12:05:17","slug":"%e5%85%ad%e5%a4%a7%e6%97%a5%e5%bf%97%e6%96%87%e4%bb%b6%e7%9a%84%e6%a6%82%e8%bf%b0%e3%80%81%e9%80%9a%e7%94%a8%e6%9f%a5%e8%af%a2%e6%97%a5%e5%bf%97%e3%80%81%e9%94%99%e8%af%af%e6%97%a5%e5%bf%97%e3%80%81bi","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=1702","title":{"rendered":"\u516d\u5927\u65e5\u5fd7\u6587\u4ef6\u7684\u6982\u8ff0\u3001\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u3001\u9519\u8bef\u65e5\u5fd7\u3001binlog\u65e5\u5fd7\u7684\u53c2\u6570\u8bbe\u7f6e\u4e0e\u5b9e\u73b0\u6570\u636e\u6062\u590d\u6f14\u793a\u3001binlog\u7684\u5220\u9664\u3001binlog\u7684\u5199\u5165\u673a\u5236\u4e0e\u4e24\u9636\u6bb5\u63d0\u4ea4\u3001\u4e2d\u7ee7\u65e5\u5fd7"},"content":{"rendered":"\n
# \u7b2c17\u7ae0_\u5176\u4ed6\u6570\u636e\u5e93\u65e5\u5fd7\n\n# \u5343\u4e07\u4e0d\u8981\u5c0f\u770b\u65e5\u5fd7\u3002\u5f88\u591a\u770b\u4f3c\u5947\u602a\u7684\u95ee\u9898\uff0c\u7b54\u6848\u5f80\u5f80\u5c31\u85cf\u5728\u65e5\u5fd7\u91cc\u3002\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\n# \u53ea\u6709\u901a\u8fc7\u67e5\u770b\u65e5\u5fd7\u624d\u80fd\u53d1\u73b0\u95ee\u9898\u7684\u539f\u56e0\uff0c\u771f\u6b63\u89e3\u51b3\u95ee\u9898\u3002\u6240\u4ee5\uff0c\u4e00\u5b9a\u8981\u5b66\u4f1a\u67e5\u770b\u65e5\u5fd7\uff0c\u517b\u6210\u68c0\u67e5\u65e5\u5fd7\u7684\u4e60\u60ef\uff0c\n# \u5bf9\u63d0\u5347\u4f60\u7684\u6570\u636e\u5e93\u5e94\u7528\u5f00\u53d1\u80fd\u529b\u81f3\u5173\u91cd\u8981\u3002\n\n# 1. MySQL\u652f\u6301\u7684\u65e5\u5fd7\n\n# 1.1 \u65e5\u5fd7\u7c7b\u578b\n# MySQL\u6709\u4e0d\u540c\u7c7b\u578b\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u7528\u6765\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u65e5\u5fd7\uff0c\n# \u5206\u4e3a \u4e8c\u8fdb\u5236\u65e5\u5fd7 \u3001 \u9519\u8bef\u65e5\u5fd7 \u3001 \u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u548c \u6162\u67e5\u8be2\u65e5\u5fd7 \uff0c\u8fd9\u4e5f\u662f\u5e38\u7528\u76844\u79cd\u3002\n# MySQL 8\u53c8\u65b0\u589e\u4e24\u79cd\u652f\u6301\u7684\u65e5\u5fd7\uff1a \u4e2d\u7ee7\u65e5\u5fd7 \u548c \u6570\u636e\u5b9a\u4e49\u8bed\u53e5\u65e5\u5fd7 \u3002\u4f7f\u7528\u8fd9\u4e9b\u65e5\u5fd7\u6587\u4ef6\uff0c\n# \u53ef\u4ee5\u67e5\u770bMySQL\u5185\u90e8\u53d1\u751f\u7684\u4e8b\u60c5\u3002\n\n# \u8fd96\u7c7b\u65e5\u5fd7\u5206\u522b\u4e3a\uff1a\n#     \u6162\u67e5\u8be2\u65e5\u5fd7\uff1a\u8bb0\u5f55\u6240\u6709\u6267\u884c\u65f6\u95f4\u8d85\u8fc7long_query_time\u7684\u6240\u6709\u67e5\u8be2\uff0c\u65b9\u4fbf\u6211\u4eec\u5bf9\u67e5\u8be2\u8fdb\u884c\u4f18\u5316\u3002\n#     \u901a\u7528\u67e5\u8be2\u65e5\u5fd7\uff1a\u8bb0\u5f55\u6240\u6709\u8fde\u63a5\u7684\u8d77\u59cb\u65f6\u95f4\u548c\u7ec8\u6b62\u65f6\u95f4\uff0c\u4ee5\u53ca\u8fde\u63a5\u53d1\u9001\u7ed9\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u6240\u6709\u6307\u4ee4\uff0c\n# \u5bf9\u6211\u4eec\u590d\u539f\u64cd\u4f5c\u7684\u5b9e\u9645\u573a\u666f\u3001\u53d1\u73b0\u95ee\u9898\uff0c\u751a\u81f3\u662f\u5bf9\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5ba1\u8ba1\u90fd\u6709\u5f88\u5927\u7684\u5e2e\u52a9\u3002\n#     \u9519\u8bef\u65e5\u5fd7\uff1a\u8bb0\u5f55MySQL\u670d\u52a1\u7684\u542f\u52a8\u3001\u8fd0\u884c\u6216\u505c\u6b62MySQL\u670d\u52a1\u65f6\u51fa\u73b0\u7684\u95ee\u9898\uff0c\u65b9\u4fbf\u6211\u4eec\u4e86\u89e3\u670d\u52a1\u5668\u7684\u72b6\u6001\uff0c\n# \u4ece\u800c\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u7ef4\u62a4\u3002\n#     \u4e8c\u8fdb\u5236\u65e5\u5fd7\uff1a\u8bb0\u5f55\u6240\u6709\u66f4\u6539\u6570\u636e\u7684\u8bed\u53e5\uff0c\u53ef\u4ee5\u7528\u4e8e\u4e3b\u4ece\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u6570\u636e\u540c\u6b65\uff0c\n# \u4ee5\u53ca\u670d\u52a1\u5668\u9047\u5230\u6545\u969c\u65f6\u6570\u636e\u7684\u65e0\u635f\u5931\u6062\u590d\u3002\n#     \u4e2d\u7ee7\u65e5\u5fd7\uff1a\u7528\u4e8e\u4e3b\u4ece\u670d\u52a1\u5668\u67b6\u6784\u4e2d\uff0c\u4ece\u670d\u52a1\u5668\u7528\u6765\u5b58\u653e\u4e3b\u670d\u52a1\u5668\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5185\u5bb9\u7684\u4e00\u4e2a\u4e2d\u95f4\u6587\u4ef6\u3002\n# \u4ece\u670d\u52a1\u5668\u901a\u8fc7\u8bfb\u53d6\u4e2d\u7ee7\u65e5\u5fd7\u7684\u5185\u5bb9\uff0c\u6765\u540c\u6b65\u4e3b\u670d\u52a1\u5668\u4e0a\u7684\u64cd\u4f5c\u3002\n#     \u6570\u636e\u5b9a\u4e49\u8bed\u53e5\u65e5\u5fd7\uff1a\u8bb0\u5f55\u6570\u636e\u5b9a\u4e49\u8bed\u53e5\u6267\u884c\u7684\u5143\u6570\u636e\u64cd\u4f5c\u3002\n\n# \u9664\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5916\uff0c\u5176\u4ed6\u65e5\u5fd7\u90fd\u662f \u6587\u672c\u6587\u4ef6 \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u65e5\u5fd7\u521b\u5efa\u4e8e MySQL\u6570\u636e\u76ee\u5f55 \u4e2d\u3002\n\n# 1.2 \u65e5\u5fd7\u7684\u5f0a\u7aef\n# \u65e5\u5fd7\u529f\u80fd\u4f1a \u964d\u4f4eMySQL\u6570\u636e\u5e93\u7684\u6027\u80fd \u3002\n# \u65e5\u5fd7\u4f1a \u5360\u7528\u5927\u91cf\u7684\u78c1\u76d8\u7a7a\u95f4 \u3002\n\n# 2. \u6162\u67e5\u8be2\u65e5\u5fd7(slow query log)\n\n# 3. \u901a\u7528\u67e5\u8be2\u65e5\u5fd7(general query log)\n\n# \u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u7528\u6765 \u8bb0\u5f55\u7528\u6237\u7684\u6240\u6709\u64cd\u4f5c \uff0c\u5305\u62ec\u542f\u52a8\u548c\u5173\u95edMySQL\u670d\u52a1\u3001\u6240\u6709\u7528\u6237\u7684\u8fde\u63a5\u5f00\u59cb\u65f6\u95f4\u548c\u622a\u6b62\u65f6\u95f4\u3001\n# \u53d1\u7ed9 MySQL \u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u6240\u6709 SQL \u6307\u4ee4\u7b49\u3002\u5f53\u6211\u4eec\u7684\u6570\u636e\u53d1\u751f\u5f02\u5e38\u65f6\uff0c\u67e5\u770b\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\uff0c\n# \u8fd8\u539f\u64cd\u4f5c\u65f6\u7684\u5177\u4f53\u573a\u666f\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u51c6\u786e\u5b9a\u4f4d\u95ee\u9898\u3002\n\n# 3.2 \u67e5\u770b\u5f53\u524d\u72b6\u6001\n\nSHOW VARIABLES LIKE '%general%';\n\n# 3.3 \u542f\u52a8\u65e5\u5fd7\n# \u65b9\u5f0f1\uff1a\u6c38\u4e45\u6027\u65b9\u5f0f\n# \u4fee\u6539my.cnf\u6216\u8005my.ini\u914d\u7f6e\u6587\u4ef6\u6765\u8bbe\u7f6e\u3002\u5728[mysqld]\u7ec4\u4e0b\u52a0\u5165log\u9009\u9879\uff0c\u5e76\u91cd\u542fMySQL\u670d\u52a1\u3002\u683c\u5f0f\u5982\u4e0b\uff1a\n# [mysqld]\n# general_log=ON\n# general_log_file=[path[filename]] #\u65e5\u5fd7\u6587\u4ef6\u6240\u5728\u76ee\u5f55\u8def\u5f84\uff0cfilename\u4e3a\u65e5\u5fd7\u6587\u4ef6\u540d\n# \u5982\u679c\u4e0d\u6307\u5b9a\u76ee\u5f55\u548c\u6587\u4ef6\u540d\uff0c\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u5c06\u9ed8\u8ba4\u5b58\u50a8\u5728MySQL\u6570\u636e\u76ee\u5f55\u4e2d\u7684hostname.log\u6587\u4ef6\u4e2d\uff0chostname\u8868\u793a\u4e3b\u673a\u540d\u3002\n\n# \u65b9\u5f0f2\uff1a\u4e34\u65f6\u6027\u65b9\u5f0f\n# SET GLOBAL general_log=on; # \u5f00\u542f\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\n# SET GLOBAL general_log_file=\u2019path\/filename\u2019; # \u8bbe\u7f6e\u65e5\u5fd7\u6587\u4ef6\u4fdd\u5b58\u4f4d\u7f6e\n# \u5bf9\u5e94\u7684\uff0c\u5173\u95ed\u64cd\u4f5cSQL\u547d\u4ee4\u5982\u4e0b\uff1a\n# SET GLOBAL general_log=off; # \u5173\u95ed\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\n# \u67e5\u770b\u8bbe\u7f6e\u540e\u60c5\u51b5\uff1a\n# SHOW VARIABLES LIKE 'general_log%';\n\nSET GLOBAL general_log = ON;\n\n# 3.4 \u67e5\u770b\u65e5\u5fd7\n# \u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u662f\u4ee5 \u6587\u672c\u6587\u4ef6 \u7684\u5f62\u5f0f\u5b58\u50a8\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\uff0c\u53ef\u4ee5\u4f7f\u7528 \u6587\u672c\u7f16\u8f91\u5668 \u76f4\u63a5\u6253\u5f00\u65e5\u5fd7\u6587\u4ef6\u3002\n# \u6bcf\u53f0MySQL\u670d\u52a1\u5668\u7684\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u5185\u5bb9\u662f\u4e0d\u540c\u7684\u3002\n# \u5728Windows\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u4f7f\u7528\u6587\u672c\u6587\u4ef6\u67e5\u770b\u5668\uff1b\n# \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528vi\u5de5\u5177\u6216\u8005gedit\u5de5\u5177\u67e5\u770b\uff1b\n# \u5728Mac OSX\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u6587\u4ef6\u67e5\u770b\u5668\u6216\u8005vi\u7b49\u5de5\u5177\u67e5\u770b\u3002\n# \u4ece SHOW VARIABLES LIKE 'general_log%'; \u7ed3\u679c\u4e2d\u53ef\u4ee5\u770b\u5230\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u7684\u4f4d\u7f6e\u3002\n\nSHOW VARIABLES LIKE '%general%';\n\nUSE atguigudb3;\n\nSHOW TABLES;\n\nSELECT * FROM student;\n\nDELETE FROM student WHERE id = 20;\n\n# \u5728\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u91cc\u9762\uff0c\u6211\u4eec\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\uff0c\u4ec0\u4e48\u65f6\u5019\u5f00\u542f\u4e86\u65b0\u7684\u5ba2\u6237\u7aef\u767b\u9646\u6570\u636e\u5e93\uff0c\u767b\u5f55\u4e4b\u540e\u505a\u4e86\u4ec0\n# \u4e48 SQL \u64cd\u4f5c\uff0c\u9488\u5bf9\u7684\u662f\u54ea\u4e2a\u6570\u636e\u8868\u7b49\u4fe1\u606f\u3002\n\n# 3.5 \u505c\u6b62\u65e5\u5fd7\n# \u65b9\u5f0f1\uff1a\u6c38\u4e45\u6027\u65b9\u5f0f\n# \u4fee\u6539 my.cnf \u6216\u8005 my.ini \u6587\u4ef6\uff0c\u628a[mysqld]\u7ec4\u4e0b\u7684 general_log \u503c\u8bbe\u7f6e\u4e3a OFF \u6216\u8005\u628ageneral_log\u4e00\u9879\u6ce8\u91ca\u6389\u3002\n# \u4fee\u6539\u4fdd\u5b58\u540e\uff0c\u518d \u91cd\u542fMySQL\u670d\u52a1 \uff0c\u5373\u53ef\u751f\u6548\u3002 \u4e3e\u4f8b1\uff1a\n# [mysqld]\n# general_log=OFF\n# \u4e3e\u4f8b2\uff1a\n# [mysqld]\n#general_log=ON\n\n# \u65b9\u5f0f2\uff1a\u4e34\u65f6\u6027\u65b9\u5f0f\n# \u4f7f\u7528SET\u8bed\u53e5\u505c\u6b62MySQL\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u529f\u80fd\uff1a\n# SET GLOBAL general_log=off;\n# \u67e5\u8be2\u901a\u7528\u65e5\u5fd7\u529f\u80fd\uff1a\n# SHOW VARIABLES LIKE 'general_log%';\n\nSET GLOBAL general_log = OFF;\n\nSELECT * FROM student;\n\n# 3.6 \u5220\u9664\\\u5237\u65b0\u65e5\u5fd7\n# \u5982\u679c\u6570\u636e\u7684\u4f7f\u7528\u975e\u5e38\u9891\u7e41\uff0c\u90a3\u4e48\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u4f1a\u5360\u7528\u670d\u52a1\u5668\u975e\u5e38\u5927\u7684\u78c1\u76d8\u7a7a\u95f4\u3002\n# \u6570\u636e\u7ba1\u7406\u5458\u53ef\u4ee5\u5220\u9664\u5f88\u957f\u65f6\u95f4\u4e4b\u524d\u7684\u67e5\u8be2\u65e5\u5fd7\uff0c\u4ee5\u4fdd\u8bc1MySQL\u670d\u52a1\u5668\u4e0a\u7684\u786c\u76d8\u7a7a\u95f4\u3002\n\n# \u624b\u52a8\u5220\u9664\u6587\u4ef6\n# SHOW VARIABLES LIKE 'general_log%';\n\n# \u53ef\u4ee5\u770b\u51fa\uff0c\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\u7684\u76ee\u5f55\u9ed8\u8ba4\u4e3aMySQL\u6570\u636e\u76ee\u5f55\u3002\u5728\u8be5\u76ee\u5f55\u4e0b\u624b\u52a8\u5220\u9664\u901a\u7528\u67e5\u8be2\u65e5\u5fd7atguigu01.log\u3002\n\n# \u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u91cd\u65b0\u751f\u6210\u67e5\u8be2\u65e5\u5fd7\u6587\u4ef6\uff0c\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\u3002\u5237\u65b0MySQL\u6570\u636e\u76ee\u5f55\uff0c\u53d1\u73b0\u521b\u5efa\u4e86\u65b0\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\n# \u524d\u63d0\u4e00\u5b9a\u8981\u5f00\u542f\u901a\u7528\u65e5\u5fd7\u3002\n\n# mysqladmin -uroot -p flush-logs\n\n#Linux\u4e0b\u6267\u884c\n# mysqladmin -uroot -p flush-logs\n\n# 4. \u9519\u8bef\u65e5\u5fd7(error log)\n\n# 4.1 \u542f\u52a8\u65e5\u5fd7\n# \u5728MySQL\u6570\u636e\u5e93\u4e2d\uff0c\u9519\u8bef\u65e5\u5fd7\u529f\u80fd\u662f \u9ed8\u8ba4\u5f00\u542f \u7684\u3002\u800c\u4e14\uff0c\u9519\u8bef\u65e5\u5fd7 \u65e0\u6cd5\u88ab\u7981\u6b62 \u3002\n# \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u9519\u8bef\u65e5\u5fd7\u5b58\u50a8\u5728MySQL\u6570\u636e\u5e93\u7684\u6570\u636e\u6587\u4ef6\u5939\u4e0b\uff0c\n# \u540d\u79f0\u9ed8\u8ba4\u4e3a mysqld.log \uff08Linux\u7cfb\u7edf\uff09\u6216hostname.err \uff08mac\u7cfb\u7edf\uff09\u3002\n# \u5982\u679c\u9700\u8981\u5236\u5b9a\u6587\u4ef6\u540d\uff0c\u5219\u9700\u8981\u5728my.cnf\u6216\u8005my.ini\u4e2d\u505a\u5982\u4e0b\u914d\u7f6e\uff1a\n# [mysqld]\n# log-error=[path\/[filename]] #path\u4e3a\u65e5\u5fd7\u6587\u4ef6\u6240\u5728\u7684\u76ee\u5f55\u8def\u5f84\uff0cfilename\u4e3a\u65e5\u5fd7\u6587\u4ef6\u540d\n# \u4fee\u6539\u914d\u7f6e\u9879\u540e\uff0c\u9700\u8981\u91cd\u542fMySQL\u670d\u52a1\u4ee5\u751f\u6548\u3002\n\n# 4.2 \u67e5\u770b\u65e5\u5fd7\n# MySQL\u9519\u8bef\u65e5\u5fd7\u662f\u4ee5\u6587\u672c\u6587\u4ef6\u5f62\u5f0f\u5b58\u50a8\u7684\uff0c\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u76f4\u63a5\u67e5\u770b\u3002\n\nSHOW VARIABLES LIKE 'log_err%';\n\n# \u6267\u884c\u7ed3\u679c\u4e2d\u53ef\u4ee5\u770b\u5230\u9519\u8bef\u65e5\u5fd7\u6587\u4ef6\u662fmysqld.log\uff0c\u4f4d\u4e8eMySQL\u9ed8\u8ba4\u7684\u6570\u636e\u76ee\u5f55\u4e0b\u3002\n\n# 4.3 \u5220\u9664\\\u5237\u65b0\u65e5\u5fd7\n\n# \u5bf9\u4e8e\u5f88\u4e45\u4ee5\u524d\u7684\u9519\u8bef\u65e5\u5fd7\uff0c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u67e5\u770b\u8fd9\u4e9b\u9519\u8bef\u65e5\u5fd7\u7684\u53ef\u80fd\u6027\u4e0d\u5927\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u9519\u8bef\u65e5\u5fd7\u5220\u9664\uff0c\n# \u4ee5\u4fdd\u8bc1MySQL\u670d\u52a1\u5668\u4e0a\u7684 \u786c\u76d8\u7a7a\u95f4 \u3002MySQL\u7684\u9519\u8bef\u65e5\u5fd7\u662f\u4ee5\u6587\u672c\u6587\u4ef6\u7684\u5f62\u5f0f\u5b58\u50a8\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\uff0c\u53ef\u4ee5\n# \u76f4\u63a5\u5220\u9664 \u3002\n\n#Linux\u4e0b\u6267\u884c\n# mysqladmin -uroot -p flush-logs\n\n# [root@atguigu01 log]# mysqladmin -uroot -p flush-logs\n# Enter password:\n# mysqladmin: refresh failed; error: 'Could not open file '\/var\/log\/mysqld.log' for\n# error logging.'\n\n# \u8865\u5145\u64cd\u4f5c\uff1a\n# install -omysql -gmysql -m0644 \/dev\/null \/var\/log\/mysqld.log\n\n# 5. \u4e8c\u8fdb\u5236\u65e5\u5fd7(bin log)\n\n# binlog\u53ef\u4ee5\u8bf4\u662fMySQL\u4e2d\u6bd4\u8f83 \u91cd\u8981 \u7684\u65e5\u5fd7\u4e86\uff0c\u5728\u65e5\u5e38\u5f00\u53d1\u53ca\u8fd0\u7ef4\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u3002\n\n# binlog\u5373binary log\uff0c\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\uff0c\u4e5f\u53eb\u4f5c\u53d8\u66f4\u65e5\u5fd7\uff08update log\uff09\u3002\n# \u5b83\u8bb0\u5f55\u4e86\u6570\u636e\u5e93\u6240\u6709\u6267\u884c\u7684DDL \u548c DML \u7b49\u6570\u636e\u5e93\u66f4\u65b0\u4e8b\u4ef6\u7684\u8bed\u53e5\uff0c\n# \u4f46\u662f\u4e0d\u5305\u542b\u6ca1\u6709\u4fee\u6539\u4efb\u4f55\u6570\u636e\u7684\u8bed\u53e5\uff08\u5982\u6570\u636e\u67e5\u8be2\u8bed\u53e5select\u3001show\u7b49\uff09\u3002\n\n# binlog\u4e3b\u8981\u5e94\u7528\u573a\u666f\uff1a\n# \u4e00\u662f\u7528\u4e8e \u6570\u636e\u6062\u590d\n# \u4e8c\u662f\u7528\u4e8e \u6570\u636e\u590d\u5236\n\n# 5.1 \u67e5\u770b\u9ed8\u8ba4\u60c5\u51b5\n\n# \u67e5\u770b\u8bb0\u5f55\u4e8c\u8fdb\u5236\u65e5\u5fd7\u662f\u5426\u5f00\u542f\uff1a\u5728MySQL8\u4e2d\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4e8c\u8fdb\u5236\u6587\u4ef6\u662f\u5f00\u542f\u7684\u3002\n\nSHOW VARIABLES LIKE '%log_bin%';\n\n# 5.2 \u65e5\u5fd7\u53c2\u6570\u8bbe\u7f6e\n\n# \u65b9\u5f0f1\uff1a\u6c38\u4e45\u6027\u65b9\u5f0f\n\n# \u4fee\u6539MySQL\u7684 my.cnf \u6216 my.ini \u6587\u4ef6\u53ef\u4ee5\u8bbe\u7f6e\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u76f8\u5173\u53c2\u6570\uff1a\n\n# [mysqld]\n#\u542f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\n# log-bin=server2-bin\n# binlog_expire_logs_seconds=600\n# max_binlog_size=100M\n\n# \u91cd\u65b0\u542f\u52a8MySQL\u670d\u52a1\uff0c\u67e5\u8be2\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u4fe1\u606f\uff0c\u6267\u884c\u7ed3\u679c\uff1a\nSHOW VARIABLES LIKE '%log_bin%';\n\nSET SESSION sql_log_bin = 1;\n\nSHOW VARIABLES LIKE '%log_bin%';\n\n# \u8bbe\u7f6e\u5e26\u6587\u4ef6\u5939\u7684bin-log\u65e5\u5fd7\u5b58\u653e\u76ee\u5f55\n\n# \u5982\u679c\u60f3\u6539\u53d8\u65e5\u5fd7\u6587\u4ef6\u7684\u76ee\u5f55\u548c\u540d\u79f0\uff0c\u53ef\u4ee5\u5bf9my.cnf\u6216my.ini\u4e2d\u7684log_bin\u53c2\u6570\u4fee\u6539\u5982\u4e0b\uff1a\n# [mysqld]\n# log-bin=\"\/var\/lib\/mysql\/binlog\/atguigu-bin\"\n\n# \u6ce8\u610f\uff1a\u65b0\u5efa\u7684\u6587\u4ef6\u5939\u9700\u8981\u4f7f\u7528mysql\u7528\u6237\uff0c\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u5373\u53ef\u3002\n# chown -R -v mysql:mysql binlog\n\n# \u65b9\u5f0f2\uff1a\u4e34\u65f6\u6027\u65b9\u5f0f\n# \u5982\u679c\u4e0d\u5e0c\u671b\u901a\u8fc7\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u5e76\u91cd\u542f\u7684\u65b9\u5f0f\u8bbe\u7f6e\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u8bdd\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u6307\u4ee4\uff0c\n# \u9700\u8981\u6ce8\u610f\u7684\u662f\u5728mysql8\u4e2d\u53ea\u6709 \u4f1a\u8bdd\u7ea7\u522b \u7684\u8bbe\u7f6e\uff0c\u6ca1\u6709\u4e86global\u7ea7\u522b\u7684\u8bbe\u7f6e\u3002\n\n# global \u7ea7\u522b\n# mysql> set global sql_log_bin=0;\n# ERROR 1228 (HY000): Variable 'sql_log_bin' is a SESSION variable and can`t be used\n# with SET GLOBAL\n\n# session\u7ea7\u522b\n# mysql> SET sql_log_bin=0;\n# Query OK, 0 rows affected (0.01 \u79d2)\n\n# 5.3 \u67e5\u770b\u65e5\u5fd7\n\n# \u5f53MySQL\u521b\u5efa\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u65f6\uff0c\u5148\u521b\u5efa\u4e00\u4e2a\u4ee5\u201cfilename\u201d\u4e3a\u540d\u79f0\u3001\u4ee5\u201c.index\u201d\u4e3a\u540e\u7f00\u7684\u6587\u4ef6\uff0c\n# \u518d\u521b\u5efa\u4e00\u4e2a\u4ee5\u201cfilename\u201d\u4e3a\u540d\u79f0\u3001\u4ee5\u201c.000001\u201d\u4e3a\u540e\u7f00\u7684\u6587\u4ef6\u3002\n\n# MySQL\u670d\u52a1 \u91cd\u65b0\u542f\u52a8\u4e00\u6b21 \uff0c\u4ee5\u201c.000001\u201d\u4e3a\u540e\u7f00\u7684\u6587\u4ef6\u5c31\u4f1a\u589e\u52a0\u4e00\u4e2a\uff0c\u5e76\u4e14\u540e\u7f00\u540d\u63091\u9012\u589e\u3002\n# \u5373\u65e5\u5fd7\u6587\u4ef6\u7684\u4e2a\u6570\u4e0eMySQL\u670d\u52a1\u542f\u52a8\u7684\u6b21\u6570\u76f8\u540c\uff1b\u5982\u679c\u65e5\u5fd7\u957f\u5ea6\u8d85\u8fc7\u4e86 max_binlog_size \u7684\u4e0a\u9650\uff08\u9ed8\u8ba4\u662f1GB\uff09\uff0c\n# \u5c31\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\n\n# \u67e5\u770b\u5f53\u524d\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u5217\u8868\u53ca\u5927\u5c0f\u3002\u6307\u4ee4\u5982\u4e0b\uff1a\n\nSHOW BINARY LOGS;\n\n#\u5f00\u59cb\u67e5\u770bbinlog\n\nUSE atguigudb3;\n\nSELECT * FROM student;\n\nINSERT INTO student(id, name, class)\nVALUES (18,'Jerry','\u56db\u73ed');\n\nUPDATE student SET name = 'Tom1'\nWHERE id = 17;\n\nSHOW BINARY LOGS;\n\n# mysqlbinlog \"\/var\/lib\/mysql\/server2-bin.000002\"\n\n# \u4e0b\u9762\u547d\u4ee4\u5c06\u884c\u4e8b\u4ef6\u4ee5 \u4f2aSQL\u7684\u5f62\u5f0f \u8868\u73b0\u51fa\u6765\n\n# mysqlbinlog \"\/var\/lib\/mysql\/server2-bin.000002\"\n\n# \u524d\u9762\u7684\u547d\u4ee4\u540c\u65f6\u663e\u793abinlog\u683c\u5f0f\u7684\u8bed\u53e5\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u4e0d\u663e\u793a\u5b83\n\n# mysqlbinlog -v --base64-output=DECODE-ROWS \"\/var\/lib\/mysql\/server2-bin.000002\"\n\n# \u5173\u4e8emysqlbinlog\u5de5\u5177\u7684\u4f7f\u7528\u6280\u5de7\u8fd8\u6709\u5f88\u591a\uff0c\u4f8b\u5982\u53ea\u89e3\u6790\u5bf9\u67d0\u4e2a\u5e93\u7684\u64cd\u4f5c\u6216\u8005\u67d0\u4e2a\u65f6\u95f4\u6bb5\u5185\u7684\u64cd\u4f5c\u7b49\u3002\n# \u7b80\u5355\u5206\u4eab\u51e0\u4e2a\u5e38\u7528\u7684\u8bed\u53e5\uff0c\u66f4\u591a\u64cd\u4f5c\u53ef\u4ee5\u53c2\u8003\u5b98\u65b9\u6587\u6863\u3002\n\n# \u53ef\u67e5\u770b\u53c2\u6570\u5e2e\u52a9\n# mysqlbinlog --no-defaults --help\n\n# \u67e5\u770b\u6700\u540e100\u884c\n# mysqlbinlog --no-defaults --base64-output=decode-rows -vv atguigu-bin.000002 |tail -100\n\n# \u6839\u636eposition\u67e5\u627e\n# mysqlbinlog --no-defaults --base64-output=decode-rows -vv atguigu-bin.000002 |grep -A 20 '4939002'\n\n# \u4e0a\u9762\u8fd9\u79cd\u529e\u6cd5\u8bfb\u53d6\u51fabinlog\u65e5\u5fd7\u7684\u5168\u6587\u5185\u5bb9\u6bd4\u8f83\u591a\uff0c\u4e0d\u5bb9\u6613\u5206\u8fa8\u67e5\u770b\u5230pos\u70b9\u4fe1\u606f\uff0c\u4e0b\u9762\u4ecb\u7ecd\u4e00\u79cd\u66f4\u4e3a\u65b9\u4fbf\u7684\u67e5\u8be2\u547d\u4ee4\uff1a\n\n# mysql> show binlog events [IN 'log_name'] [FROM pos] [LIMIT [offset,] row_count];\n\n# IN 'log_name' \uff1a\u6307\u5b9a\u8981\u67e5\u8be2\u7684binlog\u6587\u4ef6\u540d\uff08\u4e0d\u6307\u5b9a\u5c31\u662f\u7b2c\u4e00\u4e2abinlog\u6587\u4ef6\uff09\u3000\n# FROM pos \uff1a\u6307\u5b9a\u4ece\u54ea\u4e2apos\u8d77\u59cb\u70b9\u5f00\u59cb\u67e5\u8d77\uff08\u4e0d\u6307\u5b9a\u5c31\u662f\u4ece\u6574\u4e2a\u6587\u4ef6\u9996\u4e2apos\u70b9\u5f00\u59cb\u7b97\uff09\n# LIMIT [offset] \uff1a\u504f\u79fb\u91cf(\u4e0d\u6307\u5b9a\u5c31\u662f0)\n# row_count :\u67e5\u8be2\u603b\u6761\u6570\uff08\u4e0d\u6307\u5b9a\u5c31\u662f\u6240\u6709\u884c\uff09\n\nSHOW BINLOG EVENTS IN 'server2-bin.000002';\n\nSHOW BINLOG EVENTS IN 'server2-bin.000002' FROM 468;\n\nSHOW BINLOG EVENTS IN 'server2-bin.000002' FROM 468 LIMIT 0,2;\n\nSHOW BINLOG EVENTS IN 'server2-bin.000002' FROM 468 LIMIT 1,3;\n\n# \u4e0a\u9762\u6211\u4eec\u8bb2\u4e86\u8fd9\u4e48\u591a\u90fd\u662f\u57fa\u4e8ebinlog\u7684\u9ed8\u8ba4\u683c\u5f0f\uff0cbinlog\u683c\u5f0f\u67e5\u770b\n\nSHOW VARIABLES LIKE 'binlog_format';\n\n# \u9664\u6b64\u4e4b\u5916\uff0cbinlog\u8fd8\u67092\u79cd\u683c\u5f0f\uff0c\u5206\u522b\u662fStatement\u548cMixed\n# Statement\n# \u6bcf\u4e00\u6761\u4f1a\u4fee\u6539\u6570\u636e\u7684sql\u90fd\u4f1a\u8bb0\u5f55\u5728binlog\u4e2d\u3002\n# \u4f18\u70b9\uff1a\u4e0d\u9700\u8981\u8bb0\u5f55\u6bcf\u4e00\u884c\u7684\u53d8\u5316\uff0c\u51cf\u5c11\u4e86binlog\u65e5\u5fd7\u91cf\uff0c\u8282\u7ea6\u4e86IO\uff0c\u63d0\u9ad8\u6027\u80fd\u3002\n\n# Row\n# 5.1.5\u7248\u672c\u7684MySQL\u624d\u5f00\u59cb\u652f\u6301row level \u7684\u590d\u5236\uff0c\u5b83\u4e0d\u8bb0\u5f55sql\u8bed\u53e5\u4e0a\u4e0b\u6587\u76f8\u5173\u4fe1\u606f\uff0c\u4ec5\u4fdd\u5b58\u54ea\u6761\u8bb0\u5f55\u88ab\u4fee\u6539\u3002\n# \u4f18\u70b9\uff1arow level \u7684\u65e5\u5fd7\u5185\u5bb9\u4f1a\u975e\u5e38\u6e05\u695a\u7684\u8bb0\u5f55\u4e0b\u6bcf\u4e00\u884c\u6570\u636e\u4fee\u6539\u7684\u7ec6\u8282\u3002\n# \u800c\u4e14\u4e0d\u4f1a\u51fa\u73b0\u67d0\u4e9b\u7279\u5b9a\u60c5\u51b5\u4e0b\u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u6216function\uff0c\u4ee5\u53catrigger\u7684\u8c03\u7528\u548c\u89e6\u53d1\u65e0\u6cd5\u88ab\u6b63\u786e\u590d\u5236\u7684\u95ee\u9898\u3002\n\n# Mixed\n# \u4ece5.1.8\u7248\u672c\u5f00\u59cb\uff0cMySQL\u63d0\u4f9b\u4e86Mixed\u683c\u5f0f\uff0c\u5b9e\u9645\u4e0a\u5c31\u662fStatement\u4e0eRow\u7684\u7ed3\u5408\u3002\n\n# 5.4 \u4f7f\u7528\u65e5\u5fd7\u6062\u590d\u6570\u636e\n# mysqlbinlog\u6062\u590d\u6570\u636e\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a\n# mysqlbinlog [option] filename|mysql \u2013uuser -ppass;\n\n# \u8fd9\u4e2a\u547d\u4ee4\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff1a\u4f7f\u7528mysqlbinlog\u547d\u4ee4\u6765\u8bfb\u53d6filename\u4e2d\u7684\u5185\u5bb9\uff0c\n# \u7136\u540e\u4f7f\u7528mysql\u547d\u4ee4\u5c06\u8fd9\u4e9b\u5185\u5bb9\u6062\u590d\u5230\u6570\u636e\u5e93\u4e2d\u3002\n\n# filename \uff1a\u662f\u65e5\u5fd7\u6587\u4ef6\u540d\u3002\n# option \uff1a\u53ef\u9009\u9879\uff0c\u6bd4\u8f83\u91cd\u8981\u7684\u4e24\u5bf9option\u53c2\u6570\u662f--start-date\u3001--stop-date \u548c --start-position\u3001\n# --stop-position\u3002\n#     --start-date \u548c --stop-date \uff1a\u53ef\u4ee5\u6307\u5b9a\u6062\u590d\u6570\u636e\u5e93\u7684\u8d77\u59cb\u65f6\u95f4\u70b9\u548c\u7ed3\u675f\u65f6\u95f4\u70b9\u3002\n#     --start-position\u548c--stop-position \uff1a\u53ef\u4ee5\u6307\u5b9a\u6062\u590d\u6570\u636e\u7684\u5f00\u59cb\u4f4d\u7f6e\u548c\u7ed3\u675f\u4f4d\u7f6e\u3002\n\n# \u6ce8\u610f\uff1a\u4f7f\u7528mysqlbinlog\u547d\u4ee4\u8fdb\u884c\u6062\u590d\u64cd\u4f5c\u65f6\uff0c\u5fc5\u987b\u662f\u7f16\u53f7\u5c0f\u7684\u5148\u6062\u590d\uff0c\n# \u4f8b\u5982atguigu-bin.000001\u5fc5\u987b\u5728atguigu-bin.000002\u4e4b\u524d\u6062\u590d\u3002\n\nSHOW VARIABLES LIKE '%log_bin%';\n\nSHOW BINARY LOGS;\n\nUSE atguigudb3;\n\nSELECT * FROM student;\n\nINSERT INTO student(id, name, class)\nVALUES (20,'aaa','No.1');\n\nINSERT INTO student(id, name, class)\nVALUES (21,'aaa','No.1');\n\nINSERT INTO student(id, name, class)\nVALUES (22,'aaa','No.1');\n\nSELECT * FROM student;\n\nDELETE FROM student\nWHERE id = 20;\n\nSELECT * FROM student;\n\nUPDATE student SET name = 'bbb'\nWHERE id = 21;\n\nSELECT * FROM student;\n\nDELETE FROM student\nWHERE id > 20;\n\nSELECT * FROM student;\n\nSHOW BINARY LOGS;\n\nFLUSH LOGS;\n\nSHOW BINARY LOGS;\n\nSHOW BINLOG EVENTS IN 'server2-bin.000002';\n\n#\u4f7f\u7528position\u6062\u590d\n\n#\u6062\u590d\u589e\u52a0\u7684\u6570\u636e\n# \/usr\/bin\/mysqlbinlog --start-position=884 --stop-position=1729 --database=atguigudb3 \/var\/lib\/mysql\/server2-bin.000002 | \/usr\/bin\/mysql -uroot -p123456 -v atguigudb3\n\nSELECT * FROM student;\n\n#\u6062\u590d\u5220\u9664\u7684\u6570\u636e\n# \/usr\/bin\/mysqlbinlog --start-position=1808 --stop-position=2037 --database=atguigudb3 \/var\/lib\/mysql\/server2-bin.000002 | \/usr\/bin\/mysql -uroot -p123456 -v atguigudb3\n\nSELECT * FROM student;\n\n#\u6062\u590d\u66f4\u6539\u7684\u6570\u636e\n# \/usr\/bin\/mysqlbinlog --start-position=2116 --stop-position=2369 --database=atguigudb3 \/var\/lib\/mysql\/server2-bin.000002 | \/usr\/bin\/mysql -uroot -p123456 -v atguigudb3\n\nSELECT * FROM student;\n\n#\u4f7f\u7528\u65e5\u671f\u6062\u590d\n\n# mysqlbinlog '\/var\/lib\/mysql\/server2-bin.000002';\n\n# 5.5 \u5220\u9664\u4e8c\u8fdb\u5236\u65e5\u5fd7\n\n# MySQL\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u53ef\u4ee5\u914d\u7f6e\u81ea\u52a8\u5220\u9664\uff0c\u540c\u65f6MySQL\u4e5f\u63d0\u4f9b\u4e86\u5b89\u5168\u7684\u624b\u52a8\u5220\u9664\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u65b9\u6cd5\u3002\n# PURGE MASTER LOGS \u53ea\u5220\u9664\u6307\u5b9a\u90e8\u5206\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\uff0c RESET MASTER \u5220\u9664\u6240\u6709\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u3002\u5177\u4f53\u5982\u4e0b\uff1a\n\n# 1. PURGE MASTER LOGS\uff1a\u5220\u9664\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6\n\n# PURGE MASTER LOGS\u8bed\u6cd5\u5982\u4e0b\uff1a\n# PURGE {MASTER | BINARY} LOGS TO \u2018\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6\u540d\u2019\n# PURGE {MASTER | BINARY} LOGS BEFORE \u2018\u6307\u5b9a\u65e5\u671f\u2019\n\nSHOW BINARY LOGS;\n\nFLUSH LOGS;\n\nFLUSH LOGS;\n\nFLUSH LOGS;\n\nFLUSH LOGS;\n\nSHOW BINARY LOGS;\n\nPURGE MASTER LOGS TO 'server2-bin.000003';\n\nPURGE MASTER LOGS BEFORE '20220105';\n\n# 2. RESET MASTER\uff1a\u5220\u9664\u6240\u6709\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\n\nRESET MASTER;\n\nSHOW BINARY LOGS;\n\n# 5.6 \u5176\u5b83\u573a\u666f\n\n# \u4e8c\u8fdb\u5236\u65e5\u5fd7\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u5e93\u7684 \u5168\u91cf\u5907\u4efd \u548c\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e2d\u4fdd\u5b58\u7684 \u589e\u91cf\u4fe1\u606f \uff0c\u5b8c\u6210\u6570\u636e\u5e93\u7684 \u65e0\u635f\u5931\u6062\u590d \u3002\n# \u4f46\u662f\uff0c\u5982\u679c\u9047\u5230\u6570\u636e\u91cf\u5927\u3001\u6570\u636e\u5e93\u548c\u6570\u636e\u8868\u5f88\u591a\uff08\u6bd4\u5982\u5206\u5e93\u5206\u8868\u7684\u5e94\u7528\uff09\u7684\u573a\u666f\uff0c\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8fdb\u884c\u6570\u636e\u6062\u590d\uff0c\n# \u662f\u5f88\u6709\u6311\u6218\u6027\u7684\uff0c\u56e0\u4e3a\u8d77\u6b62\u4f4d\u7f6e\u4e0d\u5bb9\u6613\u7ba1\u7406\u3002\n\n# \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2a\u6709\u6548\u7684\u89e3\u51b3\u529e\u6cd5\u662f \u914d\u7f6e\u4e3b\u4ece\u6570\u636e\u5e93\u670d\u52a1\u5668 \uff0c\u751a\u81f3\u662f \u4e00\u4e3b\u591a\u4ece \u7684\u67b6\u6784\uff0c\n# \u628a\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u7684\u5185\u5bb9\u901a\u8fc7\u4e2d\u7ee7\u65e5\u5fd7\uff0c\u540c\u6b65\u5230\u4ece\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e2d\uff0c\n# \u8fd9\u6837\u5c31\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6570\u636e\u5e93\u6545\u969c\u5bfc\u81f4\u7684\u6570\u636e\u5f02\u5e38\u7b49\u95ee\u9898\u3002\n\n# 6. \u518d\u8c08\u4e8c\u8fdb\u5236\u65e5\u5fd7(binlog)\n\n# 6.1 \u5199\u5165\u673a\u5236\n# binlog\u7684\u5199\u5165\u65f6\u673a\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5148\u628a\u65e5\u5fd7\u5199\u5230 binlog cache \uff0c\u4e8b\u52a1\u63d0\u4ea4\u7684\u65f6\u5019\uff0c\n# \u518d\u628abinlog cache\u5199\u5230binlog\u6587\u4ef6\u4e2d\u3002\u56e0\u4e3a\u4e00\u4e2a\u4e8b\u52a1\u7684binlog\u4e0d\u80fd\u88ab\u62c6\u5f00\uff0c\u65e0\u8bba\u8fd9\u4e2a\u4e8b\u52a1\u591a\u5927\uff0c\n# \u4e5f\u8981\u786e\u4fdd\u4e00\u6b21\u6027\u5199\u5165\uff0c\u6240\u4ee5\u7cfb\u7edf\u4f1a\u7ed9\u6bcf\u4e2a\u7ebf\u7a0b\u5206\u914d\u4e00\u4e2a\u5757\u5185\u5b58\u4f5c\u4e3abinlog cache\u3002\n\n# write\u548cfsync\u7684\u65f6\u673a\uff0c\u53ef\u4ee5\u7531\u53c2\u6570 sync_binlog \u63a7\u5236\uff0c\u9ed8\u8ba4\u662f 0 \u3002\u4e3a0\u7684\u65f6\u5019\uff0c\u8868\u793a\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u90fd\u53eawrite\uff0c\n# \u7531\u7cfb\u7edf\u81ea\u884c\u5224\u65ad\u4ec0\u4e48\u65f6\u5019\u6267\u884cfsync\u3002\u867d\u7136\u6027\u80fd\u5f97\u5230\u63d0\u5347\uff0c\u4f46\u662f\u673a\u5668\u5b95\u673a\uff0cpage cache\u91cc\u9762\u7684binglog \u4f1a\u4e22\u5931\u3002\n\n# \u4e3a\u4e86\u5b89\u5168\u8d77\u89c1\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a 1 \uff0c\u8868\u793a\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u90fd\u4f1a\u6267\u884cfsync\uff0c\u5c31\u5982\u540credo log \u5237\u76d8\u6d41\u7a0b\u4e00\u6837\u3002\n# \u6700\u540e\u8fd8\u6709\u4e00\u79cd\u6298\u4e2d\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3aN(N>1)\uff0c\u8868\u793a\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u90fdwrite\uff0c\u4f46\u7d2f\u79efN\u4e2a\u4e8b\u52a1\u540e\u624dfsync\u3002\n\n# \u5728\u51fa\u73b0IO\u74f6\u9888\u7684\u573a\u666f\u91cc\uff0c\u5c06sync_binlog\u8bbe\u7f6e\u6210\u4e00\u4e2a\u6bd4\u8f83\u5927\u7684\u503c\uff0c\u53ef\u4ee5\u63d0\u5347\u6027\u80fd\u3002\u540c\u6837\u7684\uff0c\u5982\u679c\u673a\u5668\u5b95\u673a\uff0c\n# \u4f1a\u4e22\u5931\u6700\u8fd1N\u4e2a\u4e8b\u52a1\u7684binlog\u65e5\u5fd7\u3002\n\n# 6.2 binlog\u4e0eredolog\u5bf9\u6bd4\n# redo log \u5b83\u662f \u7269\u7406\u65e5\u5fd7 \uff0c\u8bb0\u5f55\u5185\u5bb9\u662f\u201c\u5728\u67d0\u4e2a\u6570\u636e\u9875\u4e0a\u505a\u4e86\u4ec0\u4e48\u4fee\u6539\u201d\uff0c\u5c5e\u4e8e InnoDB \u5b58\u50a8\u5f15\u64ce\u5c42\u4ea7\u751f\u7684\u3002\n\n# \u800c binlog \u662f \u903b\u8f91\u65e5\u5fd7 \uff0c\u8bb0\u5f55\u5185\u5bb9\u662f\u8bed\u53e5\u7684\u539f\u59cb\u903b\u8f91\uff0c\u7c7b\u4f3c\u4e8e\u201c\u7ed9 ID=2 \u8fd9\u4e00\u884c\u7684 c \u5b57\u6bb5\u52a0 1\u201d\uff0c\n# \u5c5e\u4e8eMySQL Server \u5c42\u3002\n\n# 6.3 \u4e24\u9636\u6bb5\u63d0\u4ea4\n# \u5728\u6267\u884c\u66f4\u65b0\u8bed\u53e5\u8fc7\u7a0b\uff0c\u4f1a\u8bb0\u5f55redo log\u4e0ebinlog\u4e24\u5757\u65e5\u5fd7\uff0c\u4ee5\u57fa\u672c\u7684\u4e8b\u52a1\u4e3a\u5355\u4f4d\uff0c\n# redo log\u5728\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u4e0d\u65ad\u5199\u5165\uff0c\u800cbinlog\u53ea\u6709\u5728\u63d0\u4ea4\u4e8b\u52a1\u65f6\u624d\u5199\u5165\uff0c\n# \u6240\u4ee5redo log\u4e0ebinlog\u7684 \u5199\u5165\u65f6\u673a \u4e0d\u4e00\u6837\u3002\n\n# 7. \u4e2d\u7ee7\u65e5\u5fd7(relay log)\n\n# 7.1 \u4ecb\u7ecd\n# \u4e2d\u7ee7\u65e5\u5fd7\u53ea\u5728\u4e3b\u4ece\u670d\u52a1\u5668\u67b6\u6784\u7684\u4ece\u670d\u52a1\u5668\u4e0a\u5b58\u5728\u3002\u4ece\u670d\u52a1\u5668\u4e3a\u4e86\u4e0e\u4e3b\u670d\u52a1\u5668\u4fdd\u6301\u4e00\u81f4\uff0c\n# \u8981\u4ece\u4e3b\u670d\u52a1\u5668\u8bfb\u53d6\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u5185\u5bb9\uff0c\u5e76\u4e14\u628a\u8bfb\u53d6\u5230\u7684\u4fe1\u606f\u5199\u5165 \u672c\u5730\u7684\u65e5\u5fd7\u6587\u4ef6 \u4e2d\uff0c\n# \u8fd9\u4e2a\u4ece\u670d\u52a1\u5668\u672c\u5730\u7684\u65e5\u5fd7\u6587\u4ef6\u5c31\u53eb\u4e2d\u7ee7\u65e5\u5fd7 \u3002\u7136\u540e\uff0c\u4ece\u670d\u52a1\u5668\u8bfb\u53d6\u4e2d\u7ee7\u65e5\u5fd7\uff0c\n# \u5e76\u6839\u636e\u4e2d\u7ee7\u65e5\u5fd7\u7684\u5185\u5bb9\u5bf9\u4ece\u670d\u52a1\u5668\u7684\u6570\u636e\u8fdb\u884c\u66f4\u65b0\uff0c\u5b8c\u6210\u4e3b\u4ece\u670d\u52a1\u5668\u7684 \u6570\u636e\u540c\u6b65 \u3002\n\n# \u642d\u5efa\u597d\u4e3b\u4ece\u670d\u52a1\u5668\u4e4b\u540e\uff0c\u4e2d\u7ee7\u65e5\u5fd7\u9ed8\u8ba4\u4f1a\u4fdd\u5b58\u5728\u4ece\u670d\u52a1\u5668\u7684\u6570\u636e\u76ee\u5f55\u4e0b\u3002\n\n# \u6587\u4ef6\u540d\u7684\u683c\u5f0f\u662f\uff1a \u4ece\u670d\u52a1\u5668\u540d -relay-bin.\u5e8f\u53f7 \u3002\u4e2d\u7ee7\u65e5\u5fd7\u8fd8\u6709\u4e00\u4e2a\u7d22\u5f15\u6587\u4ef6\uff1a \u4ece\u670d\u52a1\u5668\u540d -relay-bin.index \uff0c\n# \u7528\u6765\u5b9a\u4f4d\u5f53\u524d\u6b63\u5728\u4f7f\u7528\u7684\u4e2d\u7ee7\u65e5\u5fd7\u3002\n\n# 7.2 \u67e5\u770b\u4e2d\u7ee7\u65e5\u5fd7\n# \u4e2d\u7ee7\u65e5\u5fd7\u4e0e\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u683c\u5f0f\u76f8\u540c\uff0c\u53ef\u4ee5\u7528 mysqlbinlog \u5de5\u5177\u8fdb\u884c\u67e5\u770b\u3002\n\n# 7.3 \u6062\u590d\u7684\u5178\u578b\u9519\u8bef\n# \u5982\u679c\u4ece\u670d\u52a1\u5668\u5b95\u673a\uff0c\u6709\u7684\u65f6\u5019\u4e3a\u4e86\u7cfb\u7edf\u6062\u590d\uff0c\u8981\u91cd\u88c5\u64cd\u4f5c\u7cfb\u7edf\uff0c\u8fd9\u6837\u5c31\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4f60\u7684 \u670d\u52a1\u5668\u540d\u79f0 \u4e0e\u4e4b\u524d \u4e0d\u540c \u3002\n# \u800c\u4e2d\u7ee7\u65e5\u5fd7\u91cc\u662f \u5305\u542b\u4ece\u670d\u52a1\u5668\u540d \u7684\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c31\u53ef\u80fd\u5bfc\u81f4\u4f60\u6062\u590d\u4ece\u670d\u52a1\u5668\u7684\u65f6\u5019\uff0c\n# \u65e0\u6cd5\u4ece\u5b95\u673a\u524d\u7684\u4e2d\u7ee7\u65e5\u5fd7\u91cc\u8bfb\u53d6\u6570\u636e\uff0c\u4ee5\u4e3a\u662f\u65e5\u5fd7\u6587\u4ef6\u635f\u574f\u4e86\uff0c\u5176\u5b9e\u662f\u540d\u79f0\u4e0d\u5bf9\u4e86\u3002\n\n# \u89e3\u51b3\u7684\u65b9\u6cd5\u4e5f\u5f88\u7b80\u5355\uff0c\u628a\u4ece\u670d\u52a1\u5668\u7684\u540d\u79f0\u6539\u56de\u4e4b\u524d\u7684\u540d\u79f0\u3002\n\n\n<\/code><\/pre>\n\n\n\n
6. \u518d\u8c08\u4e8c\u8fdb\u5236\u65e5\u5fd7(binlog)<\/h3>\n\n\n\n
6.1 \u5199\u5165\u673a\u5236<\/h4>\n\n\n\n
binlog\u7684\u5199\u5165\u65f6\u673a\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5148\u628a\u65e5\u5fd7\u5199\u5230 binlog cache \uff0c\u4e8b\u52a1\u63d0\u4ea4\u7684\u65f6\u5019\uff0c\u518d
\u628abinlog cache\u5199\u5230binlog\u6587\u4ef6\u4e2d\u3002\u56e0\u4e3a\u4e00\u4e2a\u4e8b\u52a1\u7684binlog\u4e0d\u80fd\u88ab\u62c6\u5f00\uff0c\u65e0\u8bba\u8fd9\u4e2a\u4e8b\u52a1\u591a\u5927\uff0c\u4e5f\u8981\u786e\u4fdd\u4e00
\u6b21\u6027\u5199\u5165\uff0c\u6240\u4ee5\u7cfb\u7edf\u4f1a\u7ed9\u6bcf\u4e2a\u7ebf\u7a0b\u5206\u914d\u4e00\u4e2a\u5757\u5185\u5b58\u4f5c\u4e3abinlog cache\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
write\u548cfsync\u7684\u65f6\u673a\uff0c\u53ef\u4ee5\u7531\u53c2\u6570 sync_binlog \u63a7\u5236\uff0c\u9ed8\u8ba4\u662f 0 \u3002\u4e3a0\u7684\u65f6\u5019\uff0c\u8868\u793a\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u90fd\u53ea
write\uff0c\u7531\u7cfb\u7edf\u81ea\u884c\u5224\u65ad\u4ec0\u4e48\u65f6\u5019\u6267\u884cfsync\u3002\u867d\u7136\u6027\u80fd\u5f97\u5230\u63d0\u5347\uff0c\u4f46\u662f\u673a\u5668\u5b95\u673a\uff0cpage cache\u91cc\u9762\u7684
binglog \u4f1a\u4e22\u5931\u3002\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4e3a\u4e86\u5b89\u5168\u8d77\u89c1\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a 1 \uff0c\u8868\u793a\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u90fd\u4f1a\u6267\u884cfsync\uff0c\u5c31\u5982\u540credo log \u5237\u76d8\u6d41\u7a0b\u4e00\u6837\u3002
\u6700\u540e\u8fd8\u6709\u4e00\u79cd\u6298\u4e2d\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3aN(N>1)\uff0c\u8868\u793a\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u90fdwrite\uff0c\u4f46\u7d2f\u79efN\u4e2a\u4e8b\u52a1\u540e\u624dfsync\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5728\u51fa\u73b0IO\u74f6\u9888\u7684\u573a\u666f\u91cc\uff0c\u5c06sync_binlog\u8bbe\u7f6e\u6210\u4e00\u4e2a\u6bd4\u8f83\u5927\u7684\u503c\uff0c\u53ef\u4ee5\u63d0\u5347\u6027\u80fd\u3002\u540c\u6837\u7684\uff0c\u5982\u679c\u673a\u5668\u5b95
\u673a\uff0c\u4f1a\u4e22\u5931\u6700\u8fd1N\u4e2a\u4e8b\u52a1\u7684binlog\u65e5\u5fd7\u3002<\/p>\n\n\n\n
6.2 binlog\u4e0eredolog\u5bf9\u6bd4<\/h4>\n\n\n\n
redo log \u5b83\u662f \u7269\u7406\u65e5\u5fd7 \uff0c\u8bb0\u5f55\u5185\u5bb9\u662f\u201c\u5728\u67d0\u4e2a\u6570\u636e\u9875\u4e0a\u505a\u4e86\u4ec0\u4e48\u4fee\u6539\u201d\uff0c\u5c5e\u4e8e InnoDB \u5b58\u50a8\u5f15\u64ce\u5c42\u4ea7\u751f
\u7684\u3002
\u800c binlog \u662f \u903b\u8f91\u65e5\u5fd7 \uff0c\u8bb0\u5f55\u5185\u5bb9\u662f\u8bed\u53e5\u7684\u539f\u59cb\u903b\u8f91\uff0c\u7c7b\u4f3c\u4e8e\u201c\u7ed9 ID=2 \u8fd9\u4e00\u884c\u7684 c \u5b57\u6bb5\u52a0 1\u201d\uff0c\u5c5e\u4e8e
MySQL Server \u5c42\u3002<\/p>\n\n\n\n
6.3 \u4e24\u9636\u6bb5\u63d0\u4ea4<\/h4>\n\n\n\n
\u5728\u6267\u884c\u66f4\u65b0\u8bed\u53e5\u8fc7\u7a0b\uff0c\u4f1a\u8bb0\u5f55redo log\u4e0ebinlog\u4e24\u5757\u65e5\u5fd7\uff0c\u4ee5\u57fa\u672c\u7684\u4e8b\u52a1\u4e3a\u5355\u4f4d\uff0credo log\u5728\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b
\u4e2d\u53ef\u4ee5\u4e0d\u65ad\u5199\u5165\uff0c\u800cbinlog\u53ea\u6709\u5728\u63d0\u4ea4\u4e8b\u52a1\u65f6\u624d\u5199\u5165\uff0c\u6240\u4ee5redo log\u4e0ebinlog\u7684 \u5199\u5165\u65f6\u673a \u4e0d\u4e00\u6837\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
redo log\u4e0ebinlog\u4e24\u4efd\u65e5\u5fd7\u4e4b\u95f4\u7684\u903b\u8f91\u4e0d\u4e00\u81f4\uff0c\u4f1a\u51fa\u73b0\u4ec0\u4e48\u95ee\u9898\uff1f<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u7531\u4e8ebinlog\u6ca1\u5199\u5b8c\u5c31\u5f02\u5e38\uff0c\u8fd9\u65f6\u5019binlog\u91cc\u9762\u6ca1\u6709\u5bf9\u5e94\u7684\u4fee\u6539\u8bb0\u5f55\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4e3a\u4e86\u89e3\u51b3\u4e24\u4efd\u65e5\u5fd7\u4e4b\u95f4\u7684\u903b\u8f91\u4e00\u81f4\u95ee\u9898\uff0cInnoDB\u5b58\u50a8\u5f15\u64ce\u4f7f\u7528\u4e24\u9636\u6bb5\u63d0\u4ea4\u65b9\u6848\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4f7f\u7528\u4e24\u9636\u6bb5\u63d0\u4ea4\u540e\uff0c\u5199\u5165binlog\u65f6\u53d1\u751f\u5f02\u5e38\u4e5f\u4e0d\u4f1a\u6709\u5f71\u54cd<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53e6\u4e00\u4e2a\u573a\u666f\uff0credo log\u8bbe\u7f6ecommit\u9636\u6bb5\u53d1\u751f\u5f02\u5e38\uff0c\u90a3\u4f1a\u4e0d\u4f1a\u56de\u6eda\u4e8b\u52a1\u5462\uff1f<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5e76\u4e0d\u4f1a\u56de\u6eda\u4e8b\u52a1\uff0c\u5b83\u4f1a\u6267\u884c\u4e0a\u56fe\u6846\u4f4f\u7684\u903b\u8f91\uff0c\u867d\u7136redo log\u662f\u5904\u4e8eprepare\u9636\u6bb5\uff0c\u4f46\u662f\u80fd\u901a\u8fc7\u4e8b\u52a1id\u627e\u5230\u5bf9
\u5e94\u7684binlog\u65e5\u5fd7\uff0c\u6240\u4ee5MySQL\u8ba4\u4e3a\u662f\u5b8c\u6574\u7684\uff0c\u5c31\u4f1a\u63d0\u4ea4\u4e8b\u52a1\u6062\u590d\u6570\u636e\u3002<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
6. \u518d\u8c08\u4e8c\u8fdb\u5236\u65e5\u5fd7(binlog) 6.1 \u5199\u5165\u673a\u5236 binlog\u7684\u5199\u5165\u65f6\u673a\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5148\u628a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[47],"class_list":["post-1702","post","type-post","status-publish","format-standard","hentry","category-mysql-code","tag-mysql"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1702"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1702"}],"version-history":[{"count":3,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1702\/revisions"}],"predecessor-version":[{"id":1858,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1702\/revisions\/1858"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}