{"id":529,"date":"2021-07-28T20:40:52","date_gmt":"2021-07-28T12:40:52","guid":{"rendered":"https:\/\/egonlin.com\/?p=529"},"modified":"2021-07-30T10:33:53","modified_gmt":"2021-07-30T02:33:53","slug":"529","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=529","title":{"rendered":"MySQL \u65e5\u5fd7\u7ba1\u7406"},"content":{"rendered":"

MySQL \u65e5\u5fd7\u7ba1\u7406<\/h1>\n

\u4e00 \u65e5\u5fd7\u5206\u7c7b<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
\u65e5\u5fd7\u79cd\u7c7b<\/th>\n\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n
\u9519\u8bef\u65e5\u5fd7<\/td>\n\u8bb0\u5f55 MySQL \u670d\u52a1\u5668\u542f\u52a8\u3001\u5173\u95ed\u53ca\u8fd0\u884c\u9519\u8bef\u7b49\u4fe1\u606f<\/td>\n<\/tr>\n
\u4e8b\u52a1\u65e5\u5fd7<\/td>\n1\u3001redo log\u91cd\u505a\u65e5\u5fd7
2\u3001undo log\u56de\u6eda\u65e5\u5fd7<\/td>\n<\/tr>\n
\u67e5\u8be2\u65e5\u5fd7<\/td>\n\u8bb0\u5f55\u6240\u6709\u7684sql<\/td>\n<\/tr>\n
\u6162\u67e5\u8be2\u65e5\u5fd7<\/td>\n\u8bb0\u5f55\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u6307\u5b9a\u65f6\u95f4\u7684\u64cd\u4f5c\uff0c\u5982\u679c\u662f\u5168\u8868\u67e5\u8be2\uff0c\u5373\u4fbf\u6ca1\u6709\u8d85\u65f6\u4e5f\u4f1a\u88ab\u8bb0\u5f55\u4e0b\u6765<\/td>\n<\/tr>\n
\u4e8c\u8fdb\u5236\u65e5\u5fd7<\/td>\n\u53c8\u79f0binlog\u65e5\u5fd7\uff0c\u4ee5\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u65b9\u5f0f\u8bb0\u5f55\u6570\u636e\u5e93\u4e2d\u9664 SELECT \u4ee5\u5916\u7684\u64cd\u4f5c\u3002\u5373\u53ea\u8bb0\u5f55\u5199\u64cd\u4f5c\u4e0d\u8bb0\u5f55\u8bfb\u64cd\u4f5c<\/td>\n<\/tr>\n
\u4e2d\u7ee7\u65e5\u5fd7<\/td>\n\u5907\u5e93\u5c06\u4e3b\u5e93\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u590d\u5236\u5230\u81ea\u5df1\u7684\u4e2d\u7ee7\u65e5\u5fd7\u4e2d\uff0c\u4ece\u800c\u5728\u672c\u5730\u8fdb\u884c\u91cd\u653e<\/td>\n<\/tr>\n
\u901a\u7528\u65e5\u5fd7<\/td>\n\u5ba1\u8ba1\u54ea\u4e2a\u8d26\u53f7\u3001\u5728\u54ea\u4e2a\u65f6\u6bb5\u3001\u505a\u4e86\u54ea\u4e9b\u4e8b\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e8c \u9519\u8bef\u65e5\u5fd7<\/h2>\n

\u9519\u8bef\u65e5\u5fd7\u4f7f\u7528log_error\u4ee5\u53calog_warnings\u7b49\u53c2\u6570\u8fdb\u884c\u5b9a\u4e49<\/p>\n

\u9996\u6b21\u542f\u52a8\u4f1a\u63d0\u793a\u9519\u8bef\u65e5\u5fd7\u4f4d\u7f6e\uff0c\u540e\u671f\u67e5\u8be2\u9519\u8bef\u65e5\u5fd7\u5b58\u653e\u8def\u5f84\u7684\u547d\u4ee4\u5982\u4e0b<\/p>\n

[root@db01 ~]# mysqladmin -uroot -pEgon@123 variables | grep -w log_error\n\n\u6216\u8005\n[root@db01t ~]# mysql -uroot -pEgon@123\nmysql> show variables like '%log_error%';<\/code><\/pre>\n
log_error\u53d8\u91cf\u7528\u4e8e\u8bbe\u7f6e\u9519\u8bef\u65e5\u5fd7\u7684\u5b58\u653e\u4f4d\u7f6e\uff08\u9ed8\u8ba4\u5c31\u662f\u542f\u7528\u7684\uff09<\/p>\n
[root@localhost ~]# vim \/etc\/my.cnf\n[mysqld]\n#\u7edd\u5bf9\u8def\u5f84\nlog_error=\/var\/log\/mysql.errlog\n#\u76f8\u5bf9\u8def\u5f84\n#log_error=mysql.errlog\n\n[root@localhost ~]# touch \/var\/log\/mysql.errlog\n[root@localhost ~]# chmod 640 \/var\/log\/mysql.errlog \n[root@localhost ~]# chown mysql.mysql \/var\/log\/mysql.errlog \n[root@localhost ~]# systemctl restart mysqld<\/code><\/pre>\n
log_warnings\u7528\u4e8e\u6807\u8bc6\u8b66\u544a\u4fe1\u606f\u662f\u5426\u4e00\u5e76\u8bb0\u5f55\u5230\u9519\u8bef\u65e5\u5fd7\u4e2d<\/strong><\/p>\n
\u5728MySQL 5.6\u4e2d\u7528log_warnings\u53c2\u6570<\/p>\n
log_warnings\u7684\u503c\u4e3a0\uff0c\u8868\u793a\u4e0d\u8bb0\u5f55\u8b66\u544a\u4fe1\u606f\u3002\nlog_warnings\u7684\u503c\u4e3a1\uff0c\u8868\u793a\u8b66\u544a\u4fe1\u606f\u4e00\u5e76\u8bb0\u5f55\u5230\u9519\u8bef\u65e5\u5fd7\u4e2d\u3002\nlog_warnings\u7684\u503c\u5927\u4e8e1\uff0c\u8868\u793a"\u5931\u8d25\u7684\u8fde\u63a5"\u7684\u4fe1\u606f\u548c\u521b\u5efa\u65b0\u8fde\u63a5\u65f6"\u62d2\u7edd\u8bbf\u95ee"\u7c7b\u7684\u9519\u8bef\u4fe1\u606f\u4e5f\u4f1a\u88ab\u8bb0\u5f55\u5230\u9519\u8bef\u65e5\u5fd7\u4e2d\u3002\n\nmysql5.5\u4e2dlog_warnings\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u4e3a1\nmysql5.7\u4e2dlog_warnings\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u4e3a2\nmysql> show variables like "%log_warnings%";<\/code><\/pre>\n
mysql5.7\u65b0\u589e\u7684log_error_verbosity\u53c2\u6570<\/p>\n
# \u5b83\u6709\u4e09\u4e2a\u53ef\u9009\u503c\uff0c \u5206\u522b\u5bf9\u5e94\uff1a\n# log_error_verbosity=1\uff1a\u9519\u8bef\u4fe1\u606f\uff1b\n# log_error_verbosity=2\uff1a\u9519\u8bef\u4fe1\u606f\u548c\u544a\u8b66\u4fe1\u606f\uff1b(\u63a8\u8350)\n# log_error_verbosity=3\uff08\u9ed8\u8ba4\u503c\u5c31\u662f3\uff09\uff1a\u9519\u8bef\u4fe1\u606f\u3001\u544a\u8b66\u4fe1\u606f\u548c\u901a\u77e5\u4fe1\u606f\u3002<\/code><\/pre>\n
\u4e09 \u4e8b\u52a1\u7684\u65e5\u5fd7<\/h2>\n
redo\u4e0eundo\u8be6\u89c1\u300aday10 MySQL\u4e8b\u52a1\u4e2d\u7684redo\u4e0eundo\u300b<\/p>\n
\u56db \u4e00\u822c\u67e5\u8be2\u65e5\u5fd7<\/h2>\n
1.\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\n\u4e00\u822c\u4e0d\u4f1a\u5f00\u542f\uff0c\u56e0\u4e3a\u54ea\u6015\u4f60\u5f00\u542f\u4e8b\u52a1\u4e00\u987f\u64cd\u4f5c\uff0c\u6700\u540e\u4e0d\u63d0\u4ea4\u4e5f\u4f1a\u8bb0\u5f55\uff0c\u751f\u4ea7\u4e0a\u7a0b\u5e8f\u8dd1sql\u5f88\u591a\uff0c\u4f1a\u975e\u5e38\u975e\u5e38\u5360\u5730\u65b9\uff0c\u4ece\u6765\u90fd\u4e0d\u542f\u52a8\uff0c\u8981\u770b\u64cd\u4f5c\u53bbbinlog\n\n2.\u5f00\u542f\n[root@db01 ~]# vim \/etc\/my.cnf\ngeneral_log=on\ngeneral_log_file=\/var\/log\/select.log\n#\u53ef\u4ee5\u4f7f\u7528set global general_log=on;\u8bbe\u7f6e\n\n[root@localhost ~]# touch \/var\/log\/select.log\n[root@localhost ~]# chmod 640 \/var\/log\/select.log\n[root@localhost ~]# chown mysql.mysql \/var\/log\/select.log\n[root@localhost ~]# systemctl restart mysqld\n3.\u67e5\u770b\u4e00\u822c\u67e5\u8be2\u65e5\u5fd7\n[root@db01 ~]# mysqladmin -uroot -pEgon@123 variables|grep general_log\n\n\u6216\u8005\n[root@db01 ~]# mysql -uroot -pEgon@123\nmysql> show variables like '%gen%';<\/code><\/pre>\n
\u4e94 \u6162\u67e5\u8be2\u65e5\u5fd7<\/h2>\n
5.1 \u6162\u65e5\u5fd7\u4f5c\u7528<\/h3>\n
1\uff09\u5c06mysql\u670d\u52a1\u5668\u4e2d\u5f71\u54cd\u6570\u636e\u5e93\u6027\u80fd\u7684\u76f8\u5173SQL\u8bed\u53e5(\u4e0d\u8bba\u662f\u4ec0\u4e48\u8bed\u53e5\uff0c\u589e\u5220\u6539\u67e5)\u8bb0\u5f55\u5230\u65e5\u5fd7\u6587\u4ef6\n2\uff09\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u7279\u6b8a\u7684SQL\u8bed\u53e5\u5206\u6790\u5e76\u6539\u8fdb\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u6027\u80fd<\/code><\/pre>\n
5.2 \u914d\u7f6e\u6162\u65e5\u5fd7<\/h3>\n
#\u9ed8\u8ba4\u6162\u65e5\u5fd7\u662f\u4e0d\u5f00\u542f\u7684\n\n[root@db01 ~]# vim \/etc\/my.cnf\n[mysqld]\n#\u6307\u5b9a\u662f\u5426\u5f00\u542f\u6162\u67e5\u8be2\u65e5\u5fd7\nslow_query_log = 1\n#\u6307\u5b9a\u6162\u65e5\u5fd7\u6587\u4ef6\u5b58\u653e\u4f4d\u7f6e\uff08\u9ed8\u8ba4\u5728data\uff09\nslow_query_log_file=\/var\/log\/slow.log\n#\u8bbe\u5b9a\u6162\u67e5\u8be2\u7684\u9600\u503c(\u9ed8\u8ba410s)\nlong_query_time=0.05\n#\u4e0d\u4f7f\u7528\u7d22\u5f15\u7684\u6162\u67e5\u8be2\u65e5\u5fd7\u662f\u5426\u8bb0\u5f55\u5230\u65e5\u5fd7\nlog_queries_not_using_indexes=ON\n#\u67e5\u8be2\u68c0\u67e5\u8fd4\u56de\u5c11\u4e8e\u8be5\u53c2\u6570\u6307\u5b9a\u884c\u7684SQL\u4e0d\u88ab\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u5c11\u4e8e100\u884c\u7684sql\u8bed\u53e5\u67e5\u8be2\u6162\u7684\u8bdd\u4e0d\u8bb0\u5f55\uff0c\u4e00\u822c\u4e0d\u4f7f\u7528\n#min_examined_row_limit=100  # \u9e21\u808b\n\n\u6267\u884c\u4e0b\u8ff0\u547d\u4ee4\ntouch \/var\/log\/slow.log\nchmod 640 \/var\/log\/slow.log\nchown mysql.mysql \/var\/log\/slow.log\nsystemctl restart mysqld<\/code><\/pre>\n
5.3 \u6d4b\u8bd5\u6162\u65e5\u5fd7<\/h3>\n
\u6d4b\u8bd5\u65b9\u5f0f\u4e00<\/p>\n
\u6d4b\u8bd5:BENCHMARK(count,expr)\nSELECT BENCHMARK(50000000,2*3);\n\n#\u6267\u884c\u5361\u6b7b\uff0c\u67e5\u770b\u6267\u884c\u7684sql\u6267\u884c\u65f6\u95f4\uff0c\u5982\u679c\u505c\u4e0d\u4e0b\u6765 \u53ef\u4ee5 kill id\nshow processlist;\nkill 3;<\/code><\/pre>\n
\u6d4b\u8bd5\u65b9\u5f0f\u4e8c<\/p>\n
insert city_new select * from city;\ninsert city_new select * from city_new;\ninsert city_new select * from city_new;\ninsert city_new select * from city_new;<\/code><\/pre>\n
\u67e5\u770b\u65b9\u5f0f\u4e00<\/p>\n
\u67e5\u770b\u6162\u65e5\u5fd7\u53ef\u4ee5\u4f7f\u7528\ncat \/service\/mysql\/data\/slow.log\n\u770b\u8d77\u6765\u592a\u8d39\u52b2\uff0c\u6211\u4eec\u4f7f\u7528\u65b9\u5f0f\u4e8c<\/code><\/pre>\n
\u67e5\u770b\u65b9\u5f0f\u4e8c<\/p>\n
mysqldumpslow -s r -t 10 \/var\/log\/slow.log\n\n\u5f97\u5230\u6309\u7167\u65f6\u95f4\u6392\u5e8f\u7684\u524d10\u6761\u91cc\u9762\u542b\u6709\u5de6\u8fde\u63a5\u7684\u67e5\u8be2\u8bed\u53e5\n\u53c2\u6570\u8bf4\u660e:\n-s:\u6307\u5b9a\u6392\u5e8f\u65b9\u5f0f\n    c\u3001t\u3001l\u3001r\u5206\u522b\u662f\u6309\u7167\u8bb0\u5f55\u6b21\u6570\u3001\u65f6\u95f4\u3001\u67e5\u8be2\u65f6\u95f4\u3001\n    \u8fd4\u56de\u7684\u8bb0\u5f55\u6570\u6765\u6392\u5e8f\uff0cac\u3001at\u3001al\u3001ar\uff0c\u8868\u793a\u76f8\u5e94\u7684\u5012\u53d9\n\n-t:\u662ftop n\u7684\u610f\u601d\uff0c\u5373\u4e3a\u8fd4\u56de\u524d\u9762\u591a\u5c11\u6761\u7684\u6570\u636e\uff1b\n\n-g:\u540e\u8fb9\u53ef\u4ee5\u5199\u4e00\u4e2a\u6b63\u5219\u5339\u914d\u6a21\u5f0f\uff0c\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u7684\uff1b<\/code><\/pre>\n
\u67e5\u770b\u65b9\u5f0f\u4e09<\/p>\n
yum provides pt-query-digest<\/code><\/pre>\n
\u516d \u4e8c\u8fdb\u5236\u65e5\u5fd7<\/h2>\n
6.1 \u4e8c\u8fdb\u5236\u65e5\u5fd7\u7b80\u4ecb<\/h3>\n
\u200b       \u4e8c\u8fdb\u5236\u65e5\u5fd7\u5373binlog\u65e5\u5fd7\uff0c\u8bb0\u5f55\u4e86mysql\u6570\u636e\u5e93\u6240\u6709\u7684dml,ddl\u8bed\u53e5\u4e8b\u4ef6\uff08\u4e0d\u5305\u542bselect\uff09\u3002\u8bb0\u5f55\u589e\u5220\u6539\uff0c\u4e5f\u53ef\u4ee5\u8bb0\u5f55SQL\u8bed\u53e5\u53ca\u884c\u8bb0\u5f55\u53d8\u5316\uff0c\u8fd8\u53ef\u4ee5\u8bb0\u5f55\u8fd9\u4e9b\u64cd\u4f5c\u4e8b\u4ef6\uff1b\u603b\u4e4b\u4f1a\u8bb0\u5f55\u6240\u6709\u4fee\u6539\u64cd\u4f5c\u7684SQL\u8bed\u53e5\u3002<\/p>\n
\u3000\u3000\u4e0d\u8981\u6df7\u6dc6\u4ee5\u4e0b\u4e09\u79cd\u65e5\u5fd7\uff1a<\/p>\n
\u3000\u3000\uff081\uff09general log\uff1a\u8bb0\u5f55\u6570\u636e\u5e93\u91cc\u7684\u6240\u6709SQL\u64cd\u4f5c\u8bb0\u5f55<\/p>\n
\u3000\u3000\uff082\uff09redo log\uff1a\u53ea\u8bb0\u5f55innodb\u5b58\u50a8\u5f15\u64ce\u7684\u4fee\u6539\u65e5\u5fd7<\/p>\n
\u3000\u3000\uff083\uff09binlog\uff1a\u53ea\u8bb0\u5f55server\u5c42\u9762\u5185\u90e8\u7684\u4fee\u6539\u60c5\u51b5\u3002–select \/show \u4e0d\u8bb0\u5f55<\/p>\n
6.2 \u5f00\u542fbinlog\u65e5\u5fd7\u7684\u597d\u5904<\/h3>\n
\uff081\uff09\u6570\u636e\u6062\u590d\uff1a\u53ef\u4ee5\u57fa\u4e8e\u65f6\u95f4\u70b9\u6062\u590d\uff0c\u4ee5\u53ca\u6839\u636e\u5176\u8fdb\u884c\u589e\u91cf\u4e0e\u5dee\u5f02\u5907\u4efd\n\uff082\uff09mysql\u4e3b\u4ece\u590d\u5236\uff0c\u901a\u8fc7binlog\u5b9e\u73b0\u6570\u636e\u590d\u5236<\/code><\/pre>\n
6.3 \u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u5de5\u4f5c\u6a21\u5f0f<\/h3>\n
\uff081\uff09\u8bed\u53e5\u6a21\u5f0f\uff1abinlog_format=statement\uff08Mysql5.7.6\u4e4b\u524d\u7684\u9ed8\u8ba4\u7ea7\u522b\uff09<\/p>\n
# \u8bed\u53e5\u6a21\u5f0f\u4ecb\u7ecd\n\u8bb0\u5f55\u5bf9\u6570\u636e\u5e93\u505a\u51fa\u4fee\u6539\u7684sql\u8bed\u53e5,\u4e0d\u8bb0\u5f55\u8be5sql\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\n\n\u4f8b\u5982\n1\u3001\u5f00\u542fbinlog\u65e5\u5fd7\u540e\uff0c\u6211\u4eec\u5728\u67d0\u4e2a\u5e93\u4e0b\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u82e5\u60f3\u5b9a\u4e49\u6210\u529f\u9700\u8981\u5148\u8bbe\u7f6e\u914d\u7f6e\u9879\nset global log_bin_trust_function_creators=TRUE;  \n\n2\u3001\u7136\u540e\u81ea\u5b9a\u4e49\u51fd\u6570\ndelimiter \/\/\ncreate function f1(\n    i1 int,\n    i2 int)\nreturns int\nBEGIN\n    declare num int;\n    set num = i1 + i2;\n    return(num);\nEND \/\/\ndelimiter ;\n\n3\u3001\u6700\u540e\u6267\u884c\u4e00\u6761\u63d2\u5165\u8bed\u53e5\ninsert into t1(name) values(concat("egon",f1(1,2)));\n\n\u5982\u679c\u4f7f\u7528statement\u6a21\u5f0f\uff0c\u90a3\u4e48\u8fd9\u6761insert\u8bed\u53e5\u5c06\u4f1a\u88ab\u8bb0\u5f55\u5230\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e2d,\u800csql\u8bed\u53e5\u4e2d\u4f9d\u8d56\u7684f1\u7684\u5b9a\u4e49\u662f\u4e0d\u4f1a\u8bb0\u5f55\u4e0b\u6765\u7684\uff0cf1\u53ea\u5b58\u5728\u4e8e\u5f53\u524d\u5e93\u3002\n\n# \u4f18\u70b9\n\u4e0d\u9700\u8981\u8bb0\u5f55\u7ec6\u5230\u6bcf\u4e00\u884c\u6570\u636e\u7684\u66f4\u6539\u53d8\u5316\uff0c\u56e0\u6b64\uff0cbinlog\u65e5\u5fd7\u91cf\u5c0f\uff0cIO\u538b\u529b\u5c0f\uff0c\u6027\u80fd\u8f83\u9ad8\n\n\u4f8b\u5982:\n    \u4e00\u6761\u8bed\u53e5\u4fee\u6539\u4e86100\u4e07\u884c\uff0c\u8be5\u6a21\u5f0f\u4e0b\u53ea\u9700\u8981\u8bb0\u5f55\u4e0b\u8be5\u6761\u8bed\u53e5\u5373\u53ef\n\n# \u7f3a\u70b9\n\u65e5\u5fd7\u4e2d\u8bb0\u5f55\u7684sql\u8bed\u53e5\u53ef\u80fd\u6709\u4e0a\u4e0b\u6587\u4f9d\u8d56\uff0c\u6b64\u65f6\u8131\u79bb\u4e86\u5f53\u524d\u6570\u636e\u5e93\u73af\u5c31\u65e0\u6cd5\u8fd0\u884c\u4e86\uff0c\u56e0\u6b64\u8be5\u6a21\u5f0f\u4e0b\u5bb9\u6613\u51fa\u73b0\u4e3b\u4ece\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002\n\n\u4f8b\u5982\uff1a\n    \u4e3b\u5e93\u8bb0\u5f55\u7684\u67d0\u6761sql\u8bed\u53e5\u5f15\u7528\u4e86\u4e3b\u5e93\u4e2d\u7684\u51fd\u6570\u3001\u89e6\u53d1\u5668\u3001\u5b58\u50a8\u8fc7\u7a0b\u7b49\u7279\u6b8a\u529f\u80fd\n    \u5728\u4ece\u5e93\u4e0a\u63a5\u6536\u4e86\u8be5sql\u4e4b\u540e\uff0c\u53ef\u80fd\u5c31\u65e0\u6cd5\u6b63\u786e\u8fd0\u884c\uff0c\u4ece\u800c\u4e3b\u4ece\u5e93\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002\n\nps\uff1arow\u6a21\u5f0f\u662f\u57fa\u4e8e\u6bcf\u4e00\u884c\u6765\u8bb0\u5f55\u53d8\u5316\u7684\uff0c\u6240\u4ee5\u4e0d\u4f1a\u51fa\u73b0\u7c7b\u4f3c\u7684\u95ee\u9898\u3002\n\n# \u5e94\u7528\u573a\u666f\nsql\u8bed\u53e5\u5bf9mysql\u5185\u7f6e\u529f\u80fd\u4f9d\u8d56\u6bd4\u8f83\u5c11\uff1a\u4e0d\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\/\u89e6\u53d1\u5668\/\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u8be5\u6a21\u5f0f\uff0c\u5426\u5219\u8fd8\u662f\u63a8\u8350\u884c\u7ea7\u6a21\u5f0f<\/code><\/pre>\n
\uff082\uff09\u884c\u7ea7\u6a21\u5f0f\uff1abinlog_format=row\uff0c\uff08mysql5.7.6\u4e4b\u540e+8.0\u7684\u9ed8\u8ba4\u7ea7\u522b\uff09<\/p>\n
# \u884c\u7ea7\u6a21\u5f0f\u4ecb\u7ecd\n\u8bb0\u5f55\u6bcf\u4e00\u884c\u6570\u636e\u4fee\u6539\u7684\u7ec6\u8282\uff0c\u5373\u54ea\u4e00\u6761\u8bb0\u5f55\u88ab\u4fee\u6539\u4e86\uff0c\u4fee\u6539\u6210\u4ec0\u4e48\u6837\u4e86\n\n\u4f8b\u5982\uff1a\u6267\u884c\u8bed\u53e5\uff08f1\u53c2\u7167\u4e0a\u4f8b\uff0c\u6b64\u5904\u7565\uff09\ninsert into t1(name) values(concat("egon",f1(1,2)));\n\n\u5982\u679c\u4f7f\u7528row\u6a21\u5f0f\uff0c\u90a3\u4e48\u65e5\u5fd7\u4e2d\u4f1a\u8bb0\u5f55\u63d2\u5165\u4e86\u4e00\u6761\u65b0\u8bb0\u5f55\uff0c\u8bb0\u5f55\u4e2d\u7684name\u5b57\u6bb5\u503c\u4e3a'egon3'\n\n# \u4f18\u70b9\n\u76f8\u5f53\u4e8e\u628a\u4e0a\u4e0b\u6587\u4f9d\u8d56\u90fd\u8bb0\u5f55\u4e86\u4e0b\u6765\uff0c\u53ef\u4ee5\u66f4\u65b9\u4fbf\u67e5\u770b\u6bcf\u4e00\u6761\u6570\u636e\u4fee\u6539\u7684\u7ec6\u8282\uff0c\u5e76\u4e14\u4e0d\u4f1a\u51fa\u73b0\u67d0\u4e9b\u7279\u5b9a\u60c5\u51b5\u4e0b\u7684\u5b58\u50a8\u8fc7\u7a0b\u6216function\u4ee5\u53catrigger\u7684\u8c03\u7528\u548c\u89e6\u53d1\u65e0\u6cd5\u88ab\u6b63\u786e\u590d\u5236\u7684\u95ee\u9898\uff0c\u5373\u8be5\u6a21\u5f0f\u4e0b\u4e3b\u4ece\u590d\u5236\u5f3a\u4e00\u81f4\uff0c\u6570\u636e\u6700\u5b89\u5168\u3002\n\n# \u7f3a\u70b9\n\u65e5\u5fd7\u91cf\u5927\n\n\u4f8b\u5982\n    \u4e00\u6761\u8bed\u53e5\u4fee\u6539\u4e86100\u4e07\u884c\uff0c\u8bed\u53e5\u6a21\u5f0f\u4e0b\u53ea\u9700\u8981\u8bb0\u5f55\u4e00\u6761\u8bed\u53e5\u5373\u53ef\n    \u800c\u884c\u7ea7\u6a21\u5f0f\u5374\u4fee\u6539\u8bb0\u5f55\u4e0b100\u4e07\u884c\u7684\u4fee\u6539\u8bb0\u5f55\uff0cbinlog\u65e5\u5fd7\u7684\u91cf\u53ef\u80fd\u4f1a\u5927\u5f97\u60ca\u4eba\u3002\n\n# \u5e94\u7528\nsql\u8bed\u53e5\u5bf9mysql\u5185\u7f6e\u529f\u80fd\u4f9d\u8d56\u6bd4\u8f83\u591a\uff0c\u5e0c\u671b\u6570\u636e\u6700\u5b89\u5168\uff0c\u590d\u5236\u5f3a\u4e00\u81f4\u7684\u573a\u666f\u63a8\u8350\u884c\u7ea7\u6a21\u5f0f<\/code><\/pre>\n
\uff083\uff09\u6df7\u5408\u6a21\u5f0f\uff1abinlog_format=mixed\uff0c\u4e00\u822c\u4e0d\u7528<\/p>\n
# \u6df7\u5408\u6a21\u5f0f\u4ecb\u7ecd\n\u7ed3\u5408 row level \u4e0estatement level\u7684\u4f18\u70b9\n\u6df7\u5408\uff08mixed-based\uff09\u6a21\u5f0f\u9ed8\u8ba4\u91c7\u7528\u8bed\u53e5\u6a21\u5f0f\u8bb0\u5f55\u65e5\u5fd7\uff0c\u5728\u4e00\u4e9b\u7279\u5b9a\u7684\u60c5\u51b5\u4e0b\u4f1a\u5c06\u8bb0\u5f55\u6a21\u5f0f\u5207\u6362\u4e3a\u884c\u7ea7\u6a21\u5f0f\u8bb0\u5f55\uff0c\u8fd9\u4e9b\u7279\u6b8a\u60c5\u51b5\u5305\u542b\u4f46\u4e0d\u9650\u4e8e\u4ee5\u4e0b\u60c5\u51b5\u3002\n\u2022\u5f53\u51fd\u6570\u4e2d\u5305\u542bUUID()\u65f6\u3002\n\u2022\u5f53\u8868\u4e2d\u6709\u81ea\u589e\u5217\uff08AUTO_INCREMENT\uff09\u88ab\u66f4\u65b0\u65f6\u3002\n\u2022\u5f53\u6267\u884c\u89e6\u53d1\u5668\uff08trigger\uff09\u6216\u8005\u5b58\u50a8\u8fc7\u7a0b\uff08stored function\uff09\u7b49\u7279\u6b8a\u529f\u80fd\u65f6\u3002\n\u2022\u5f53FOUND_ROWS()\u3001ROW_COUNT()\u3001USER()\u3001CURRENT_USER()\u3001CURRENT_USER\u7b49\u6267\u884c\u65f6\u3002\n\n# \u5e94\u7528\u573a\u666f\n\u770b\u4e0a\u53bb\u8fd9\u79cd\u65b9\u5f0f\u4f3c\u4e4e\u6bd4\u8f83\u7f8e\u597d\uff0c\u4f46\u662f\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u4e3a\u4e86\u4fdd\u9669\u8d77\u89c1\uff0c\u4e00\u822c\u4f1a\u4f7f\u7528row\u6a21\u5f0f\u3002<\/code><\/pre>\n
6.4 binlog\u65e5\u5fd7\u76f8\u5173\u6982\u5ff5<\/h3>\n
\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\uff0c\u987e\u540d\u601d\u4e49\uff0c\u5b83\u662f\u4e8c\u8fdb\u5236\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528cat\u547d\u4ee4\u8fdb\u884c\u67e5\u770b\uff0c\u800c\u662f\u9700\u8981\u901a\u8fc7\u4e00\u4e9b\u522b\u7684\u547d\u4ee4\u67e5\u770b\u5176\u5185\u5bb9\uff0c\u800c\u4e14\uff0c\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\uff0c\u6709\u201d\u4e8b\u4ef6\u201d\u548c\u201d\u4f4d\u7f6e\u201d\u7684\u6982\u5ff5\uff0c\u4ec0\u4e48\u662f\u4e8b\u4ef6\u5462\uff1f<\/p>\n
(1) \u4e8b\u4ef6events<\/h4>\n
\u901a\u4fd7\u7684\u8bb2\uff0c\u6211\u4eec\u53ef\u4ee5\u628abinlog\u4e2d\u7684\u6bcf\u4e00\u6761\u8bb0\u5f55\u5f53\u505a\u4e00\u4e2a\u201d\u4e8b\u4ef6\u201d\uff0c\u56e0\u4e3abinlog\u8bb0\u5f55\u4e86\u6240\u6709\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u7684\u4fee\u6539\uff0c\u6240\u4ee5\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba4\u4e3a\uff0c\u6570\u636e\u5e93\u7684\u4fee\u6539\u88ab\u8bb0\u5f55\u5230\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e2d\uff0c\u8fd9\u4e9b\u8bb0\u5f55\u6bcf\u4e00\u6761\u90fd\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u201d\u4e8b\u4ef6\u201d\u3002<\/p>\n
(2) \u4f4d\u7f6eposition<\/h4>\n
\u7531\u4e8e\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u662f\u4e8c\u8fdb\u5236\u7684\uff0c\u6240\u4ee5\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u6574\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6\u60f3\u8c61\u6210\u4e00\u4e2a\u5b57\u8282\u5e8f\u5217\u3002\u5047\u8bbe\uff0c\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u521a\u5f00\u59cb\u662f\u7a7a\u7684\uff0c\u4ece\u7b2c1\u4e2a\u5b57\u8282\u5f00\u59cb\u8bb0\u5f55\uff0c\u5047\u8bbe\u8bb0\u5f55\u7b2c\u4e00\u4e2a\u201d\u4e8b\u4ef6\u201d\uff08\u7b2c\u4e00\u6761\u8bb0\u5f55\uff09\uff0c\u9700\u898115\u4e2a\u5b57\u8282\uff0c\u90a3\u4e48\u7b2c\u4e00\u4e2a\u4e8b\u4ef6\u7684\u5f00\u59cb\u201d\u4f4d\u7f6e\u201d\u5c31\u662f1\uff0c\u7ed3\u675f\u201d\u4f4d\u7f6e\u201d\u5c31\u662f15\uff0c\u7531\u4e8e\u524d15\u4e2a\u5b57\u8282\u5df2\u7ecf\u88ab\u7b2c\u4e00\u4e2a\u4e8b\u4ef6\u5360\u7528\uff0c\u90a3\u4e48\u5f53\u6211\u4eec\u60f3\u8981\u901a\u8fc7\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8bb0\u5f55\u7b2c\u4e8c\u4e2a\u4e8b\u4ef6\u65f6\uff0c\u5219\u9700\u8981\u4ece\u7b2c15\u4e2a\u5b57\u8282\u5411\u540e\u5f00\u59cb\u8bb0\u5f55\uff0c\u5047\u8bbe\u8bb0\u5f55\u7b2c\u4e8c\u4e2a\u201d\u4e8b\u4ef6\u201d\u9700\u898120\u4e2a\u5b57\u8282\uff0c\u90a3\u4e48\u7b2c\u4e8c\u4e2a\u4e8b\u4ef6\u5728binlog\u4e2d\u7684\u8d77\u59cb\u201d\u4f4d\u7f6e\u201d\u5c31\u662f15\uff0c\u7ed3\u675f\u201d\u4f4d\u7f6e\u201d\u5c31\u662f35\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n
6.5 \u4e8c\u8fdb\u5236\u65e5\u5fd7\u76f8\u5173\u53c2\u6570<\/h3>\n
(1) server_id<\/h4>\n
\u670d\u52a1ID,\u4e3b\u4ece\u5e93\u5fc5\u987b\u4e0d\u4e00\u6837\uff0c\u5efa\u8bae\u6570\u5b57\u4e3a:ip+\u7aef\u53e3\uff0c5.7.3\u4ee5\u540e\u7248\u672c,\u5fc5\u987b\u6307\u5b9a<\/code><\/pre>\n
(2) log-bin<\/h4>\n
\u6b64\u53d8\u91cf\u7528\u4e8e\u63a7\u5236\u662f\u5426\u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u800c\u4e14\u8fd9\u662f\u4e00\u4e2a\u53ea\u8bfb\u53d8\u91cf\uff0c\u9ed8\u8ba4\u503c\u4e3aOFF\n\n\u5f53\u6211\u4eec\u542f\u52a8\u6570\u636e\u5e93\u4ee5\u540e\uff0c\u5728\u5f53\u524d\u6570\u636e\u5e93\u8fde\u63a5\u4e2d\u67e5\u770b\u6b64\u53d8\u91cf\u7684\u503c\uff0c\u6b64\u53d8\u91cf\u503c\u53ef\u80fd\u4e3aOFF\uff0c\u8868\u793a\u4e0d\u8bb0\u5f55\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5982\u679c\u60f3\u8981\u8bb0\u5f55\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u53ea\u9700\u5c06\u6b64\u503c\u8bbe\u7f6e\u4e3a\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u6587\u4ef6\u540d\u5373\u53ef\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6211\u4eec\u65e0\u6cd5\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u4f7f\u7528set\u547d\u4ee4\u8bbe\u7f6elog_bin\u7684\u503c\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u53ea\u8bfb\u53d8\u91cf\uff0c\u6211\u4eec\u53ea\u80fd\u901a\u8fc7\u4fee\u6539my.cnf\u7684\u65b9\u5f0f\uff0c\u8bbe\u7f6elog_bin\u7684\u503c\uff0c\u5047\u8bbe\uff0c\u6211\u4eec\u7f16\u8f91my.cnf\u6587\u4ef6\uff0c\u8bbe\u7f6elog_bin\u7684\u503c\u4e3amybinlog\uff0c\u90a3\u4e48\uff0c\u5728mysql\u7684\u6570\u636e\u76ee\u5f55\u4e2d\uff0c\u5c06\u4f1a\u81ea\u52a8\u751f\u6210\u4e00\u4e2a\u4ee5mybinlog\u4e3a\u6587\u4ef6\u540d\u524d\u7f00\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\uff0c\u5982\u679c\u60f3\u8981\u518d\u6b21\u7981\u7528binlog\uff0c\u53ea\u9700\u8981\u5c06log_bin\u8fd9\u4e00\u884c\u914d\u7f6e\u4ecemy.cnf\u6587\u4ef6\u4e2d\u6ce8\u91ca\u5373\u53ef\uff0c\u6216\u8005\u5c06\u5176\u5220\u9664\uff0c\u91cd\u542fmysql\u670d\u52a1\u540e\uff0c\u518d\u6b21\u67e5\u770blog_bin\u7684\u503c\uff0c\u5176\u503c\u4e3aOFF\uff0c\u6ce8\u610f\uff0c\u4e0d\u8981\u76f4\u63a5\u5728my.cnf\u6587\u4ef6\u4e2d\u5c06log_bin\u7684\u503c\u8bbe\u7f6e\u4e3aON\u6216\u8005OFF\uff0c\u5982\u679c\u8fd9\u6837\u505a\uff0c\u4f60\u5c06\u4f1a\u770b\u5230\u4ee5ON\u6216\u8005OFF\u4e3a\u6587\u4ef6\u540d\u524d\u7f00\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679cmy.cnf\u914d\u7f6e\u6587\u4ef6\u4e2d\u6ca1\u6709log_bin\u7684\u914d\u7f6e\uff0c\u5219\u8868\u793a\u672a\u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5982\u679cmy.cnf\u4e2d\u5b58\u5728log_bin\u7684\u914d\u7f6e\uff0c\u90a3\u4e48\u5219\u8868\u793a\u5f00\u542f\u4e86\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u540c\u65f6\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u7684\u540d\u79f0\u5c06\u4f1a\u4ee5log_bin\u5bf9\u5e94\u7684\u503c\u4e3a\u6587\u4ef6\u540d\u524d\u7f00\uff0c\u540c\u65f6\uff0c\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u7684\u540e\u7f00\u540d\u4f1a\u8fdb\u884c\u81ea\u52a8\u7f16\u53f7\uff0c\u6bcf\u6b21\u65e5\u5fd7\u6eda\u52a8\u540e\uff0c\u540e\u7f00\u540d\u7f16\u53f7\u81ea\u52a8\u52a01\u3002\n\n\u793a\u4f8b\uff1a\nlog-bin=\/var\/lib\/mysql\/mybinlog #\u7edd\u5bf9\u8def\u5f84\n# log-bin=mybinlog #\u4e5f\u53ef\u4ee5\u7528\u76f8\u5bf9\u8def\u5f84\uff0c \u4f1a\u5728$datadir\u4e0b\u4ea7\u751fmysqlbinlog-00000N<\/code><\/pre>\n
(3) log_bin_index<\/h4>\n
\u4e0d\u8bbe\u7f6e\u7684\u8bdd\uff0c\u4f1a\u6839\u636elog_bin\u503c\u540d\u79f0\u81ea\u52a8\u751f\u6210mybinlog.index\nlog_bin_index=var\/lib\/mysql\/mybinlog.index <\/code><\/pre>\n
(4) sql_log_bin<\/h4>\n
\u9ed8\u8ba4\u4e3aON\n\u6b64\u53d8\u91cf\u7528\u4e8e\u6807\u8bc6\u5f53\u524d\u4f1a\u8bdd\u4e2d\u7684\u64cd\u4f5c\u662f\u5426\u4f1a\u88ab\u8bb0\u5f55\u4e8e\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u6b64\u53d8\u91cf\u503c\u8bbe\u7f6e\u4e3aON\uff0c\u5219\u8868\u793a\u5728\u5f53\u524d\u6570\u636e\u5e93\u8fde\u63a5\u4e2d\uff0c\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u4fee\u6539\u7684\u8bed\u53e5\u5c06\u4f1a\u88ab\u8bb0\u5f55\u5230binlog\u4e2d\uff0c\u6b64\u53d8\u91cf\u503c\u8bbe\u7f6e\u4e3aOFF\uff0c\u5219\u8868\u793a\u5728\u5f53\u524d\u6570\u636e\u5e93\u8fde\u63a5\u4e2d\uff0c\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u7684\u4fee\u6539\u7684\u8bed\u53e5\u5c06\u4e0d\u4f1a\u88ab\u8bb0\u5f55\u5230binlog\u4e2d\uff0c\u5728\u4e3b\u4ece\u590d\u5236\u7ed3\u6784\u4e2d\uff0c\u8fd9\u4e9b\u8bed\u53e5\u7531\u4e8e\u6ca1\u6709\u88abbinlog\u8bb0\u5f55\uff0c\u6240\u4ee5\u4e5f\u4e0d\u4f1a\u540c\u6b65\u5230\u4ece\u8282\u70b9\u4e2d\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5373\u4f7f\u5728my.cnf\u914d\u7f6e\u6587\u4ef6\u4e2d\u8bbe\u7f6e\u4e86log_bin\u7684\u503c\uff0c\u5f53\u524d\u4f1a\u8bdd\u4e2d\uff0c\u5982\u679csql_log_bin\u7684\u503c\u8bbe\u7f6e\u4e3aOFF\uff0c\u5f53\u524d\u4f1a\u8bdd\u7684\u64cd\u4f5c\u4e5f\u4e0d\u4f1a\u8bb0\u5f55\u5728\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e2d\u3002\u800c\u4e14\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0csql_log_bin\u662f\u4e00\u4e2a\u4f1a\u8bdd\u754c\u522b\u7684\u53d8\u91cf\uff0c\u53ea\u80fd\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u4f7f\u7528set sql_log_bin\u547d\u4ee4\u8fdb\u884c\u8bbe\u7f6e\uff0c\u4e0d\u80fd\u4f7f\u7528set global sql_log_bin\u547d\u4ee4\u8fdb\u884c\u8bbe\u7f6e\uff0c\u56e0\u4e3a\u5b83\u662f\u4f1a\u8bdd\u7ea7\u522b\u7684\u53d8\u91cf\uff0c\u800c\u4e14\uff0csql_log_bin\u4e5f\u4e0d\u80fd\u914d\u7f6e\u5728my.cnf\u6587\u4ef6\u4e2d\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u65e0\u6cd5\u542f\u52a8mysql\u3002<\/code><\/pre>\n
(5) binlog_format<\/strong><\/h4>\n
\u6b64\u53d8\u91cf\u503c\u5f97\u542b\u4e49\u4e0a\u6587\u5df2\u7ecf\u89e3\u91ca\u8fc7\uff0c\u6b64\u53d8\u91cf\u7684\u503c\u51b3\u5b9a\u4e86\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u8bb0\u5f55\u65b9\u5f0f\uff0c\u6b64\u53d8\u91cf\u7684\u503c\u53ef\u4ee5\u8bbe\u7f6e\u4e3astatement\u3001row\u3001mixed\uff0c\u5206\u522b\u8868\u793a\u4ee5\u8bed\u53e5\u7684\u5f62\u5f0f\u8bb0\u5f55\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u4ee5\u6570\u636e\u4fee\u6539\u7684\u5f62\u5f0f\u8bb0\u5f55\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u4ee5\u6df7\u5408\u7684\u65b9\u5f0f\u8bb0\u5f55\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5b89\u5168\u4fdd\u9669\u8d77\u89c1\uff0c\u63a8\u8350\u4f7f\u7528row\u7684\u65b9\u5f0f\u8bb0\u5f55\u3002<\/code><\/pre>\n
(6) max_binlog_size<\/h4>\n
\u8bbe\u7f6e\u5355\u4e2a\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u7684\u6700\u5927\u5927\u5c0f\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff0c\u8d85\u8fc7\u6b64\u503c\u5927\u5c0f\uff0c\u5219\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u4f1a\u81ea\u52a8\u6eda\u52a8\uff0c\u6bd4\u5982\u8bbe\u7f6e\u4e3a500M\u4e3a524288000\u3002<\/code><\/pre>\n
(7) sync_binlog<\/h4>\n
\u5728\u5b58\u50a8\u5f15\u64ce\u7ae0\u8282\u4e2d\u6211\u4eec\u63d0\u8fc7\uff1a\ninnodb_flush_log_at_trx_commit\u63a7\u5236redo\u65e5\u5fd7\u7684\u5237\u76d8\u7b56\u7565\uff0c\u5efa\u8bae\u503c\u4e3a1\nsync_binlog\u63a7\u5236binlog\u65e5\u5fd7\u7684\u5237\u76d8\u7b56\u7565\uff0c\u5efa\u8bae\u503c\u4e3a1\n\n\u5f53\u6211\u4eec\u628ainnodb_flush_log_at_trx_commit\u8bbe\u7f6e\u4e3a1\u7684\u65f6\u5019\uff0c\u8868\u793a\u4e8b\u52a1\u63d0\u4ea4\u65f6\uff0c\u4e8b\u52a1\u65e5\u5fd7\u7acb\u9a6c\u4ece\u5185\u5b58\u5237\u5199\u5230\u78c1\u76d8\u4e2d\u7684\u4e8b\u52a1\u65e5\u5fd7\u6587\u4ef6\u4e2d\uff0c\u800csync_binlog\u5bf9\u4e8e\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u4f5c\u7528\uff0c\u5c31\u50cfinnodb_flush_log_at_trx_commit\u5bf9\u4e8e\u4e8b\u52a1\u65e5\u5fd7\u7684\u4f5c\u7528\uff0c\u7531\u4e8e\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e00\u5f00\u59cb\u5b58\u5728\u4e8e\u5185\u5b58\uff08binlog_cache\uff09\u4e2d\uff0c\u5982\u679c\u5c06sync_binlog\u8bbe\u7f6e\u4e3a1\uff0c\u5219\u8868\u793a\u6bcf1\u6b21\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u540e\uff0c\u90fd\u4f1a\u7acb\u5373\u5c06\u5185\u5b58\u4e2d\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7acb\u5373\u540c\u6b65\u5230\u78c1\u76d8\u4e2d\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u4e2d\uff0c\u5982\u679c\u5c06sync_binlog\u8bbe\u7f6e\u4e3a0\uff0c\u5219\u8868\u793a\u5f53\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u540e\uff0cmysql\u4e0d\u4f1a\u7acb\u5373\u5c06\u5185\u5b58\u4e2d\u7684binlog\u5237\u5199\u5230\u78c1\u76d8\u4e2d\u7684binlog\u65e5\u5fd7\u6587\u4ef6\u4e2d\uff0c\u800c\u662f\u7531\u6587\u4ef6\u7cfb\u7edf\u51b3\u5b9a\u4ec0\u4e48\u65f6\u5019\u5237\u5199\uff0c\u8fd9\u53ef\u80fd\u53d6\u51b3\u4e8e\u6587\u4ef6\u7cfb\u7edf\u7684\u7f13\u5b58\u673a\u5236\uff0c\u5f53\u6b64\u503c\u8bbe\u7f6e\u4e3a0\u65f6\uff0c\u4e00\u65e6\u64cd\u4f5c\u7cfb\u7edf\u5b95\u673a\uff0c\u90a3\u4e48\u5c06\u4e22\u5931\u672a\u4ece\u5185\u5b58\u4e2d\u540c\u6b65\u5230\u78c1\u76d8\u4e2d\u7684binlog\uff0c\u6240\u4ee5\uff0c\u5f53\u6b64\u503c\u8bbe\u7f6e\u4e3a0\u65f6\uff0c\u5b89\u5168\u6027\u6700\u5dee\uff0c\u4f46\u662f\u6027\u80fd\u6700\u9ad8\uff0c\u5f53\u6b64\u503c\u8bbe\u7f6e\u4e3a1\u65f6\uff0c\u5b89\u5168\u6027\u6700\u9ad8\uff0c\u6027\u80fd\u6700\u5dee\uff0c\u9664\u4e86\u5c06\u6b64\u503c\u8bbe\u7f6e\u4e3a0\u62161\uff0c\u8fd8\u80fd\u8bbe\u7f6e\u4e3aN\uff0c\u5047\u8bbe\u5c06\u6b64\u503c\u8bbe\u7f6e\u4e3a3\uff0c\u5219\u8868\u793a\u6bcf3\u6b21\u4e8b\u52a1\u63d0\u4ea4\u540e\uff0c\u5c06binlog\u4ece\u5185\u5b58\u5237\u5199\u5230\u78c1\u76d8\u4e00\u6b21\uff0c\u503c\u8bbe\u7f6e\u7684\u8d8a\u5927\uff0c\u6709\u53ef\u80fd\u4e22\u5931\u7684\u65e5\u5fd7\u6570\u636e\u5c06\u4f1a\u8d8a\u591a\uff0c\u5f53\u7136\uff0c\u6027\u80fd\u4f1a\u8d8a\u597d\uff0c\u5728\u8ffd\u6c42\u5b89\u5168\u7684\u60c5\u51b5\u4e0b\uff0c\u63a8\u8350\u8bbe\u7f6e\u4e3a1\uff0c\u4f46\u662f\u542c\u8bf4\uff0c\u6b64\u503c\u8bbe\u7f6e\u4e3a0\u548c\u8bbe\u7f6e\u4e3a1\u65f6\u5728\u6027\u80fd\u4e0a\u7684\u5dee\u8ddd\u8fd8\u662f\u6bd4\u8f83\u660e\u663e\u7684\uff0c\u5982\u679c\u8bbe\u7f6e\u4e3a0\u6216N\uff0c\u6700\u597d\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u51c6\u5907\u5e26\u6709\u5907\u7528\u7535\u6e90\u7684\u7f13\u5b58\u3002<\/code><\/pre>\n
(8) \u5176\u4ed6\u53c2\u6570<\/h4>\n
#\u6253\u5f00\u624d\u80fd\u67e5\u770b\u8be6\u7ec6\u8bb0\u5f55\uff0c\u9ed8\u8ba4\u4e3aoff\nbinlog_rows_query_log_events=on \n\n#\u8868\u793a\u81ea\u52a8\u5220\u966410\u5929\u4ee5\u524d\u7684\u65e5\u5fd7\nexpire_logs_days=10 \n\n# full,minimal,noblob\u5206\u522b\u8868\u793abinlog\u4e2d\u5185\u5bb9\u5168\u8bb0\u5f55\uff0c\u53ea\u8bb0\u5f55\u88ab\u64cd\u4f5c\u7684\uff0c\u548c\u4e0d\u8bb0\u5f55\u4e8c\u8fdb\u5236\nbinlog_row_image=full #\uff08full,minimal,noblob\uff09\uff0c<\/code><\/pre>\n
6.5 \u67e5\u770bbinlog\u914d\u7f6e\u9879<\/h3>\n
show variables like '%log_bin%';\nshow variables like '%binlog%';\nshow variables like '%binlog_format%';\nshow variables like '%server%';\nshow variables like 'expire_logs_days'; -- \u8fc7\u671f\u65e5\u5fd7\u5929\u6570\n\n# \u6216\u8005\n[root@db01 ~]# mysqladmin -uroot -pEgon@123 variables |grep -w log_bin<\/code><\/pre>\n
6.6 \u5f00\u542fbinlog<\/h3>\n
1.\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\n\n2.\u914d\u7f6e\u5f00\u542fbinlog\nvim \/etc\/my.cnf\n[mysqld]\nserver_id=1\nlog-bin=\/var\/lib\/mysql\/mybinlog \nbinlog_format='row' #(row,statement,mixed)\uff0c\u4e0d\u5efa\u8bae\u968f\u610f\u53bb\u4fee\u6539binlog\u5de5\u4f5c\u6a21\u5f0f    \nbinlog_rows_query_log_events=on \nmax_binlog_size=100M <\/code><\/pre>\n
6.7 \u67e5\u770bbinlog\u65e5\u5fd7<\/h3>\n
\u67e5\u770b\u65e5\u5fd7\u65e5\u5fd7\u540d\u3001\u72b6\u6001\u3001\u4e8b\u4ef6<\/p>
<\/div>
\u67e5\u770b\u66f4\u591a<\/h2>
\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div>
<\/div>
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