内容简介：MySQL的binlog日志位置可通过show variables like '%datadir%';查看，直接打开无法查看，要看其内容2个办法：1、登录到mysql查看binlog只查看第一个binlog文件的内容
MySQL的binlog日志位置可通过show variables like '%datadir%';查看，直接打开无法查看，要看其内容2个办法：
1、登录到 mysql 查看binlog
只查看第一个binlog文件的内容
mysql> show binlog events;
查看指定binlog文件的内容
mysql> show binlog events in 'mysql-bin.000002';
mysql> show binlog events in 'mysql-bin.000001';
+------------------+------+-------------+-----------+-------------+-----------------------------------------------------------+
| Log_name | Pos | Event_type | Server_id | End_log_pos | Info |
+------------------+------+-------------+-----------+-------------+-----------------------------------------------------------+
| mysql-bin.000001 | 4 | Format_desc | 195 | 106 | Server ver: 5.1.73-log, Binlog ver: 4 |
| mysql-bin.000001 | 106 | Query | 195 | 198 | use `Hadoop`; delete from user where id=3 |
| mysql-bin.000001 | 198 | Intvar | 195 | 226 | INSERT_ID=4 |
| mysql-bin.000001 | 226 | Query | 195 | 332 | use `hadoop`; INSERT INTO user (id,name)VALUES (NULL,1) |
| mysql-bin.000001 | 332 | Query | 195 | 424 | use `hadoop`; delete from user where id=3 |
| mysql-bin.000001 | 424 | Intvar | 195 | 452 | INSERT_ID=5 |
| mysql-bin.000001 | 452 | Query | 195 | 560 | use `hadoop`; INSERT INTO user (id,name)VALUES (NULL,222) |
| mysql-bin.000001 | 560 | Query | 195 | 660 | use `hadoop`; DELETE FROM `user` WHERE (`id`='1') |
| mysql-bin.000001 | 660 | Intvar | 195 | 688 | INSERT_ID=6 |
| mysql-bin.000001 | 688 | Query | 195 | 795 | use `hadoop`; INSERT INTO `user` (`name`) VALUES ('555') |
| mysql-bin.000001 | 795 | Intvar | 195 | 823 | INSERT_ID=7 |
| mysql-bin.000001 | 823 | Query | 195 | 930 | use `hadoop`; INSERT INTO `user` (`name`) VALUES ('555') |
| mysql-bin.000001 | 930 | Intvar | 195 | 958 | INSERT_ID=8 |
| mysql-bin.000001 | 958 | Query | 195 | 1065 | use `hadoop`; INSERT INTO `user` (`name`) VALUES ('555') |
| mysql-bin.000001 | 1065 | Intvar | 195 | 1093 | INSERT_ID=9 |
| mysql-bin.000001 | 1093 | Query | 195 | 1200 | use `hadoop`; INSERT INTO `user` (`name`) VALUES ('555') |
| mysql-bin.000001 | 1200 | Query | 195 | 1300 | use `hadoop`; DELETE FROM `user` WHERE (`id`='9') |
| mysql-bin.000001 | 1300 | Query | 195 | 1400 | use `hadoop`; DELETE FROM `user` WHERE (`id`='8') |
| mysql-bin.000001 | 1400 | Query | 195 | 1500 | use `hadoop`; DELETE FROM `user` WHERE (`id`='7') |
| mysql-bin.000001 | 1500 | Query | 195 | 1600 | use `hadoop`; DELETE FROM `user` WHERE (`id`='4') |
| mysql-bin.000001 | 1600 | Query | 195 | 1700 | use `hadoop`; DELETE FROM `user` WHERE (`id`='5') |
| mysql-bin.000001 | 1700 | Query | 195 | 1800 | use `hadoop`; DELETE FROM `user` WHERE (`id`='6') |
| mysql-bin.000001 | 1800 | Intvar | 195 | 1828 | INSERT_ID=10 |
| mysql-bin.000001 | 1828 | Query | 195 | 1935 | use `hadoop`; INSERT INTO `user` (`name`) VALUES ('555') |
| mysql-bin.000001 | 1935 | Intvar | 195 | 1963 | INSERT_ID=11 |
| mysql-bin.000001 | 1963 | Query | 195 | 2070 | use `hadoop`; INSERT INTO `user` (`name`) VALUES ('666') |
| mysql-bin.000001 | 2070 | Intvar | 195 | 2098 | INSERT_ID=12 |
| mysql-bin.000001 | 2098 | Query | 195 | 2205 | use `hadoop`; INSERT INTO `user` (`name`) VALUES ('777') |
+------------------+------+-------------+-----------+-------------+-----------------------------------------------------------+
查看当前正在写入的binlog文件
mysql> show master status\G
mysql> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000002
Position: 106
Binlog_Do_DB:
Binlog_Ignore_DB: mysql,information_schema,performance_schema
1 row in set (0.00 sec)
获取binlog文件列表
mysql> show binary logs;
mysql> show binary logs;
+------------------+-----------+
| Log_name | File_size |
+------------------+-----------+
| mysql-bin.000001 | 3548 |
| mysql-bin.000002 | 106 |
+------------------+-----------+
2 rows in set (0.00 sec)
2、用mysqlbinlog工具查看
基于开始/结束时间
[root@hd3 ~]# mysqlbinlog --start-datetime='2016-08-02 00:00:00' --stop-datetime='2016-08-03 23:01:01' -d hadoop /var/lib/mysql/mysql-bin.000001
基于pos值，注：hadoop是库名，/var/lib/mysql/mysql-bin.000001是二进制文件路径
[root@hd3 ~]# mysqlbinlog --start-position=2098 --stop-position=2205 -d hadoop /var/lib/mysql/mysql-bin.000001
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
DELIMITER /*!*/;
# at 4
#160803 17:49:51 server id 195 end_log_pos 106 Start: binlog v 4, server v 5.1.73-log created 160803 17:49:51 at startup
# Warning: this binlog is either in use or was not closed properly.
ROLLBACK/*!*/;
BINLOG '
P76hVw/DAAAAZgAAAGoAAAABAAQANS4xLjczLWxvZwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAA/vqFXEzgNAAgAEgAEBAQEEgAAUwAEGggAAAAICAgC
'/*!*/;
# at 2098
#160803 18:53:56 server id 195 end_log_pos 2205 Query thread_id=1481 exec_time=115 error_code=0
use `hadoop`/*!*/;
SET TIMESTAMP=1470221636/*!*/;
SET @@session.pseudo_thread_id=1481/*!*/;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1, @@session.autocommit=1/*!*/;
SET @@session.sql_mode=0/*!*/;
SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/;
/*!\C utf8 *//*!*/;
SET @@session.character_set_client=33,@@session.collation_connection=33,@@session.collation_server=8/*!*/;
SET @@session.lc_time_names=0/*!*/;
SET @@session.collation_database=DEFAULT/*!*/;
INSERT INTO `user` (`name`) VALUES ('777')
/*!*/;
DELIMITER ;
# End of log file
ROLLBACK /* added by mysqlbinlog */;
/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
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