一、mysqlbinlog #解析 mysql的binlog日志
1、mysql的binlog日志是什么？
数据目录下的如下文件就是
mysqlbin_oldboy.000001
mysqlbin_oldboy.000002
mysqlbin_oldboy.000003
mysqlbin_oldboy.000004
2、mysql的binlog日志作用是什么？
用来记录mysql内部增删改查等对mysql数据库有更新的内容的记录。
3、binlog功能怎么打开
[root@localhost data]# grep log-bin /etc/my.cnf
log-bin=mysqlbin_oldboy
4、mysqlbinlog查看日志，（这里不能用cat查看），不记录 select 记录
[root@localhost bak]# ll /application/mysql/data/
总用量 29292
-rw-r--r--. 1 root root 2014 9月 20 22:24 bin.sql
-rw-rw----. 1 mysql mysql 18874368 9月 21 17:46 ibdata1
-rw-rw----. 1 mysql mysql 5242880 9月 21 17:46 ib_logfile0
-rw-rw----. 1 mysql mysql 5242880 9月 19 01:03 ib_logfile1
-rw-r-----. 1 mysql root 21685 9月 21 17:46 localhost.localdomain.err
-rw-rw----. 1 mysql mysql 5 9月 21 17:46 localhost.localdomain.pid
drwx------. 2 mysql mysql 4096 9月 21 17:07 mysql
-rw-rw----. 1 mysql mysql 547 9月 20 22:18 mysqlbin_oldboy.000001
-rw-rw----. 1 mysql mysql 556247 9月 21 17:44 mysqlbin_oldboy.000002
-rw-rw----. 1 mysql mysql 126 9月 21 17:46 mysqlbin_oldboy.000003
-rw-rw----. 1 mysql mysql 107 9月 21 17:46 mysqlbin_oldboy.000004
-rw-rw----. 1 mysql mysql 100 9月 21 17:46 mysqlbin_oldboy.index
drwx------. 2 mysql mysql 4096 9月 21 17:26 oldboy
drwx------. 2 mysql mysql 4096 9月 21 17:07 oldboy_gbk
drwx------. 2 mysql mysql 4096 9月 21 17:07 oldboy_utf8
drwx------. 2 mysql mysql 4096 9月 19 01:02 performance_schema
[root@localhost bak]# mysql -uroot -pdubin
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.32-log Source distribution
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> use oldboy
Database changed
mysql> show tables;
+------------------+
| Tables_in_oldboy |
+------------------+
| SC |
| course |
| student |
| test |
| test1 |
+------------------+
5 rows in set (0.00 sec)
mysql> select *from test;
+----+---------+
| id | name |
+----+---------+
| 1 | oldboy |
| 2 | oldgirl |
| 3 | inca |
| 4 | zuma |
| 5 | kaka |
+----+---------+
5 rows in set (0.00 sec)
mysql> insert into test1 values(5);
Query OK, 1 row affected (0.12 sec)
mysql> select *from test1;
+------+
| id |
+------+
| 2 |
| 3 |
| 2 |
| 5 |
+------+
4 rows in set (0.00 sec)
mysql> insert into test1 values(4);
Query OK, 1 row affected (0.00 sec)
mysql> select *from test1;
+------+
| id |
+------+
| 2 |
| 3 |
| 2 |
| 5 |
| 4 |
+------+
5 rows in set (0.00 sec)
mysql> update test set id=1 where id=3;
ERROR 1062 (23000): Duplicate entry '1' for key 'PRIMARY'
mysql> update test1 set id=1 where id=3;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> select *from test1;
+------+
| id |
+------+
| 2 |
| 1 |
| 2 |
| 5 |
| 4 |
+------+
5 rows in set (0.00 sec)
mysql> quit
Bye
[root@localhost bak]# ll /application/mysql/data/
总用量 29292
-rw-r--r--. 1 root root 2014 9月 20 22:24 bin.sql
-rw-rw----. 1 mysql mysql 18874368 9月 21 20:42 ibdata1
-rw-rw----. 1 mysql mysql 5242880 9月 21 20:42 ib_logfile0
-rw-rw----. 1 mysql mysql 5242880 9月 19 01:03 ib_logfile1
-rw-r-----. 1 mysql root 21685 9月 21 17:46 localhost.localdomain.err
-rw-rw----. 1 mysql mysql 5 9月 21 17:46 localhost.localdomain.pid
drwx------. 2 mysql mysql 4096 9月 21 17:07 mysql
-rw-rw----. 1 mysql mysql 547 9月 20 22:18 mysqlbin_oldboy.000001
-rw-rw----. 1 mysql mysql 556247 9月 21 17:44 mysqlbin_oldboy.000002
-rw-rw----. 1 mysql mysql 126 9月 21 17:46 mysqlbin_oldboy.000003
-rw-rw----. 1 mysql mysql 679 9月 21 20:42 mysqlbin_oldboy.000004
-rw-rw----. 1 mysql mysql 100 9月 21 17:46 mysqlbin_oldboy.index
drwx------. 2 mysql mysql 4096 9月 21 17:26 oldboy
drwx------. 2 mysql mysql 4096 9月 21 17:07 oldboy_gbk
drwx------. 2 mysql mysql 4096 9月 21 17:07 oldboy_utf8
drwx------. 2 mysql mysql 4096 9月 19 01:02 performance_schema
[root@localhost bak]# cd /application/mysql/data/
[root@localhost data]# cat mysqlbin_oldboy.000004 ]Fststd!!!oldboyinsert into test1 values(5)] ]Fstd!!!oldboyBEGIN]\ȁstd!!!oldboyinsert into test1 values(4)]
]Fstd!!!oldboyBEGIN¿]astd!!!oldboyupdate test1 set id=1 where id=3¿][root@localhost data]#
[root@localhost data]# mysqlbinlog mysqlbin_oldboy.000004
/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=1*/;
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
DELIMITER /*!*/;
# at 4
#190921 17:46:21 server id 1 end_log_pos 107 Start: binlog v 4, server v 5.5.32-log created 190921 17:46:21 at startup
# Warning: this binlog is either in use or was not closed properly.
ROLLBACK/*!*/;
BINLOG '
bfGFXQ8BAAAAZwAAAGsAAAABAAQANS41LjMyLWxvZwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAABt8YVdEzgNAAgAEgAEBAQEEgAAVAAEGggAAAAICAgCAA==
'/*!*/;
# at 107
#190921 20:41:38 server id 1 end_log_pos 177 Query thread_id=2 exec_time=0 error_code=0
SET TIMESTAMP=1569069698/*!*/;
SET @@session.pseudo_thread_id=2/*!*/;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=0, @@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=33/*!*/;
SET @@session.lc_time_names=0/*!*/;
SET @@session.collation_database=DEFAULT/*!*/;
BEGIN
/*!*/;
# at 177
#190921 20:41:38 server id 1 end_log_pos 269 Query thread_id=2 exec_time=0 error_code=0
use `oldboy`/*!*/;
SET TIMESTAMP=1569069698/*!*/;
insert into test1 values(5)
/*!*/;
# at 269
#190921 20:41:38 server id 1 end_log_pos 296 Xid = 9
COMMIT/*!*/;
# at 296
#190921 20:41:49 server id 1 end_log_pos 366 Query thread_id=2 exec_time=0 error_code=0
SET TIMESTAMP=1569069709/*!*/;
BEGIN
/*!*/;
# at 366
#190921 20:41:49 server id 1 end_log_pos 458 Query thread_id=2 exec_time=0 error_code=0
SET TIMESTAMP=1569069709/*!*/;
insert into test1 values(4)
/*!*/;
# at 458
#190921 20:41:49 server id 1 end_log_pos 485 Xid = 11
COMMIT/*!*/;
# at 485
#190921 20:42:39 server id 1 end_log_pos 555 Query thread_id=2 exec_time=0 error_code=0
SET TIMESTAMP=1569069759/*!*/;
BEGIN
/*!*/;
# at 555
#190921 20:42:39 server id 1 end_log_pos 652 Query thread_id=2 exec_time=0 error_code=0
SET TIMESTAMP=1569069759/*!*/;
update test1 set id=1 where id=3
/*!*/;
# at 652
#190921 20:42:39 server id 1 end_log_pos 679 Xid = 14
COMMIT/*!*/;
DELIMITER ;
# End of log file
ROLLBACK /* added by mysqlbinlog */;
/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=0*/;
[root@localhost data]# mysql -uroot -pdubin
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.5.32-log Source distribution
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.5、mysqlbinlog -d 数据库 数据库日志分库
mysql> create table oldgirl(name char(10));
Query OK, 0 rows affected (0.16 sec)
mysql> insert into oldgirl values("oldgirl");
Query OK, 1 row affected (0.01 sec)
mysql> insert into oldgirl values("ddddd");
Query OK, 1 row affected (0.00 sec)
mysql> select * from oldgirl;
+---------+
| name |
+---------+
| oldgirl |
| ddddd |
+---------+
2 rows in set (0.00 sec)
[root@localhost data]# mysqlbinlog mysqlbin_oldboy.000004 >all.sql
[root@localhost data]# less all.sql
[root@localhost data]# mysqlbinlog -d oldboy mysqlbin_oldboy.000004 >oldboy.sql
[root@localhost data]# vimdiff oldboy.sql all.sql
二、基于位置点和时间点的增量恢复
1、指定开始位置和结束位置（不指定开始位置是从头开始，不指定结束位置是到结尾）
2、指定开始时间和结束时间（与上述同理）（-r 代表大于号）
来源：oschina
链接：https://my.oschina.net/u/4294821/blog/4114900