Percona Data Recovery Tool for InnoDB工具恢复单表的案例

标签： percona data recovery | 发表时间：2013-08-31 00:13 | 作者：songxixi

出处：http://blog.csdn.net

今天上班有个朋友询问我，相关Percona Data Recovery Tool for InnoDB恢复数据中的一些问题，比如说delete，没法恢复数据，原先做过类似的异常处理就，再次模拟了下相关的恢复操作流程，仅供学习使用；相关的配置工具策略网上很多，这里我就一笔带过了，不再进行详述，下面就开始梳理相关的细节问题；

[root@Mysql64 local]# mysql -uroot -proot
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 33
Server version: 5.5.28-log Source distribution

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> create database gg;
ERROR 1007 (HY000): Can't create database 'gg'; database exists
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| cacti |
| gg |
| mysql |
| performance_schema |
| temp |
| test |
+--------------------+
7 rows in set (0.12 sec)

mysql> use gg;
Database changed
mysql> show tables;
Empty set (0.00 sec)

mysql> create table a select * from mysql.user;
Query OK, 12 rows affected (0.17 sec)
Records: 12 Duplicates: 0 Warnings: 0
mysql> delete from a;
Query OK, 12 rows affected (0.12 sec)

mysql> select * from a;
Empty set (0.00 sec)

mysql>
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]# ./page_parser -5 -f /usr/local/mysql/data/gg/a.ibd
Opening file: /usr/local/mysql/data/gg/a.ibd:
64768 ID of device containing file
5836121 inode number
33200 protection
1 number of hard links
500 user ID of owner
500 group ID of owner
0 device ID (if special file)
98304 total size, in bytes
4096 blocksize for filesystem I/O
200 number of blocks allocated
1377829472 time of last access
1377831011 time of last modification
1377831011 time of last status change
98304 Size to process in bytes
104857600 Disk cache size in bytes
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]#
./create_defs.pl --host=localhost --user=root --password=root --db=gg --table=a > include/table_defs.h
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]# cat include/table_defs.h
can_be_null: FALSE,
uint_min_val: 0,
uint_max_val: 4294967295ULL
},

can_be_null: FALSE
},
{ /* char(64) */
name: "plugin",
type: FT_CHAR,
min_length: 64,
max_length: 192,

has_limits: FALSE,
limits: {
can_be_null: TRUE,
char_min_len: 0,
char_max_len: 192,
char_ascii_only: TRUE
},

can_be_null: TRUE
},
{ /* text */
name: "authentication_string",
type: FT_TEXT,
min_length: 0,
max_length: 65535,

has_limits: FALSE,
limits: {
can_be_null: TRUE,
char_min_len: 0,
char_max_len: 65535,
char_ascii_only: TRUE
},

can_be_null: TRUE
},
{ type: FT_NONE }
}
},
};

#endif
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]#
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]# ./constraints_parser -5 -D -f pages-1377849796/FIL_PAGE_INDEX/0-18/0-00000003.page
LOAD DATA INFILE '/usr/local/percona-data-recovery-tool-for-innodb-0.5/dumps/default/SYS_TABLES' REPLACE INTO TABLE `SYS_TABLES` FIELDS TERMINATED BY '\t' OPTIONALLY ENCLOSED BY '"' LINES STARTING BY 'SYS_TABLES\t' (NAME, ID, N_COLS, TYPE, MIX_ID, MIX_LEN, CLUSTER_NAME, SPACE);
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]# make
gcc -DHAVE_OFFSET64_T -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE=1 -D_LARGEFILE_SOURCE=1 -Wall -O3 -g -I include -I mysql-source/include -I mysql-source/innobase/include -c tables_dict.c -o lib/tables_dict.o
gcc -DHAVE_OFFSET64_T -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE=1 -D_LARGEFILE_SOURCE=1 -Wall -O3 -g -I include -I mysql-source/include -I mysql-source/innobase/include -c print_data.c -o lib/print_data.o
gcc -DHAVE_OFFSET64_T -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE=1 -D_LARGEFILE_SOURCE=1 -Wall -O3 -g -I include -I mysql-source/include -I mysql-source/innobase/include -c check_data.c -o lib/check_data.o
gcc -DHAVE_OFFSET64_T -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE=1 -D_LARGEFILE_SOURCE=1 -Wall -O3 -g -I include -I mysql-source/include -I mysql-source/innobase/include -o constraints_parser constraints_parser.c lib/tables_dict.o lib/print_data.o lib/check_data.o lib/libut.a lib/libmystrings.a
gcc -DHAVE_OFFSET64_T -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE=1 -D_LARGEFILE_SOURCE=1 -Wall -O3 -g -I include -I mysql-source/include -I mysql-source/innobase/include -static -lrt -o page_parser page_parser.c lib/tables_dict.o lib/libut.a
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]#
这里需要重新编译才可以生产，不能只变异一次，不然后期你会看不到数据都为空值的；记住这里需要进行2次make哦，不能少一次！
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]# ./constraints_parser -5 -f pages-1377849796/FIL_PAGE_INDEX/0-18/0-00000003.page
a "localhost " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 00 0 0 " " ""
a "Mysql64 " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 00 0 0 " " ""
a "127.0.0.1 " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 00 0 0 " " ""
a "::1 " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 00 0 0 " " ""
a "localhost " " " " " "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "" 00 0 0 " " NULL
a "Mysql64 " " " " " "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "" 00 0 0 " " NULL
a "localhost " "cacti " "*43DD7940383044FBDE5B177730FAD3405BC6DAD7" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "" 00 0 0 " " NULL
a "192.168.155.229 " "cacti " "*43DD7940383044FBDE5B177730FAD3405BC6DAD7" "N" "N" "N" "N" "N" "N" "N" "N" "Y" "N" "N" "N" "N" "N" "N" "Y" "N" "N" "N" "N" "Y" "N" "N" "N" "N" "N" "N" "N" "N" "" 00 0 0 " " NULL
a "% " "cacti " "*43DD7940383044FBDE5B177730FAD3405BC6DAD7" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "N" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 00 0 0 " " NULL
a "127.0.0.1 " "cacti " "*43DD7940383044FBDE5B177730FAD3405BC6DAD7" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "" 00 0 0 " " NULL
a "*.* " "cacti " " " "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 00 0 0 " " NULL
a "% " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 00 0 0 " " NULL
LOAD DATA INFILE '/usr/local/percona-data-recovery-tool-for-innodb-0.5/dumps/default/a' REPLACE INTO TABLE `a` FIELDS TERMINATED BY '\t' OPTIONALLY ENCLOSED BY '"' LINES STARTING BY 'a\t' (Host, User, Password, Select_priv, Insert_priv, Update_priv, Delete_priv, Create_priv, Drop_priv, Reload_priv, Shutdown_priv, Process_priv, File_priv, Grant_priv, References_priv, Index_priv, Alter_priv, Show_db_priv, Super_priv, Create_tmp_table_priv, Lock_tables_priv, Execute_priv, Repl_slave_priv, Repl_client_priv, Create_view_priv, Show_view_priv, Create_routine_priv, Alter_routine_priv, Create_user_priv, Event_priv, Trigger_priv, Create_tablespace_priv, ssl_type, @var_ssl_cipher, @var_x509_issuer, @var_x509_subject, max_questions, max_updates, max_connections, max_user_connections, plugin, authentication_string)
SET
ssl_cipher = UNHEX(@var_ssl_cipher),
x509_issuer = UNHEX(@var_x509_issuer),
x509_subject = UNHEX(@var_x509_subject);
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]#
结下了看到了我从ibd里面删除的数据，我要把它放到一个目录内，记住这里我需要放到含有mysql访问的目录内，原先我存放在tmp啊，data目录啊都不行，最后放在mysql权限内的目录就可以了；
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]# ./constraints_parser -5 -f pages-1377849796/FIL_PAGE_INDEX/0-18/0-00000003.page > /usr/local/mysql/data/find.sql
LOAD DATA INFILE '/usr/local/percona-data-recovery-tool-for-innodb-0.5/dumps/default/a' REPLACE INTO TABLE `a` FIELDS TERMINATED BY '\t' OPTIONALLY ENCLOSED BY '"' LINES STARTING BY 'a\t' (Host, User, Password, Select_priv, Insert_priv, Update_priv, Delete_priv, Create_priv, Drop_priv, Reload_priv, Shutdown_priv, Process_priv, File_priv, Grant_priv, References_priv, Index_priv, Alter_priv, Show_db_priv, Super_priv, Create_tmp_table_priv, Lock_tables_priv, Execute_priv, Repl_slave_priv, Repl_client_priv, Create_view_priv, Show_view_priv, Create_routine_priv, Alter_routine_priv, Create_user_priv, Event_priv, Trigger_priv, Create_tablespace_priv, ssl_type, @var_ssl_cipher, @var_x509_issuer, @var_x509_subject, max_questions, max_updates, max_connections, max_user_connections, plugin, authentication_string)
SET
ssl_cipher = UNHEX(@var_ssl_cipher),
x509_issuer = UNHEX(@var_x509_issuer),
x509_subject = UNHEX(@var_x509_subject);
[root@Mysql64 percona-data-recovery-tool-for-innodb-0.5]#
查询目录的内容是否正确；
[root@Mysql64 data]# pwd
/usr/local/mysql/data
[root@Mysql64 data]# ll -h | grep find*
-rw-r--r-- 1 root root 3.9K 08-30 16:31 find.sql 看到是有数据的有3.9k左右大小，当然这里是测试数据量比较小(mysql.user的数据量)！
[root@Mysql64 data]#
[root@Mysql64 data]# vi find.sql ---看看内容；
a "localhost " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 0 0 0 0 " " ""
a "Mysql64 " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 0 0 0 0 " " ""
a "127.0.0.1 " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 0 0 0 0 " " ""
a "::1 " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 0 0 0 0 " " ""
a "localhost " " " " " "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "" 0 0 0 0 " " NULL
a "Mysql64 " " " " " "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "" 0 0 0 0 " " NULL
a "localhost " "cacti " "*43DD7940383044FBDE5B177730FAD3405BC6DAD7" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "" 0 0 0 0 " " NULL
a "192.168.155.229 " "cacti " "*43DD7940383044FBDE5B177730FAD3405BC6DAD7" "N" "N" "N" "N" "N" "N" "N" "N" "Y" "N" "N" "N" "N" "N" "N" "Y" "N" "N" "N" "N" "Y" "N" "N" "N" "N" "N" "N" "N" "N" "" 0 0 0 0 " " NULL
a "% " "cacti " "*43DD7940383044FBDE5B177730FAD3405BC6DAD7" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "N" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 0 0 0 0 " " NULL
a "127.0.0.1 " "cacti " "*43DD7940383044FBDE5B177730FAD3405BC6DAD7" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "N" "" 0 0 0 0 " " NULL
a "*.* " "cacti " " " "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 0 0 0 0 " " NULL
a "% " "root " "*81F5E21E35407D884A6CD4A731AEBFB6AF209E1B" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "Y" "" 0 0 0 0 " " NULL
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[root@Mysql64 data]# 下面我们需要把sql文件内的文本load到我们的库内；这里我需要提出的是load的路径，要进行设置下；上面我在导入的时候估计变量忘记设置，导致出现部分失误，这里需要做的同学注意下；
mysql> use gg;
Database changed
mysql> select * from a;
Empty set (0.00 sec)

mysql> LOAD DATA INFILE '/usr/local/mysql/data/find.sql' REPLACE INTO TABLE `a` FIELDS TERMINATED BY '\t' OPTIONALLY ENCLOSED BY '"' LINES STARTING BY 'a\t' (Host, User, Password, Select_priv, Insert_priv, Update_priv, Delete_priv, Create_priv, Drop_priv, Reload_priv, Shutdown_priv, Process_priv, File_priv, Grant_priv, References_priv, Index_priv, Alter_priv, Show_db_priv, Super_priv, Create_tmp_table_priv, Lock_tables_priv, Execute_priv, Repl_slave_priv, Repl_client_priv, Create_view_priv, Show_view_priv, Create_routine_priv, Alter_routine_priv, Create_user_priv, Event_priv, Trigger_priv, Create_tablespace_priv, ssl_type, @var_ssl_cipher, @var_x509_issuer, @var_x509_subject, max_questions, max_updates, max_connections, max_user_connections, plugin, authentication_string)
-> SET
-> ssl_cipher = UNHEX(@var_ssl_cipher),
-> x509_issuer = UNHEX(@var_x509_issuer),
-> x509_subject = UNHEX(@var_x509_subject);
Query OK, 12 rows affected (0.03 sec)
Records: 12 Deleted: 0 Skipped: 0 Warnings: 0

mysql> select * from a;
+-----------------+-------+-------------------------------------------+-------------+-------------+-------------+-------------+-------------+-----------+-------------+---------------+--------------+-----------+------------+-----------------+------------+------------+--------------+------------+-----------------------+------------------+--------------+-----------------+------------------+------------------+----------------+---------------------+--------------------+------------------+------------+--------------+------------------------+----------+------------+-------------+--------------+---------------+-------------+-----------------+----------------------+--------+-----------------------+
| Host | User | Password | Select_priv | Insert_priv | Update_priv | Delete_priv | Create_priv | Drop_priv | Reload_priv | Shutdown_priv | Process_priv | File_priv | Grant_priv | References_priv | Index_priv | Alter_priv | Show_db_priv | Super_priv | Create_tmp_table_priv | Lock_tables_priv | Execute_priv | Repl_slave_priv | Repl_client_priv | Create_view_priv | Show_view_priv | Create_routine_priv | Alter_routine_priv | Create_user_priv | Event_priv | Trigger_priv | Create_tablespace_priv | ssl_type | ssl_cipher | x509_issuer | x509_subject | max_questions | max_updates | max_connections | max_user_connections | plugin | authentication_string |
+-----------------+-------+-------------------------------------------+-------------+-------------+-------------+-------------+-------------+-----------+-------------+---------------+--------------+-----------+------------+-----------------+------------+------------+--------------+------------+-----------------------+------------------+--------------+-----------------+------------------+------------------+----------------+---------------------+--------------------+------------------+------------+--------------+------------------------+----------+------------+-------------+--------------+---------------+-------------+-----------------+----------------------+--------+-----------------------+
| localhost | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | | | | | 0 | 0 | 0 | 0 | | |
| Mysql64 | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | | | | | 0 | 0 | 0 | 0 | | |
| 127.0.0.1 | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | | | | | 0 | 0 | 0 | 0 | | |
| ::1 | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | | | | | 0 | 0 | 0 | 0 | | |
| localhost | | | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | | | | | 0 | 0 | 0 | 0 | | NULL |
| Mysql64 | | | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | | | | | 0 | 0 | 0 | 0 | | NULL |
| localhost | cacti | *43DD7940383044FBDE5B177730FAD3405BC6DAD7 | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | | | | | 0 | 0 | 0 | 0 | | NULL |
| 192.168.155.229 | cacti | *43DD7940383044FBDE5B177730FAD3405BC6DAD7 | N | N | N | N | N | N | N | N | Y | N | N | N | N | N | N | Y | N | N | N | N | Y | N | N | N | N | N | N | N | N | | | | | 0 | 0 | 0 | 0 | | NULL |
| % | cacti | *43DD7940383044FBDE5B177730FAD3405BC6DAD7 | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | | | | | 0 | 0 | 0 | 0 | | NULL |
| 127.0.0.1 | cacti | *43DD7940383044FBDE5B177730FAD3405BC6DAD7 | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | | | | | 0 | 0 | 0 | 0 | | NULL |
| *.* | cacti | | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | | | | | 0 | 0 | 0 | 0 | | NULL |
| % | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | | | | | 0 | 0 | 0 | 0 | | NULL |
+-----------------+-------+-------------------------------------------+-------------+-------------+-------------+-------------+-------------+-----------+-------------+---------------+--------------+-----------+------------+-----------------+------------+------------+--------------+------------+-----------------------+------------------+--------------+-----------------+------------------+------------------+----------------+---------------------+--------------------+------------------+------------+--------------+------------------------+----------+------------+-------------+--------------+---------------+-------------+-----------------+----------------------+--------+-----------------------+
12 rows in set (0.00 sec)

mysql>

作者：songxixi 发表于2013-8-30 16:47:25 原文链接

阅读：72 评论：0 查看评论

Percona Data Recovery Tool for InnoDB工具恢复单表的案例

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昨晚收到一则求助，一个用户的本地数据库的重要数据由于误操作被删除，需要进行紧急恢复，用户的数据库日常并没有进行过任何备份，binlog也没有开启，所以从备份和binlog入手已经成为不可能，咨询了丁奇，发了一篇percona的文章给我，顿时感觉有希望，于是到percona的官网上下载了恢复工具：.

[来自异次元] MiniTool Power Data Recovery 支持Win与Mac的免费数据删除格式化文件恢复工具

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Percona Xtrabackup MySQL 全备

- - CSDN博客数据库推荐文章

作者：ylqmf 发表于2013-3-24 17:29:55 原文链接. 阅读：99 评论：0 查看评论.

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Percona XtraBackup InnoDB 備份工具

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大家可以選擇透過 yum 或 apt Repository 方式安裝，下面介紹 apt 方式即可. 將 apt 伺服器寫入 /etc/apt/sources.list. VERSION 請至換 Ubuntu Server 版號，如果您想測試實驗性版本請加入底下連結. 根據不同的 MySQL 版本來選擇 XtraBackup 指令，可以參考 Choosing the Right Binary，所以大家不要用錯指令了.

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　　Percona XtraBackup是一款开放源码，免费的MySQL热备份软件，以非阻塞方式执行备份InnoDB和XtraDB为存储引擎的数据库，是商业备份工具InnoDB Hotbackup的一个很好的替代品. 作者的前一家公司就花了不菲美元买了Hotbackup产品. 下载地址： http://www.searchdatabase.com.cn/softwaredownload_10241.htm.

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- - 小惡魔 - 電腦技術 - 工作筆記 - AppleBOY

本篇文章紀錄安裝 Percona XtraDB Cluster (簡稱 PXC) 及搭配 HAProxy 做分散流量系統，其實在業界已經很常看到 HAProxy + MySQL Cluster Database 解決方案，HAProxy 幫您解決負載平衡，並且偵測系統是否存活，管理者也就不用擔心 MySQL 服務是否會掛掉.

Loading Data into Hive - Pentaho Big Data - Pentaho Wiki

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Using the external option, you could define a Hive table that simply uses the HDFS directory that contains the parsed file. For this how-to, we chose not to use the external option so that you can see the ease with which files can be added to non-external Hive tables..

Percona 的 MySQL High Availability 機制比較文

- - Gea-Suan Lin's BLOG

Percona 發了一篇「 High-availability options for MySQL, October 2013 update」，比較目前 MySQL 上常見的 High Availability 機制. 這些都是把 High Availability 做在 MySQL 上，讓前端的程式不需要操心的方式.

Percona Data Recovery Tool for InnoDB工具恢复单表的案例

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