Detaillierte Einführung in den MySQL-Beispielcode für die Sicherung und Wiederherstellung einer einzelnen Tabelle

tar -xzvf percona-xtrabackup-2.3.4-
Linux
-x86_64.tar.gz -C /usr/local/
ln -s /usr/local/percona-xtrabackup-2.3.4 /usr/local/xtrabackup

export PATH=/usr/local/xtrabackup/bin/:$PATH

    create user backuper@'localhost' ident
if
ied by 'backup123';
        create user backuper@'127.0.0.1' identified by 'backup123';

grant reload,lock tables,replication client,process,
super
 on *.* to 'backuper'@'localhost';
        grant create,insert,select on percona_schema.xtrabackup_history to 'backuper'@'localhost';
        grant reload,lock tables,replication client,process,super on *.* to 'backuper'@'127.0.0.1';
        grant create,insert,select on percona_schema.xtrabackup_history to 'backuper'@'127.0.0.1';

select * from tempdb.dictmajor;   
select * from dictmajor;
        +--------------+-----------------+        
        | column_value | column_mean     |        
        +--------------+-----------------+        
        |            1 | 汉语言文学      |        
        |            2 | 精算            |        
        |            3 | 生物制药        |        
        |            4 | 材料化学        |        
        |            5 | 商务英语        |        
        |            6 | 考古            |        
        |            7 | 外交            |        
        |            8 | 导游            |        
        +--------------+-----------------+

innobackupex --host=127.0.0.1 --user=backuper --password=backup123 --port=3306 --include='tempdb.dictmajor' /tmp/tempdb

   tree /tmp/tempdb/
        /tmp/tempdb/
        └── 2016-09-10_18-25-16
            ├── backup-my.cnf
            ├── ibdata1
            ├── tempdb
            │   ├── dictmajor.frm
            │   └── dictmajor.ibd
            ├── xtrabackup_binlog_info
            ├── xtrabackup_checkpoints
            ├── xtrabackup_info
            └── xtrabackup_logfile

innobackupex --apply-log --export /tmp/tempdb/2016-09-10_18-25-16/

  tree /tmp/tempdb/
        /tmp/tempdb/
        └── 2016-09-10_18-25-16
            ├── backup-my.cnf
            ├── ibdata1
            ├── ib_logfile0
            ├── ib_logfile1
            ├── tempdb
            │   ├── dictmajor.cfg
            │   ├── dictmajor.exp
            │   ├── dictmajor.frm
            │   └── dictmajor.ibd
            ├── xtrabackup_binlog_info
            ├── xtrabackup_binlog_pos_innodb
            ├── xtrabackup_checkpoints
            ├── xtrabackup_info
            └── xtrabackup_logfile

  create table dictmajor(
        column_value tinyint not null,
        column_mean varchar(32) not null,
        constraint pkdictmajor primary key (column_value));

alter table tempdb.dictmajor discard tablespace;

   cp /tmp/tempdb/2016-09-10_18-25-16/tempdb/dictmajor.ibd /usr/local/mysql/data/tempdb/
        cp /tmp/tempdb/2016-09-10_18-25-16/tempdb/dictmajor.exp /usr/local/mysql/data/tempdb/
        cp /tmp/tempdb/2016-09-10_18-25-16/tempdb/dictmajor.cfg /usr/local/mysql/data/tempdb/
        chown -R mysql:mysql /usr/local/mysql/data/tempdb/*

alter table tempdb.dictmajor import tablespace;

      select * from dictmajor;
        +--------------+-----------------+
        | column_value | column_mean     |
        +--------------+-----------------+
        |            1 | 汉语言文学      |
        |            2 | 精算            |
        |            3 | 生物制药        |
        |            4 | 材料化学        |
        |            5 | 商务英语        |
        |            6 | 考古            |
        |            7 | 外交            |
        |            8 | 导游            |
        +--------------+-----------------+

  create user dumper@'127.0.0.1' identified by 'dumper123';
        grant select on *.* to dumper@'127.0.0.1';
        grant show view on *.* to dumper@'127.0.0.1';
        grant lock tables on *.* to dumper@'127.0.0.1';
        grant trigger on *.* to dumper@'127.0.0.1';

mysqldump --host=127.0.0.1 --port=3306 --user=dumper --password=dumper123 --quick tempdb dictmajor >/tmp/tempdb.dictmajor.sql