[root@zhang3 mysql]# time mysqldump ab >/mkdir/back
bash: /mkdir/back: 是一個目錄
real 0m0.016s
user 0m0.001s
sys 0m0.003s
[root@zhang3 mysql]# ll /mkdir/back/
總計 0
[root@zhang3 mysql]# ll
總計 4006312
drwx------ 2 mysql mysql 4096 11-30 02:06 ab
-rw-rw---- 1 mysql mysql 227 11-29 18:21 binlog.000001
-rw-rw---- 1 mysql mysql 578582 11-30 02:06 binlog.000002
-rw-rw---- 1 mysql mysql 32 11-29 20:36 binlog.index
-rw-rw---- 1 mysql mysql 4087349248 11-30 02:06 ibdata1
-rw-rw---- 1 mysql mysql 5242880 11-30 02:06 ib_logfile0
-rw-rw---- 1 mysql mysql 5242880 11-29 11:40 ib_logfile1
drwx------ 2 mysql mysql 4096 11-28 13:02 mysql
srwxrwxrwx 1 mysql mysql 0 11-29 20:36 mysql.sock
drwx------ 2 mysql mysql 4096 11-28 13:02 test
[root@zhang3 mysql]# mkdir -pv /mkdir/back.back
mkdir: 已創建目錄 “/mkdir/back.back”
[root@zhang3 mysql]# time mydumper -B ab -h localhost -o /mkdir/back.back/ -r 1000
real 0m0.241s
user 0m0.021s
sys 0m0.022s
[root@zhang3 mysql]# mysql ab < /mkdir/back
mysql: Error reading file 'UNOPENED' (Errcode: 21)
[root@zhang3 mysql]# time mysql ab < /mkdir/back/
mysql: Error reading file 'UNOPENED' (Errcode: 21)
real 0m0.009s
user 0m0.002s
sys 0m0.006s
[root@zhang3 mysql]# time myloader -u root -d /mkdir/back.back/ -B ab;
real 0m0.689s
user 0m0.015s
sys 0m0.023s
[root@zhang3 mysql]# tail -5 /etc/passwdd