Myloader Usage


myloader --directory = /path/to/mydumper/backup [OPTIONS]


myloader is a tool used for multi-threaded restoration of mydumper backups.


The myloader tool has several available options:

--help, -?

Show help text


Use the given option file. If the file does not exist or is otherwise inaccessible, no failure occurs

--host, -h

Hostname of MySQL server to connect to (default localhost)

--user, -u

MySQL username with the correct privileges to execute the restoration

--password, -p

The corresponding password for the MySQL user

--port, -P

The port for the MySQL connection.


For localhost TCP connections use for --host.

--socket, -S

The UNIX domain socket file to use for the connection

--threads, -t

The number of threads to use for restoring data, default is 4

--version, -V

Show the program version and exit

--compress-protocol, -C

Use client protocol compression for connections to the MySQL server

--directory, -d

The directory of the mydumper backup to restore

--database, -B

An alternative database to load the dump into


For use with single database dumps. When using with multi-database dumps that have duplicate table names in more than one database it may cause errors. Alternatively this scenario may give unpredictable results with --overwrite-tables.

--source-db, -s

Database to restore, useful in combination with –database

--queries-per-transaction, -q

Number of INSERT queries to execute per transaction during restore, default is 1000.

--overwrite-tables, -o

Drop any existing tables when restoring schemas

--enable-binlog, -e

Log the data loading in the MySQL binary log if enabled (off by default)

--verbose, -v

The verbosity of messages. 0 = silent, 1 = errors, 2 = warnings, 3 = info. Default is 2.