Content
Data
license:
Version: 1.23 (in Debian 10)
Developer / Owner: Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2015 MariaDB Foundation
Short description:
The manual page and help for the mysqlhotcopy linux command. The mysqlhotcopy command is a Perl script that is used to back up databases or custom database tables through the local database file system.
Man page output
man mysqlhotcopy
MYSQLHOTCOPY(1) MariaDB Database System MYSQLHOTCOPY(1)
NAME
mysqlhotcopy - a database backup program
SYNOPSIS
mysqlhotcopy arguments
DESCRIPTION
mysqlhotcopy is a Perl script that was originally written and contributed by Tim Bunce. It uses FLUSH TABLES, LOCK TABLES,
and cp or scp to make a database backup. It is a fast way to make a backup of the database or single tables, but it can be
run only on the same machine where the database directories are located. mysqlhotcopy works only for backing up MyISAM and
ARCHIVE tables. It runs on Unix and NetWare.
To use mysqlhotcopy, you must have read access to the files for the tables that you are backing up, the SELECT privilege for
those tables, the RELOAD privilege (to be able to execute FLUSH TABLES), and the LOCK TABLES privilege (to be able to lock
the tables).
shell> mysqlhotcopy db_name [/path/to/new_directory]
shell> mysqlhotcopy db_name_1 ... db_name_n /path/to/new_directory
Back up tables in the given database that match a regular expression:
shell> mysqlhotcopy db_name./regex/
The regular expression for the table name can be negated by prefixing it with a tilde (“~”):
shell> mysqlhotcopy db_name./~regex/
mysqlhotcopy supports the following options, which can be specified on the command line or in the [mysqlhotcopy] and
[client] option file groups.
• --help, -?
Display a help message and exit.
• --addtodest
Do not rename target directory (if it exists); merely add files to it.
• --allowold
Do not abort if a target exists; rename it by adding an _old suffix.
• --checkpoint=db_name.tbl_name
Insert checkpoint entries into the specified database db_name and table tbl_name.
• --chroot=path
Base directory of the chroot jail in which mysqld operates. The path value should match that of the --chroot option
given to mysqld.
• --debug
Enable debug output.
• --dryrun, -n
Report actions without performing them.
• --flushlog
Flush logs after all tables are locked.
• --host=host_name, -h host_name
The host name of the local host to use for making a TCP/IP connection to the local server. By default, the connection is
made to localhost using a Unix socket file.
• --keepold
Do not delete previous (renamed) target when done.
• --method=command
The method for copying files (cp or scp). The default is cp.
• --noindices
Do not include full index files for MyISAM tables in the backup. This makes the backup smaller and faster. The indexes
for reloaded tables can be reconstructed later with myisamchk -rq.
• --old-server
Connect to old MySQL-server (before v5.5) which doesn't have FLUSH TABLES WITH READ LOCK fully implemented..
• --password=password, -ppassword
The password to use when connecting to the server. The password value is not optional for this option, unlike for other
MariaDB programs.
Specifying a password on the command line should be considered insecure. You can use an option file to avoid giving the
password on the command line.
• --port=port_num, -P port_num
The TCP/IP port number to use when connecting to the local server.
• --quiet, -q
Be silent except for errors.
• --record_log_pos=db_name.tbl_name
Record master and slave status in the specified database db_name and table tbl_name.
• --regexp=expr
Copy all databases with names that match the given regular expression.
• --resetmaster
Reset the binary log after locking all the tables.
• --resetslave
Reset the master.info file after locking all the tables.
• --socket=path, -S path
The Unix socket file to use for connections to localhost.
• --suffix=str
The suffix to use for names of copied databases.
• --tmpdir=path
The temporary directory. The default is /tmp.
• --user=user_name, -u user_name
The MariaDB user name to use when connecting to the server.
Use perldoc for additional mysqlhotcopy documentation, including information about the structure of the tables needed for
the --checkpoint and --record_log_pos options:
shell> perldoc mysqlhotcopy
COPYRIGHT
Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2015 MariaDB Foundation
This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public
License as published by the Free Software Foundation; version 2 of the License.
This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA or see http://www.gnu.org/licenses/.
SEE ALSO
For more information, please refer to the MariaDB Knowledge Base, available online at https://mariadb.com/kb/
AUTHOR
MariaDB Foundation (http://www.mariadb.org/).
MariaDB 10.3 9 May 2017 MYSQLHOTCOPY(1)
Help output
mysqlhotcopy --help
/usr/bin/mysqlhotcopy Ver 1.23
Usage: /usr/bin/mysqlhotcopy db_name[./table_regex/] [new_db_name | directory]
-?, --help display this help-screen and exit
-u, --user=# user for database login if not current user
-p, --password=# password to use when connecting to server (if not set
in my.cnf, which is recommended)
-h, --host=# hostname for local server when connecting over TCP/IP
-P, --port=# port to use when connecting to local server with TCP/IP
-S, --socket=# socket to use when connecting to local server
--old_server connect to old MySQL-server (before v5.5) which
doesn't have FLUSH TABLES WITH READ LOCK fully implemented.
--allowold don't abort if target dir already exists (rename it _old)
--addtodest don't rename target dir if it exists, just add files to it
--keepold don't delete previous (now renamed) target when done
--noindices don't include full index files in copy
--method=# method for copy (only "cp" currently supported)
-q, --quiet be silent except for errors
--debug enable debug
-n, --dryrun report actions without doing them
--regexp=# copy all databases with names matching regexp
--suffix=# suffix for names of copied databases
--checkpoint=# insert checkpoint entry into specified db.table
--flushlog flush logs once all tables are locked
--resetmaster reset the binlog once all tables are locked
--resetslave reset the master.info once all tables are locked
--tmpdir=# temporary directory (instead of /tmp)
--record_log_pos=# record slave and master status in specified db.table
--chroot=# base directory of chroot jail in which mysqld operates
Try 'perldoc /usr/bin/mysqlhotcopy' for more complete documentation
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