mysqlhotcopy - Online in the Cloud

PROGRAM:

NAME

mysqlhotcopy - a database backup program

SYNOPSIS

mysqlhotcopy arguments

DESCRIPTION

Note
This utility is deprecated in MySQL 5.6.20 and removed in MySQL 5.7

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.

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] groups of an option file. For information about option
files used by MySQL programs, see Section 4.2.6, “Using Option Files”.

· --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.

· --password=password, -ppassword

The password to use when connecting to the server. The password value is not optional
for this option, unlike for other MySQL programs.

Specifying a password on the command line should be considered insecure. See
Section 6.1.2.1, “End-User Guidelines for Password Security”. 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.

· --old_server

In MySQL 5.6, mysqlhotcopy uses FLUSH TABLES tbl_list WITH READ LOCK to flush and lock
tables. Use the --old_server option if the server is older than 5.5.3, which is when
that statement was introduced.

· --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 repository file or table 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 MySQL 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 © 1997, 2014, Oracle and/or its affiliates. All rights reserved.

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 02110-1301 USA or see http://www.gnu.org/licenses/.

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