aria_pack — generate compressed, read-only Aria tables


aria_pack [OPTIONS] filename...


Pack a Aria-table to take much less space. Keys are not updated, you must run aria_chk -rq on the index (.MAI) file afterwards to update the keys. You should give the .MAI file as the filename argument. To unpack a packed table, run aria_chk -u on the table

-b, --backup

Make a backup of the table as table_name.OLD.


Directory where character sets are.

-#, --debug[=name]

Output debug log. Often this is 'd:t:o,filename'.

-f, --force

Force packing of table even if it gets bigger or if tempfile exists.

-j, --join=name

Join all given tables into 'new_table_name'. All tables MUST have identical layouts.

-?, --help

Display this help and exit.

-s, --silent

Be more silent.

-T, --tmpdir=name

Use temporary directory to store temporary table.

-t, --test

Don't pack table, only test packing it.

-v, --verbose

Write info about progress and packing result. Use many -v for more verbosity!

-V, --version

Output version information and exit.

-w, --wait

Wait and retry if table is in use.

Default options are read from the following files in the given order: /etc/my.cnf /etc/mysql/my.cnf ~/.my.cnf

The following groups are read: ariapack

The following options may be given as the first argument:


Print the program argument list and exit.


Don't read default options from any option file.


Only read default options from the given file #.


Read this file after the global files are read.

See Also


For more information, please refer to the MariaDB Knowledge Base, available online at


May 2014 aria_pack Ver 1.0