--key-buffer-size

Overview

This is a command-line option for the mariadbd & mysqld commands (arg: Required).

The size in bytes of MyISAM key cache, which is the buffer used for MyISAM index blocks.

See also: mariadbd & mysqld for MariaDB Enterprise Server 11.4, in 10.6 ES, in 10.5 ES, in 10.4 ES, in 10.3 ES, in 10.2 ES, in 10.6 CS, in 10.5 CS, in 10.4 CS, in 10.3 CS, and in 10.2 CS

USAGE

DETAILS

The --key-buffer-size command-line option sets the size of the MyISAM key cache in bytes.

The value can be specified in a larger unit by including a suffix:

Unit

Suffix

kilobyte

K

megabyte

M

gigabyte

G

This command-line option is mapped to the key_buffer_size system variable. For additional information the system variable, see "key_buffer_size".

SYNONYMS

SCHEMA

PARAMETERS

SKYSQL

PRIVILEGES

EXAMPLES

Command-line

When MariaDB Server (mariadbd) is started via the command-line, the --key-buffer-size command-line option can be specified:

$ mariadbd .. --key-buffer-size='512M' ..

ERROR HANDLING

FEATURE INTERACTION

RESPONSES

DIAGNOSIS

ISO 9075:2016

CHANGE HISTORY

Release Series

History

11.4 Enterprise

  • Not present.

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.6 Community

  • Present starting in MariaDB Community Server 10.6.0.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.5 Community

  • Present starting in MariaDB Community Server 10.5.0.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

10.4 Community

  • Present starting in MariaDB Community Server 10.4.0.

10.3 Enterprise

  • Present starting in MariaDB Enterprise Server 10.3.16-1.

10.3 Community

  • Present starting in MariaDB Community Server 10.3.0.

10.2 Enterprise

  • Present starting in MariaDB Enterprise Server 10.2.25-1.

10.2 Community

  • Present starting in MariaDB Community Server 10.2.0.

EXTERNAL REFERENCES