tmp_memory_table_size

Overview

If an internal in-memory temporary table exceeds this size, MariaDB will automatically convert it to an on-disk MyISAM or Aria table. Same as tmp_table_size.

See also: System Variables for MariaDB Enterprise Server 10.6, in 10.6 CS, in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS

DETAILS

PARAMETERS

Command-line

--tmp_memory_table_size=#

Configuration file

Supported

Dynamic

Yes

Scope

Global, Session

Data Type

BIGINT UNSIGNED

Minimum Value

0

Maximum Value

18446744073709551615

Default Value

16777216

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

67108864

AWS

HA (Primary/Replica)

10.5

67108864

AWS

Transactional Standalone

10.4

67108864

AWS

Transactional Standalone

10.5

67108864

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

16777216

GCP

ColumnStore Multi

10.5

16777216

GCP

Galera

10.4

67108864

GCP

Galera

10.5

67108864

GCP

HA (Primary/Replica)

10.4

67108864

GCP

HA (Primary/Replica)

10.5

67108864

GCP

HTAP

10.5

16777216

GCP

Transactional Standalone

10.4

67108864

GCP

Transactional Standalone

10.5

67108864

GCP

Distributed Transactions

10.5

Not present

See MariaDB SkySQL documentation to learn more about the MariaDB SkySQL database as a service.

CHANGE HISTORY

Release Series

History

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

  • Minimum value changed in MariaDB Enterprise Server 10.5.3-1 from 1024 to 0

10.5 Community

  • Minimum value changed in MariaDB Community Server 10.5.0 from 1024 to 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

  • Added in MariaDB Community Server 10.3.1.

10.2 Enterprise

  • Present starting in MariaDB Enterprise Server 10.2.25-1.

10.2 Community

  • Added in MariaDB Community Server 10.2.7.

EXTERNAL REFERENCES