read_rnd_buffer_size

Overview

When reading rows in sorted order after a sort, the rows are read through this buffer to avoid a disk seeks

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

--read_rnd_buffer_size=#

Configuration file

Supported

Dynamic

Yes

Scope

Global, Session

Data Type

BIGINT UNSIGNED

Minimum Value

1

Maximum Value

2147483647

Default Value

262144

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

262144

AWS

HA (Primary/Replica)

10.5

262144

AWS

Transactional Standalone

10.4

262144

AWS

Transactional Standalone

10.5

262144

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

262144

GCP

ColumnStore Multi

10.5

262144

GCP

Galera

10.4

262144

GCP

Galera

10.5

262144

GCP

HA (Primary/Replica)

10.4

262144

GCP

HA (Primary/Replica)

10.5

262144

GCP

HTAP

10.5

262144

GCP

Transactional Standalone

10.4

262144

GCP

Transactional Standalone

10.5

262144

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

  • 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