read_buffer_size

Each thread that does a sequential scan allocates a buffer of this size for each table it scans. If you do many sequential scans, you may want to increase this value

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

DETAILS

PARAMETERS

Dynamic

Yes

Scope

Global, Session

Data Type

BIGINT UNSIGNED

Minimum Value

8192

Maximum Value

2147483647

Default Value

131072

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

131072

AWS

HA (Primary/Replica)

10.5

131072

AWS

Transactional Standalone

10.4

131072

AWS

Transactional Standalone

10.5

131072

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

131072

GCP

ColumnStore Multi

10.5

131072

GCP

Galera

10.4

131072

GCP

Galera

10.5

131072

GCP

HA (Primary/Replica)

10.4

131072

GCP

HA (Primary/Replica)

10.5

131072

GCP

HTAP

10.5

131072

GCP

Transactional Standalone

10.4

131072

GCP

Transactional Standalone

10.5

131072

GCP

Distributed Transactions

10.5

Not present

CHANGE HISTORY

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

EXTERNAL REFERENCES