optimizer_selectivity_sampling_limit

Controls number of record samples to check condition selectivity

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

--optimizer_selectivity_sampling_limit=#

Configuration file

Supported

Dynamic

Yes

Scope

Global, Session

Data Type

BIGINT UNSIGNED

Minimum Value

10

Maximum Value

4294967295

Default Value

100

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

100

AWS

HA (Primary/Replica)

10.5

100

AWS

Transactional Standalone

10.4

100

AWS

Transactional Standalone

10.5

100

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

100

GCP

ColumnStore Multi

10.5

100

GCP

Galera

10.4

100

GCP

Galera

10.5

100

GCP

HA (Primary/Replica)

10.4

100

GCP

HA (Primary/Replica)

10.5

100

GCP

HTAP

10.5

100

GCP

Transactional Standalone

10.4

100

GCP

Transactional Standalone

10.5

100

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