thread_concurrency

In 10.6 ES, 10.6 CS, 10.5 ES:

Not present

In 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:

Permits the application to give the threads system a hint for the desired number of threads that should be run at the same time.This variable has no effect, and is deprecated. It will be removed in a future release.

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

--thread_concurrency=#

Configuration file

Supported

Dynamic

No

Scope

Global

Data Type

BIGINT UNSIGNED

Minimum Value

1

Maximum Value

512

Default Value

10

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

10

AWS

HA (Primary/Replica)

10.5

Not present

AWS

Transactional Standalone

10.4

10

AWS

Transactional Standalone

10.5

Not present

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

Not present

GCP

ColumnStore Multi

10.5

Not present

GCP

Galera

10.4

10

GCP

Galera

10.5

Not present

GCP

HA (Primary/Replica)

10.4

10

GCP

HA (Primary/Replica)

10.5

Not present

GCP

HTAP

10.5

Not present

GCP

Transactional Standalone

10.4

10

GCP

Transactional Standalone

10.5

Not present

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

  • Not present.

10.6 Community

  • Not present.

10.5 Enterprise

  • Removed in MariaDB Enterprise Server 10.5.3-1.

10.5 Community

  • Present starting in MariaDB Community Server 10.5.0.

  • Removed in MariaDB Community Server 10.5.1.

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