innodb_thread_concurrency

Overview

In 10.6 ES, 10.6 CS:

Not present

In 10.5 ES, 10.5 CS:

Deprecated parameter with no effect.

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

Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.

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

--innodb_thread_concurrency=#

Configuration file

Supported

Dynamic

Yes

Scope

Global

Data Type

INT UNSIGNED

Minimum Value

0

Maximum Value

1000

Default Value

0

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

0

AWS

HA (Primary/Replica)

10.5

0

AWS

Transactional Standalone

10.4

0

AWS

Transactional Standalone

10.5

0

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

0

GCP

ColumnStore Multi

10.5

0

GCP

Galera

10.4

0

GCP

Galera

10.5

0

GCP

HA (Primary/Replica)

10.4

0

GCP

HA (Primary/Replica)

10.5

0

GCP

HTAP

10.5

0

GCP

Transactional Standalone

10.4

0

GCP

Transactional Standalone

10.5

0

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

  • Removed in MariaDB Enterprise Server 10.6.4-1.

10.6 Community

  • Not present.

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