slave_parallel_threads

If non-zero, number of threads to spawn to apply in parallel events on the slave that were group-committed on the master or were logged with GTID in different replication domains. Note that these threads are in addition to the IO and SQL threads, which are always created by a replication slave

See also: System Variables 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

--slave_parallel_threads=#

Configuration file

Supported

Dynamic

Yes

Scope

Global

Data Type

BIGINT UNSIGNED

Minimum Value

0

Maximum Value

16383

Default Value

0

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

AWS

HA (Primary/Replica)

10.5

0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

AWS

Transactional Standalone

10.4

0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

AWS

Transactional Standalone

10.5

0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

AWS

Distributed Transactions

10.5

4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

ColumnStore

10.5

0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

ColumnStore Multi

10.5

0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

Galera

10.4

4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

Galera

10.5

4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

HA (Primary/Replica)

10.4

4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

HA (Primary/Replica)

10.5

4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

HTAP

10.5

0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

Transactional Standalone

10.4

4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

Transactional Standalone

10.5

4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

GCP

Distributed Transactions

10.5

4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256)

See MariaDB SkySQL documentation to learn more about the MariaDB SkySQL database as a service.

CHANGE HISTORY

Release Series

History

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