innodb_flush_method

With which method to flush data.

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_flush_method={fsync|O_DSYNC|littlesync|nosync|O_DIRECT|O_DIRECT_NO_FSYNC}

Configuration file

Supported

Dynamic

No

Scope

Global

Data Type

ENUM (fsync, O_DSYNC, littlesync, nosync, O_DIRECT, O_DIRECT_NO_FSYNC)

Default Value

O_DIRECT

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

O_DIRECT

AWS

HA (Primary/Replica)

10.5

O_DIRECT

AWS

Transactional Standalone

10.4

O_DIRECT

AWS

Transactional Standalone

10.5

O_DIRECT

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

fsync

GCP

ColumnStore Multi

10.5

fsync

GCP

Galera

10.4

O_DIRECT

GCP

Galera

10.5

O_DIRECT

GCP

HA (Primary/Replica)

10.4

O_DIRECT

GCP

HA (Primary/Replica)

10.5

O_DIRECT

GCP

HTAP

10.5

fsync

GCP

Transactional Standalone

10.4

O_DIRECT

GCP

Transactional Standalone

10.5

O_DIRECT

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

  • Default value changed in MariaDB Enterprise Server 10.6.4-1 from fsync to O_DIRECT

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.

  • Default value changed in MariaDB Community Server 10.3.7 from "" (empty) to fsync

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