key_cache_file_hash_size

Overview

Number of hash buckets for open and changed files. If you have a lot of MyISAM files open you should increase this for faster flush of changes. A good value is probably 1/10 of number of possible open MyISAM files.

See also: System Variables for MariaDB Enterprise Server 10.6, in 10.5 ES, in 10.4 ES, in 10.3 ES, in 10.2 ES, in 10.6 CS, in 10.5 CS, in 10.4 CS, in 10.3 CS, and in 10.2 CS

See also: System Variables for MariaDB Enterprise Server 10.6, in 10.5 ES, and in 10.4 ES

USAGE

DETAILS

SYNONYMS

SCHEMA

PARAMETERS

Command-line

--key_cache_file_hash_size=#

Configuration file

Supported

Dynamic

Yes

Scope

Global

Data Type

BIGINT UNSIGNED

Minimum Value

128

Maximum Value

16384

Product Default Value

512

SKYSQL

Cloud

SkySQL Topology

ES Ver

Service Default

AWS

Multi-Node Analytics

10.6

512

Single Node Analytics

10.6

512

Replicated Transactions

10.4

512

10.5

512

10.6

512

Single Node Transactions

10.4

512

10.5

512

10.6

512

GCP

Multi-Node Analytics

10.6

512

Single Node Analytics

10.6

512

Replicated Transactions

10.4

512

10.5

512

10.6

512

Single Node Transactions

10.4

512

10.5

512

10.6

512

Cloud

SkySQL Topology

ES Ver

Service Default

AWS

ColumnStore Data Warehouse

10.6

512

Enterprise Server With Replica(s)

10.4

512

10.5

512

10.6

512

Enterprise Server Single Node

10.4

512

10.5

512

10.6

512

GCP

ColumnStore Data Warehouse

10.6

512

Enterprise Server With Replica(s)

10.4

512

10.5

512

10.6

512

Enterprise Server Single Node

10.4

512

10.5

512

10.6

512

PRIVILEGES

EXAMPLES

ERROR HANDLING

FEATURE INTERACTION

RESPONSES

DIAGNOSIS

ISO 9075:2016

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.

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

EXTERNAL REFERENCES