innodb_adaptive_hash_index

Overview

In 23.08 ES, 23.07 ES, 10.6 ES, 10.6 CS, 10.5 ES, 10.5 CS:

Enable InnoDB adaptive hash index (disabled by default).

In 23.08 ES, 23.07 ES, 10.6 ES, 10.5 ES:

Enable InnoDB adaptive hash index (disabled by default).

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

Enable InnoDB adaptive hash index (enabled by default). Disable with --skip-innodb-adaptive-hash-index.

In 10.4 ES:

Enable InnoDB adaptive hash index (enabled by default). Disable with --skip-innodb-adaptive-hash-index.

USAGE

DETAILS

In MariaDB Server 10.5 and above the innodb-adaptive-hash-index is disabled by default. innodb-adaptive-hash-index=OFF is the recommended setting.

Enabling innodb-adaptive-hash-index can make server response time unpredictable.

SYNONYMS

SCHEMA

PARAMETERS

Command-line

--innodb_adaptive_hash_index[={OFF|ON}]

Configuration file

Supported

Dynamic

Yes

Scope

Global

Data Type

BOOLEAN (OFF, ON)

Product Default Value

OFF

SKYSQL

Cloud

SkySQL Topology

ES Ver

Service Default

AWS

Multi-Node Analytics

10.6

OFF

Single Node Analytics

10.6

OFF

Replicated Transactions

10.4

OFF

10.5

OFF

10.6

OFF

Single Node Transactions

10.4

OFF

10.5

OFF

10.6

OFF

GCP

Multi-Node Analytics

10.6

OFF

Single Node Analytics

10.6

OFF

Replicated Transactions

10.4

OFF

10.5

OFF

10.6

OFF

Single Node Transactions

10.4

OFF

10.5

OFF

10.6

OFF

Cloud

SkySQL Topology

ES Ver

Service Default

AWS

ColumnStore Data Warehouse

10.6

OFF

Enterprise Server With Replica(s)

10.4

OFF

10.5

OFF

10.6

OFF

Enterprise Server Single Node

10.4

OFF

10.5

OFF

10.6

OFF

GCP

ColumnStore Data Warehouse

10.6

OFF

Enterprise Server With Replica(s)

10.4

OFF

10.5

OFF

10.6

OFF

Enterprise Server Single Node

10.4

OFF

10.5

OFF

10.6

OFF

PRIVILEGES

EXAMPLES

ERROR HANDLING

FEATURE INTERACTION

RESPONSES

DIAGNOSIS

ISO 9075:2016

CHANGE HISTORY

Release Series

History

23.08 Enterprise

  • Present starting in MariaDB Enterprise Server 23.08.0.

23.07 Enterprise

  • Present starting in MariaDB Enterprise Server 23.07.0.

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

  • Default value changed in MariaDB Enterprise Server 10.5.3-1 from ON to OFF

10.5 Community

  • Default value changed in MariaDB Community Server 10.5.0 from ON to OFF

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

23.08 Enterprise

  • Present starting in MariaDB Enterprise Server 23.08.0.

23.07 Enterprise

  • Present starting in MariaDB Enterprise Server 23.07.0.

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.5 Enterprise

  • Default value changed in MariaDB Enterprise Server 10.5.3-1 from ON to OFF

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

EXTERNAL REFERENCES