innodb_lock_schedule_algorithm
This page is part of MariaDB's Enterprise Documentation.
The parent of this page is: System Variables for MariaDB Enterprise Server
Topics on this page:
Overview
- In 10.6 ES, 10.6 CS:
Not present
- In 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:
The algorithm Innodb uses for deciding which locks to grant next when a lock is released. Possible values are FCFS grant the locks in First-Come-First-Served order; VATS use the Variance-Aware-Transaction-Scheduling algorithm, which uses an Eldest-Transaction-First heuristic.
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_lock_schedule_algorithm={fcfs| |
Configuration file | Supported |
Dynamic | No |
Scope | Global |
Data Type | ENUM (fcfs, vats) |
Default Value | fcfs |
CHANGE HISTORY
Release Series | History |
---|---|
10.6 Enterprise |
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10.6 Community |
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10.5 Enterprise |
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10.5 Community |
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10.4 Enterprise |
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10.4 Community |
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10.3 Enterprise |
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10.3 Community |
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10.2 Enterprise |
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10.2 Community |
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EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.
Information specific to MariaDB SkySQL can be found on the innodb_lock_schedule_algorithm page in the SkySQL Documentation.