--optimizer-trace

This page is part of MariaDB's Documentation.

The parent of this page is: mariadbd & mysqld for MariaDB Enterprise Server

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Overview

This is a command-line option for the mariadbd & mysqld commands (arg: Required).

In 23.08 ES, 23.07 ES, 10.6 ES, 10.6 CS, 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES:

Controls tracing of the Optimizer: optimizer_trace=option=val[,option=val...], where option is one of {enabled} and val is one of {on, off, default}

In 10.3 CS, 10.2 ES, 10.2 CS:

Not present

See also: mariadbd & mysqld for MariaDB Enterprise Server 23.08, in 23.07 ES, in 10.6 ES, 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