--optimizer-disk-read-cost

This page is part of MariaDB's Documentation.

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

Topics on this page:

• Overview

• USAGE

• DETAILS

  • SYNONYMS

  • SCHEMA

  • PARAMETERS

  • SKYSQL

  • PRIVILEGES

• EXAMPLES

• ERROR HANDLING

• FEATURE INTERACTION

• RESPONSES

• DIAGNOSIS

• ISO 9075:2016

• CHANGE HISTORY

• RELATED TOPICS

• EXTERNAL REFERENCES

Overview

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

In 11.4 ES:

Cost of reading a block of IO_SIZE (4096) from a disk (in usec).

In 10.6 ES, 10.6 CS, 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:

Not present

See also: mariadbd & mysqld for MariaDB Enterprise Server 11.4, 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