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patternsqlMinor

unknown variable 'log_slow_verbosity=query_plan'

Submitted by: @import:stackexchange-dba··
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unknownvariablelog_slow_verbosityquery_plan

Problem

What is the use of log_slow_verbosity = query_plan parameter in my.cnf ?

I got an error when installing MySQL in my machine because of this parameter.

Solution

log_slow_verbosity is for MariaDB, not MySQL

Perhaps your OS has MariaDB repos installed instead of MySQL. If you downloaded MySQL and installed it, mysqld encountered an already existing my.cnf that was for MariaDB.

Context

StackExchange Database Administrators Q#103673, answer score: 4

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