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Version 1.9.1 Incorrectly reporting performance schema is off #580

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Recommendation to turn on performance_schema #579
This commit is contained in:
Jean-Marie Renouard 2022-02-07 22:48:37 +01:00
parent 55cdf92f8b
commit 2b44229a8e
1 changed files with 25 additions and 32 deletions
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57
mysqltuner.pl
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@ -1,5 +1,5 @@
#!/usr/bin/env perl
# mysqltuner.pl - Version 1.9.1
# mysqltuner.pl - Version 1.9.2
# High Performance MySQL Tuning Script
# Copyright (C) 2006-2022 Major Hayden - major@mhtx.net
#
@ -56,7 +56,7 @@ use Cwd 'abs_path';
#use Env;
# Set up a few variables for use in the script
my $tunerversion = "1.9.1";
my $tunerversion = "1.9.2";
my ( @adjvars, @generalrec );
# Set defaults
@ -3799,47 +3799,40 @@ sub mysqsl_pfs {
subheaderprint "Performance schema";
# Performance Schema
$myvar{'performance_schema'} = 'OFF'
unless defined( $myvar{'performance_schema'} );
$myvar{'performance_schema'} = 'OFF' unless defined( $myvar{'performance_schema'} );
if ( $myvar{'performance_schema'} eq 'OFF' ) {
badprint "Performance_schema should be activated.";
push( @adjvars, "performance_schema=ON" );
push( @generalrec,
"Performance schema should be activated for better diagnostics" );
}
else {
infoprint "Performance_schema is activated.";
}
# IF PFS is eanbled
unless ( $myvar{'performance_schema'} ne 'ON' ) {
if ( $myvar{'performance_schema'} eq 'OFF' ) {
infoprint "Performance schema is disabled.";
# REc enable PFS for diagnostics only
if ( mysql_version_ge( 5, 6 ) ) {
push( @generalrec,
"Performance schema should be activated for better diagnostics"
);
push( @adjvars, "performance_schema = ON enable PFS" );
}
badprint "Performance_schema should be activated.";
push( @adjvars, "performance_schema=ON" );
push( @generalrec,
"Performance schema should be activated for better diagnostics" );
}
else {
if ( $myvar{'performance_schema'} eq 'ON' ) {
infoprint "Performance_schema is activated.";
debugprint "Performance schema is " . $myvar{'performance_schema'};
infoprint "Memory used by P_S: " . hr_bytes( get_pf_memory() );
if ( mysql_version_le( 5, 5 ) ) {
push( @generalrec,
"Performance schema shouldn't be activated for MySQL and MariaDB 5.5 and lower version"
);
push( @generalrec,
"Performance schema shouldn't be activated for MySQL and MariaDB 5.5 and lower version"
);
push( @adjvars, "performance_schema = OFF disable PFS" );
}
}
debugprint "Performance schema is " . $myvar{'performance_schema'};
infoprint "Memory used by P_S: " . hr_bytes( get_pf_memory() );
if ( mysql_version_eq( 10, 0 ) ) {
push( @generalrec,
"Performance schema shouldn't be activated for MariaDB 10.0 for performance issue"
);
push( @adjvars, "performance_schema = OFF" );
return;
if ( mysql_version_eq( 10, 0 ) ) {
push( @generalrec,
"Performance schema shouldn't be activated for MariaDB 10.0 for performance issue"
);
push( @adjvars, "performance_schema = OFF" );
return;
}
}
unless ( grep /^sys$/, select_array("SHOW DATABASES") ) {
@ -6828,7 +6821,7 @@ __END__
=head1 NAME
MySQLTuner 1.9.1 - MySQL High Performance Tuning Script
MySQLTuner 1.9.2 - MySQL High Performance Tuning Script
=head1 IMPORTANT USAGE GUIDELINES