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Query cache should be disabled #159

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root 2016-03-16 16:53:30 +01:00
parent cb1a1f67a6
commit c0be38eb89
1 changed files with 12 additions and 3 deletions
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15
mysqltuner.pl
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@ -1,5 +1,5 @@
#!/usr/bin/env perl #!/usr/bin/env perl
# mysqltuner.pl - Version 1.6.5 # mysqltuner.pl - Version 1.6.6
# High Performance MySQL Tuning Script # High Performance MySQL Tuning Script
# Copyright (C) 2006-2015 Major Hayden - major@mhtx.net # Copyright (C) 2006-2015 Major Hayden - major@mhtx.net
# #
@ -51,7 +51,7 @@ use Data::Dumper;
$Data::Dumper::Pair = " : "; $Data::Dumper::Pair = " : ";
# Set up a few variables for use in the script # Set up a few variables for use in the script
my $tunerversion = "1.6.5"; my $tunerversion = "1.6.6";
my ( @adjvars, @generalrec ); my ( @adjvars, @generalrec );
# Set defaults # Set defaults
@ -1884,6 +1884,15 @@ sub mysql_stats {
push( @generalrec, push( @generalrec,
"Upgrade MySQL to version 4+ to utilize query caching" ); "Upgrade MySQL to version 4+ to utilize query caching" );
} }
elsif (mysql_version_ge(5,6))
{
if ( $myvar{'query_cache_type'} ne "OFF" ) {
badprint "Query cache should be disabled by default due to mutex contention.";
push( @adjvars, "query_cache_type (=0)" );
} else {
goodprint "Query cache is disabled by default due to mutex contention.";
}
}
elsif ( $myvar{'query_cache_size'} < 1 ) { elsif ( $myvar{'query_cache_size'} < 1 ) {
badprint "Query cache is disabled"; badprint "Query cache is disabled";
push( @adjvars, "query_cache_size (>= 8M)" ); push( @adjvars, "query_cache_size (>= 8M)" );
@ -3001,7 +3010,7 @@ __END__
=head1 NAME =head1 NAME
MySQLTuner 1.6.5 - MySQL High Performance Tuning Script MySQLTuner 1.6.6 - MySQL High Performance Tuning Script
=head1 IMPORTANT USAGE GUIDELINES =head1 IMPORTANT USAGE GUIDELINES