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Wrong recommendation "thread_pool_size between 16 and 36 for InnoDB usage" for Percona Server #551

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Jean-Marie RENOUARD 2021-05-03 12:00:02 +00:00
parent 85d5015a1d
commit 5aa880afbc
1 changed files with 15 additions and 4 deletions
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19
mysqltuner.pl
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@ -1,5 +1,5 @@
#!/usr/bin/env perl #!/usr/bin/env perl
# mysqltuner.pl - Version 1.7.24 # mysqltuner.pl - Version 1.7.25
# High Performance MySQL Tuning Script # High Performance MySQL Tuning Script
# Copyright (C) 2006-2021 Major Hayden - major@mhtx.net # Copyright (C) 2006-2021 Major Hayden - major@mhtx.net
# #
@ -56,7 +56,7 @@ $Data::Dumper::Pair = " : ";
#use Env; #use Env;
# Set up a few variables for use in the script # Set up a few variables for use in the script
my $tunerversion = "1.7.24"; my $tunerversion = "1.7.25";
my ( @adjvars, @generalrec ); my ( @adjvars, @generalrec );
# Set defaults # Set defaults
@ -3554,7 +3554,18 @@ sub mariadb_threadpool {
infoprint "ThreadPool stat is enabled."; infoprint "ThreadPool stat is enabled.";
infoprint "Thread Pool Size: " . $myvar{'thread_pool_size'} . " thread(s)."; infoprint "Thread Pool Size: " . $myvar{'thread_pool_size'} . " thread(s).";
if ( $myvar{'version'} =~ /mariadb|percona/i ) { if ( $myvar{'version'} =~ /percona/i ) {
my $np=cpu_cores;
if ($myvar{'thread_pool_size'} >= $np and $myvar{'thread_pool_size'}< ($np *1.5)) {
goodprint "thread_pool_size for Percona betwwen 1 and 1.5 times nimber of CPUs (".$np. " and ".($np *1.5).")";
} else {
badprint "thread_pool_size for Percona betwwen 1 and 1.5 times nimber of CPUs (".$np. " and ".($np *1.5).")";
push( @adjvars, "thread_pool_size between ".$np . " and ".($np *1.5)." for InnoDB usage" );
}
return;
}
if ( $myvar{'version'} =~ /mariadb/i ) {
infoprint "Using default value is good enough for your version (" infoprint "Using default value is good enough for your version ("
. $myvar{'version'} . ")"; . $myvar{'version'} . ")";
return; return;
@ -6487,7 +6498,7 @@ __END__
=head1 NAME =head1 NAME
MySQLTuner 1.7.24 - MySQL High Performance Tuning Script MySQLTuner 1.7.25 - MySQL High Performance Tuning Script
=head1 IMPORTANT USAGE GUIDELINES =head1 IMPORTANT USAGE GUIDELINES