diff --git a/mysqltuner.pl b/mysqltuner.pl index 8fd94e0..4bf79da 100755 --- a/mysqltuner.pl +++ b/mysqltuner.pl @@ -1,5 +1,5 @@ #!/usr/bin/perl -w -# mysqltuner.pl - Version 1.4.2 +# mysqltuner.pl - Version 1.4.3 # High Performance MySQL Tuning Script # Copyright (C) 2006-2014 Major Hayden - major@mhtx.net # @@ -42,7 +42,7 @@ use Getopt::Long; use File::Basename; use Cwd 'abs_path'; # Set up a few variables for use in the script -my $tunerversion = "1.4.2"; +my $tunerversion = "1.4.3"; my (@adjvars, @generalrec); # Set defaults @@ -1136,8 +1136,28 @@ sub mysql_stats { badprint "InnoDB log waits: ".$mystat{'Innodb_log_waits'}; push(@adjvars,"innodb_log_buffer_size (>= ".hr_bytes_rnd($myvar{'innodb_log_buffer_size'}).")"); } else { - goodprint "InnoDB log waits: ".$mystat{'Innodb_log_waits'}; + goodprint "InnoDB log waits: ".$mystat{'Innodb_log_waits'}."\n"; } + if (defined($myvar{'innodb_buffer_pool_instances'})) { + infoprint "MySQL version: " .$myvar{'version'}." is greater than MySQL 5.6.6(innodb_buffer_pool_instances is present)\n"; + if ($myvar{'innodb_buffer_pool_instances'} > 64) { + badprint "InnoDB buffer pool instances must be lower than 64.\n"; + push(@adjvars,"innodb_buffer_pool_instances must be lower than 64."); + } else { + goodprint "InnoDB buffer pool instances is lower than 64.\n"; + } + infoprint "Buffer Pool Size: ".hr_bytes_rnd($myvar{'innodb_buffer_pool_size'})."\n"; + infoprint "Buffer Pool Inst: $myvar{'innodb_buffer_pool_instances'}\n"; + if ($myvar{'innodb_buffer_pool_size'} > 1024*1024*1024 + and ( + ($myvar{'innodb_buffer_pool_size'}/$myvar{'innodb_buffer_pool_instances'}) < 1024*1024*924 + or ($myvar{'innodb_buffer_pool_size'}/$myvar{'innodb_buffer_pool_instances'}) > 1024*1024*1124 ) ) { + badprint "InnoDB buffer pool is greater than 1Go and each InnoDB buffer pool instance must manage 900Mo to 1.1Go buffer pool size"; + push(@adjvars,"innodb_buffer_pool_instances must be calculated with innodb_buffer_pool_size / 1Go "); + } else { + goodprint "InnoDB buffer pool instances is configurated for managing around 1Go Buffer pool size."; + } + } } }