hhf/MySQLTuner-perl
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root 2015-06-17 23:28:50 +02:00
commit ba2ea1f0f3
1 changed files with 27 additions and 27 deletions
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mysqltuner.pl
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@ -242,8 +242,8 @@ sub os_setup {
} }
} else { } else {
if ($os =~ /Linux/) { if ($os =~ /Linux/) {
$physical_memory = `free -b | grep Mem | awk '{print \$2}'` or memerror; $physical_memory = `LANG=en free -b | grep Mem | awk '{print \$2}'` or memerror;
$swap_memory = `free -b | grep Swap | awk '{print \$2}'` or memerror; $swap_memory = `LANG=en free -b | grep Swap | awk '{print \$2}'` or memerror;
} elsif ($os =~ /Darwin/) { } elsif ($os =~ /Darwin/) {
$physical_memory = `sysctl -n hw.memsize` or memerror; $physical_memory = `sysctl -n hw.memsize` or memerror;
$swap_memory = `sysctl -n vm.swapusage | awk '{print \$3}' | sed 's/\..*\$//'` or memerror; $swap_memory = `sysctl -n vm.swapusage | awk '{print \$3}' | sed 's/\..*\$//'` or memerror;
@ -1142,43 +1142,43 @@ sub mysql_stats {
# InnoDB # InnoDB
if (defined $myvar{'have_innodb'} && $myvar{'have_innodb'} eq "YES" && defined $enginestats{'InnoDB'}) { if (defined $myvar{'have_innodb'} && $myvar{'have_innodb'} eq "YES" && defined $enginestats{'InnoDB'}) {
# InnoDB Buffer Pull Size
if ($myvar{'innodb_buffer_pool_size'} > $enginestats{'InnoDB'}) { if ($myvar{'innodb_buffer_pool_size'} > $enginestats{'InnoDB'}) {
goodprint "InnoDB buffer pool / data size: ".hr_bytes($myvar{'innodb_buffer_pool_size'})."/".hr_bytes($enginestats{'InnoDB'})."\n"; goodprint "InnoDB buffer pool / data size: ".hr_bytes($myvar{'innodb_buffer_pool_size'})."/".hr_bytes($enginestats{'InnoDB'})."\n";
} else { } else {
badprint "InnoDB buffer pool / data size: ".hr_bytes($myvar{'innodb_buffer_pool_size'})."/".hr_bytes($enginestats{'InnoDB'})."\n"; badprint "InnoDB buffer pool / data size: ".hr_bytes($myvar{'innodb_buffer_pool_size'})."/".hr_bytes($enginestats{'InnoDB'})."\n";
push(@adjvars,"innodb_buffer_pool_size (>= ".hr_bytes_rnd($enginestats{'InnoDB'}).")"); push(@adjvars,"innodb_buffer_pool_size (>= ".hr_bytes_rnd($enginestats{'InnoDB'}).")");
} }
# InnoDB Buffer Pull Instances (MySQL 5.6.6+)
if (defined($myvar{'innodb_buffer_pool_instances'})) {
# Bad Value if > 64
if ($myvar{'innodb_buffer_pool_instances'} > 64) {
badprint "InnoDB buffer pool instances: ".$myvar{'innodb_buffer_pool_instances'}."\n";
push(@adjvars,"innodb_buffer_pool_instances (<= 64)");
} else {
# InnoDB Buffer Pull Size > 1Go
if ($myvar{'innodb_buffer_pool_size'} > 1024*1024*1024
and $myvar{'innodb_buffer_pool_instances'} != int($myvar{'innodb_buffer_pool_size'}/(1024*1024*1024))
) {
badprint "InnoDB buffer pool instances: ".$myvar{'innodb_buffer_pool_instances'}."\n";
push(@adjvars,"innodb_buffer_pool_instances(=".int($myvar{'innodb_buffer_pool_size'}/(1024*1024*1024)).")");
} else {
if ($myvar{'innodb_buffer_pool_instances'} != 1) {
badprint "InnoDB buffer pool <= 1Go and innodb_buffer_pool_instances(=1).\n";
push(@adjvars,"innodb_buffer_pool_instances (=1)");
} else {
goodprint "InnoDB buffer pool instances: ".$myvar{'innodb_buffer_pool_instances'}."\n";
}
}
}
}
# InnoDB Log Waits
if (defined $mystat{'Innodb_log_waits'} && $mystat{'Innodb_log_waits'} > 0) { if (defined $mystat{'Innodb_log_waits'} && $mystat{'Innodb_log_waits'} > 0) {
badprint "InnoDB log waits: ".$mystat{'Innodb_log_waits'}; badprint "InnoDB log waits: ".$mystat{'Innodb_log_waits'};
push(@adjvars,"innodb_log_buffer_size (>= ".hr_bytes_rnd($myvar{'innodb_log_buffer_size'}).")"); push(@adjvars,"innodb_log_buffer_size (>= ".hr_bytes_rnd($myvar{'innodb_log_buffer_size'}).")");
} else { } else {
goodprint "InnoDB log waits: ".$mystat{'Innodb_log_waits'}."\n"; 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.\n";
push(@adjvars,"innodb_buffer_pool_instances must be calculated with innodb_buffer_pool_size / 1Go ");
} else {
if ($myvar{'innodb_buffer_pool_instances'} != 1) {
badprint "InnoDB buffer pool is lower than 1Go and 1 InnoDB buffer pool instance is recommanded.\n";
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.\n";
}
}
}
} }
} }