hhf/MySQLTuner-perl
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Merge pull request #93 from jmrenouard/master

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PR  #39 and PR #50
This commit is contained in:
Jean-Marie Renouard 2015-07-15 16:59:12 +02:00
commit 334b97e627
1 changed files with 13 additions and 9 deletions
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mysqltuner.pl
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@ -1,4 +1,4 @@
#!/usr/bin/perl -w #!/usr/bin/env perl
# mysqltuner.pl - Version 1.4.9 # mysqltuner.pl - Version 1.4.9
# 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
@ -670,10 +670,12 @@ sub get_replication_status {
} }
# Checks for supported or EOL'ed MySQL versions # Checks for supported or EOL'ed MySQL versions
my ($mysqlvermajor,$mysqlverminor); my ($mysqlvermajor,$mysqlverminor, $mysqlvermicro);
sub validate_mysql_version { sub validate_mysql_version {
($mysqlvermajor,$mysqlverminor) = $myvar{'version'} =~ /(\d+)\.(\d+)/; ($mysqlvermajor,$mysqlverminor,$mysqlvermicro) = $myvar{'version'} =~ /^(\d+)(?:\.(\d+)|)(?:\.(\d+)|)/;
if (!mysql_version_ge(5,1)) { $mysqlverminor ||= 0;
$mysqlvermicro ||= 0;
if (!mysql_version_ge(5, 1)) {
badprint "Your MySQL version ".$myvar{'version'}." is EOL software! Upgrade soon!\n"; badprint "Your MySQL version ".$myvar{'version'}." is EOL software! Upgrade soon!\n";
} elsif (mysql_version_ge(6)) { } elsif (mysql_version_ge(6)) {
badprint "Currently running unsupported MySQL version ".$myvar{'version'}."\n"; badprint "Currently running unsupported MySQL version ".$myvar{'version'}."\n";
@ -682,10 +684,12 @@ sub validate_mysql_version {
} }
} }
# Checks if MySQL version is greater than equal to (major, minor) # Checks if MySQL version is greater than equal to (major, minor, micro)
sub mysql_version_ge { sub mysql_version_ge {
my ($maj, $min) = @_; my ($maj, $min, $mic) = @_;
return $mysqlvermajor > $maj || ($mysqlvermajor == $maj && $mysqlverminor >= ($min || 0)); $min ||= 0;
$mic ||= 0;
return $mysqlvermajor > $maj || $mysqlvermajor == $maj && ($mysqlverminor > $min || $mysqlverminor == $min && $mysqlvermicro >= $mic);
} }
# Checks for 32-bit boxes with more than 2GB of RAM # Checks for 32-bit boxes with more than 2GB of RAM
@ -736,7 +740,7 @@ sub check_storage_engines {
prettyprint "\n-------- Storage Engine Statistics -------------------------------------------\n"; prettyprint "\n-------- Storage Engine Statistics -------------------------------------------\n";
my $engines; my $engines;
if (mysql_version_ge(5, 1)) { if (mysql_version_ge(5, 1, 5)) {
my @engineresults = select_array "SELECT ENGINE,SUPPORT FROM information_schema.ENGINES WHERE ENGINE NOT IN ('performance_schema','MyISAM','MERGE','MEMORY') ORDER BY ENGINE ASC"; my @engineresults = select_array "SELECT ENGINE,SUPPORT FROM information_schema.ENGINES WHERE ENGINE NOT IN ('performance_schema','MyISAM','MERGE','MEMORY') ORDER BY ENGINE ASC";
foreach my $line (@engineresults) { foreach my $line (@engineresults) {
my ($engine,$engineenabled); my ($engine,$engineenabled);
@ -752,7 +756,7 @@ sub check_storage_engines {
$engines .= (defined $myvar{'have_ndbcluster'} && $myvar{'have_ndbcluster'} eq "YES")? greenwrap "+NDBCluster " : redwrap "-NDBCluster " ; $engines .= (defined $myvar{'have_ndbcluster'} && $myvar{'have_ndbcluster'} eq "YES")? greenwrap "+NDBCluster " : redwrap "-NDBCluster " ;
} }
infoprint "Status: $engines\n"; infoprint "Status: $engines\n";
if (mysql_version_ge(5)) { if (mysql_version_ge(5, 1, 5)) {
# MySQL 5 servers can have table sizes calculated quickly from information schema # MySQL 5 servers can have table sizes calculated quickly from information schema
my @templist = select_array "SELECT ENGINE,SUM(DATA_LENGTH+INDEX_LENGTH),COUNT(ENGINE) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema', 'performance_schema', 'mysql') AND ENGINE IS NOT NULL GROUP BY ENGINE ORDER BY ENGINE ASC;"; my @templist = select_array "SELECT ENGINE,SUM(DATA_LENGTH+INDEX_LENGTH),COUNT(ENGINE) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema', 'performance_schema', 'mysql') AND ENGINE IS NOT NULL GROUP BY ENGINE ORDER BY ENGINE ASC;";