hhf/MySQLTuner-perl
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Trim trailing whitespace.

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This commit is contained in:
Ville Skyttä 2011-03-08 20:38:37 +02:00
parent d6c7f9ac4d
commit b5dd0397bf
1 changed files with 24 additions and 24 deletions
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48
mysqltuner.pl
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@ -59,7 +59,7 @@ my %opt = (
"skipsize" => 0, "skipsize" => 0,
"checkversion" => 0, "checkversion" => 0,
); );
# Gather the options from the command line # Gather the options from the command line
GetOptions(\%opt, GetOptions(\%opt,
'nobad', 'nobad',
@ -478,7 +478,7 @@ sub check_storage_engines {
$engines .= (defined $myvar{'have_federated_engine'} && $myvar{'have_federated_engine'} eq "YES")? greenwrap "+Federated " : redwrap "-Federated " ; $engines .= (defined $myvar{'have_federated_engine'} && $myvar{'have_federated_engine'} eq "YES")? greenwrap "+Federated " : redwrap "-Federated " ;
$engines .= (defined $myvar{'have_innodb'} && $myvar{'have_innodb'} eq "YES")? greenwrap "+InnoDB " : redwrap "-InnoDB " ; $engines .= (defined $myvar{'have_innodb'} && $myvar{'have_innodb'} eq "YES")? greenwrap "+InnoDB " : redwrap "-InnoDB " ;
$engines .= (defined $myvar{'have_isam'} && $myvar{'have_isam'} eq "YES")? greenwrap "+ISAM " : redwrap "-ISAM " ; $engines .= (defined $myvar{'have_isam'} && $myvar{'have_isam'} eq "YES")? greenwrap "+ISAM " : redwrap "-ISAM " ;
$engines .= (defined $myvar{'have_ndbcluster'} && $myvar{'have_ndbcluster'} eq "YES")? greenwrap "+NDBCluster " : redwrap "-NDBCluster " ; $engines .= (defined $myvar{'have_ndbcluster'} && $myvar{'have_ndbcluster'} eq "YES")? greenwrap "+NDBCluster " : redwrap "-NDBCluster " ;
print "$engines\n"; print "$engines\n";
if ($mysqlvermajor >= 5) { if ($mysqlvermajor >= 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
@ -584,11 +584,11 @@ sub calculations {
# Slow queries # Slow queries
$mycalc{'pct_slow_queries'} = int(($mystat{'Slow_queries'}/$mystat{'Questions'}) * 100); $mycalc{'pct_slow_queries'} = int(($mystat{'Slow_queries'}/$mystat{'Questions'}) * 100);
# Connections # Connections
$mycalc{'pct_connections_used'} = int(($mystat{'Max_used_connections'}/$myvar{'max_connections'}) * 100); $mycalc{'pct_connections_used'} = int(($mystat{'Max_used_connections'}/$myvar{'max_connections'}) * 100);
$mycalc{'pct_connections_used'} = ($mycalc{'pct_connections_used'} > 100) ? 100 : $mycalc{'pct_connections_used'} ; $mycalc{'pct_connections_used'} = ($mycalc{'pct_connections_used'} > 100) ? 100 : $mycalc{'pct_connections_used'} ;
# Key buffers # Key buffers
if ($mysqlvermajor > 3 && !($mysqlvermajor == 4 && $mysqlverminor == 0)) { if ($mysqlvermajor > 3 && !($mysqlvermajor == 4 && $mysqlverminor == 0)) {
$mycalc{'pct_key_buffer_used'} = sprintf("%.1f",(1 - (($mystat{'Key_blocks_unused'} * $myvar{'key_cache_block_size'}) / $myvar{'key_buffer_size'})) * 100); $mycalc{'pct_key_buffer_used'} = sprintf("%.1f",(1 - (($mystat{'Key_blocks_unused'} * $myvar{'key_cache_block_size'}) / $myvar{'key_buffer_size'})) * 100);
@ -603,12 +603,12 @@ sub calculations {
} elsif ($mysqlvermajor >= 5) { } elsif ($mysqlvermajor >= 5) {
$mycalc{'total_myisam_indexes'} = `mysql $mysqllogin -Bse "SELECT IFNULL(SUM(INDEX_LENGTH),0) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema') AND ENGINE = 'MyISAM';"`; $mycalc{'total_myisam_indexes'} = `mysql $mysqllogin -Bse "SELECT IFNULL(SUM(INDEX_LENGTH),0) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema') AND ENGINE = 'MyISAM';"`;
} }
if (defined $mycalc{'total_myisam_indexes'} and $mycalc{'total_myisam_indexes'} =~ /^0\n$/) { if (defined $mycalc{'total_myisam_indexes'} and $mycalc{'total_myisam_indexes'} =~ /^0\n$/) {
$mycalc{'total_myisam_indexes'} = "fail"; $mycalc{'total_myisam_indexes'} = "fail";
} elsif (defined $mycalc{'total_myisam_indexes'}) { } elsif (defined $mycalc{'total_myisam_indexes'}) {
chomp($mycalc{'total_myisam_indexes'}); chomp($mycalc{'total_myisam_indexes'});
} }
# Query cache # Query cache
if ($mysqlvermajor > 3) { if ($mysqlvermajor > 3) {
$mycalc{'query_cache_efficiency'} = sprintf("%.1f",($mystat{'Qcache_hits'} / ($mystat{'Com_select'} + $mystat{'Qcache_hits'})) * 100); $mycalc{'query_cache_efficiency'} = sprintf("%.1f",($mystat{'Qcache_hits'} / ($mystat{'Com_select'} + $mystat{'Qcache_hits'})) * 100);
@ -621,17 +621,17 @@ sub calculations {
$mycalc{'query_cache_prunes_per_day'} = int($mystat{'Qcache_lowmem_prunes'} / ($mystat{'Uptime'}/86400)); $mycalc{'query_cache_prunes_per_day'} = int($mystat{'Qcache_lowmem_prunes'} / ($mystat{'Uptime'}/86400));
} }
} }
# Sorting # Sorting
$mycalc{'total_sorts'} = $mystat{'Sort_scan'} + $mystat{'Sort_range'}; $mycalc{'total_sorts'} = $mystat{'Sort_scan'} + $mystat{'Sort_range'};
if ($mycalc{'total_sorts'} > 0) { if ($mycalc{'total_sorts'} > 0) {
$mycalc{'pct_temp_sort_table'} = int(($mystat{'Sort_merge_passes'} / $mycalc{'total_sorts'}) * 100); $mycalc{'pct_temp_sort_table'} = int(($mystat{'Sort_merge_passes'} / $mycalc{'total_sorts'}) * 100);
} }
# Joins # Joins
$mycalc{'joins_without_indexes'} = $mystat{'Select_range_check'} + $mystat{'Select_full_join'}; $mycalc{'joins_without_indexes'} = $mystat{'Select_range_check'} + $mystat{'Select_full_join'};
$mycalc{'joins_without_indexes_per_day'} = int($mycalc{'joins_without_indexes'} / ($mystat{'Uptime'}/86400)); $mycalc{'joins_without_indexes_per_day'} = int($mycalc{'joins_without_indexes'} / ($mystat{'Uptime'}/86400));
# Temporary tables # Temporary tables
if ($mystat{'Created_tmp_tables'} > 0) { if ($mystat{'Created_tmp_tables'} > 0) {
if ($mystat{'Created_tmp_disk_tables'} > 0) { if ($mystat{'Created_tmp_disk_tables'} > 0) {
@ -640,19 +640,19 @@ sub calculations {
$mycalc{'pct_temp_disk'} = 0; $mycalc{'pct_temp_disk'} = 0;
} }
} }
# Table cache # Table cache
if ($mystat{'Opened_tables'} > 0) { if ($mystat{'Opened_tables'} > 0) {
$mycalc{'table_cache_hit_rate'} = int($mystat{'Open_tables'}*100/$mystat{'Opened_tables'}); $mycalc{'table_cache_hit_rate'} = int($mystat{'Open_tables'}*100/$mystat{'Opened_tables'});
} else { } else {
$mycalc{'table_cache_hit_rate'} = 100; $mycalc{'table_cache_hit_rate'} = 100;
} }
# Open files # Open files
if ($myvar{'open_files_limit'} > 0) { if ($myvar{'open_files_limit'} > 0) {
$mycalc{'pct_files_open'} = int($mystat{'Open_files'}*100/$myvar{'open_files_limit'}); $mycalc{'pct_files_open'} = int($mystat{'Open_files'}*100/$myvar{'open_files_limit'});
} }
# Table locks # Table locks
if ($mystat{'Table_locks_immediate'} > 0) { if ($mystat{'Table_locks_immediate'} > 0) {
if ($mystat{'Table_locks_waited'} == 0) { if ($mystat{'Table_locks_waited'} == 0) {
@ -661,7 +661,7 @@ sub calculations {
$mycalc{'pct_table_locks_immediate'} = int($mystat{'Table_locks_immediate'}*100/($mystat{'Table_locks_waited'} + $mystat{'Table_locks_immediate'})); $mycalc{'pct_table_locks_immediate'} = int($mystat{'Table_locks_immediate'}*100/($mystat{'Table_locks_waited'} + $mystat{'Table_locks_immediate'}));
} }
} }
# Thread cache # Thread cache
$mycalc{'thread_cache_hit_rate'} = int(100 - (($mystat{'Threads_created'} / $mystat{'Connections'}) * 100)); $mycalc{'thread_cache_hit_rate'} = int(100 - (($mystat{'Threads_created'} / $mystat{'Connections'}) * 100));
@ -709,7 +709,7 @@ sub mysql_stats {
} else { } else {
goodprint "Maximum possible memory usage: ".hr_bytes($mycalc{'total_possible_used_memory'})." ($mycalc{'pct_physical_memory'}% of installed RAM)\n"; goodprint "Maximum possible memory usage: ".hr_bytes($mycalc{'total_possible_used_memory'})." ($mycalc{'pct_physical_memory'}% of installed RAM)\n";
} }
# Slow queries # Slow queries
if ($mycalc{'pct_slow_queries'} > 5) { if ($mycalc{'pct_slow_queries'} > 5) {
badprint "Slow queries: $mycalc{'pct_slow_queries'}% (".hr_num($mystat{'Slow_queries'})."/".hr_num($mystat{'Questions'}).")\n"; badprint "Slow queries: $mycalc{'pct_slow_queries'}% (".hr_num($mystat{'Slow_queries'})."/".hr_num($mystat{'Questions'}).")\n";
@ -720,7 +720,7 @@ sub mysql_stats {
if (defined($myvar{'log_slow_queries'})) { if (defined($myvar{'log_slow_queries'})) {
if ($myvar{'log_slow_queries'} eq "OFF") { push(@generalrec,"Enable the slow query log to troubleshoot bad queries"); } if ($myvar{'log_slow_queries'} eq "OFF") { push(@generalrec,"Enable the slow query log to troubleshoot bad queries"); }
} }
# Connections # Connections
if ($mycalc{'pct_connections_used'} > 85) { if ($mycalc{'pct_connections_used'} > 85) {
badprint "Highest connection usage: $mycalc{'pct_connections_used'}% ($mystat{'Max_used_connections'}/$myvar{'max_connections'})\n"; badprint "Highest connection usage: $mycalc{'pct_connections_used'}% ($mystat{'Max_used_connections'}/$myvar{'max_connections'})\n";
@ -730,11 +730,11 @@ sub mysql_stats {
} else { } else {
goodprint "Highest usage of available connections: $mycalc{'pct_connections_used'}% ($mystat{'Max_used_connections'}/$myvar{'max_connections'})\n"; goodprint "Highest usage of available connections: $mycalc{'pct_connections_used'}% ($mystat{'Max_used_connections'}/$myvar{'max_connections'})\n";
} }
# Key buffer # Key buffer
if (!defined($mycalc{'total_myisam_indexes'}) and $doremote == 1) { if (!defined($mycalc{'total_myisam_indexes'}) and $doremote == 1) {
push(@generalrec,"Unable to calculate MyISAM indexes on remote MySQL server < 5.0.0"); push(@generalrec,"Unable to calculate MyISAM indexes on remote MySQL server < 5.0.0");
} elsif ($mycalc{'total_myisam_indexes'} =~ /^fail$/) { } elsif ($mycalc{'total_myisam_indexes'} =~ /^fail$/) {
badprint "Cannot calculate MyISAM index size - re-run script as root user\n"; badprint "Cannot calculate MyISAM index size - re-run script as root user\n";
} elsif ($mycalc{'total_myisam_indexes'} == "0") { } elsif ($mycalc{'total_myisam_indexes'} == "0") {
badprint "None of your MyISAM tables are indexed - add indexes immediately\n"; badprint "None of your MyISAM tables are indexed - add indexes immediately\n";
@ -755,9 +755,9 @@ sub mysql_stats {
# No queries have run that would use keys # No queries have run that would use keys
} }
} }
# Query cache # Query cache
if ($mysqlvermajor < 4) { if ($mysqlvermajor < 4) {
# MySQL versions < 4.01 don't support query caching # MySQL versions < 4.01 don't support query caching
push(@generalrec,"Upgrade MySQL to version 4+ to utilize query caching"); push(@generalrec,"Upgrade MySQL to version 4+ to utilize query caching");
} elsif ($myvar{'query_cache_size'} < 1) { } elsif ($myvar{'query_cache_size'} < 1) {
@ -784,7 +784,7 @@ sub mysql_stats {
goodprint "Query cache prunes per day: $mycalc{'query_cache_prunes_per_day'}\n"; goodprint "Query cache prunes per day: $mycalc{'query_cache_prunes_per_day'}\n";
} }
} }
# Sorting # Sorting
if ($mycalc{'total_sorts'} == 0) { if ($mycalc{'total_sorts'} == 0) {
# For the sake of space, we will be quiet here # For the sake of space, we will be quiet here
@ -796,7 +796,7 @@ sub mysql_stats {
} else { } else {
goodprint "Sorts requiring temporary tables: $mycalc{'pct_temp_sort_table'}% (".hr_num($mystat{'Sort_merge_passes'})." temp sorts / ".hr_num($mycalc{'total_sorts'})." sorts)\n"; goodprint "Sorts requiring temporary tables: $mycalc{'pct_temp_sort_table'}% (".hr_num($mystat{'Sort_merge_passes'})." temp sorts / ".hr_num($mycalc{'total_sorts'})." sorts)\n";
} }
# Joins # Joins
if ($mycalc{'joins_without_indexes_per_day'} > 250) { if ($mycalc{'joins_without_indexes_per_day'} > 250) {
badprint "Joins performed without indexes: $mycalc{'joins_without_indexes'}\n"; badprint "Joins performed without indexes: $mycalc{'joins_without_indexes'}\n";
@ -806,7 +806,7 @@ sub mysql_stats {
# For the sake of space, we will be quiet here # For the sake of space, we will be quiet here
# No joins have run without indexes # No joins have run without indexes
} }
# Temporary tables # Temporary tables
if ($mystat{'Created_tmp_tables'} > 0) { if ($mystat{'Created_tmp_tables'} > 0) {
if ($mycalc{'pct_temp_disk'} > 25 && $mycalc{'max_tmp_table_size'} < 256*1024*1024) { if ($mycalc{'pct_temp_disk'} > 25 && $mycalc{'max_tmp_table_size'} < 256*1024*1024) {
@ -888,7 +888,7 @@ sub mysql_stats {
badprint "Connections aborted: ".$mycalc{'pct_aborted_connections'}."%\n"; badprint "Connections aborted: ".$mycalc{'pct_aborted_connections'}."%\n";
push(@generalrec,"Your applications are not closing MySQL connections properly"); push(@generalrec,"Your applications are not closing MySQL connections properly");
} }
# 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 $enginestats{'InnoDB'}) {
if ($myvar{'innodb_buffer_pool_size'} > $enginestats{'InnoDB'}) { if ($myvar{'innodb_buffer_pool_size'} > $enginestats{'InnoDB'}) {