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Merge branch 'master' of https://github.com/major/MySQLTuner-perl

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This commit is contained in:
Jean-Marie Renouard 2022-07-09 19:34:27 +02:00
commit 07cfdafaa7
3 changed files with 388 additions and 176 deletions
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10
USAGE.md
View file

@ -1,6 +1,6 @@
# NAME
MySQLTuner 1.9.4 - MySQL High Performance Tuning Script
MySQLTuner2.0.5 - MySQL High Performance Tuning Script
# IMPORTANT USAGE GUIDELINES
@ -31,7 +31,7 @@ You must provide the remote server's total memory when connecting to other serve
(Recommended for servers with many tables)
--json Print result as JSON string
--prettyjson Print result as JSON formatted string
--skippassword Don't perform checks on user passwords(default: off)
--skippassword Don't perform checks on user passwords (default: off)
--checkversion Check for updates to MySQLTuner (default: don't check)
--updateversion Check for updates to MySQLTuner and update when newer version is available (default: don't check)
--forcemem <size> Amount of RAM installed in megabytes
@ -64,9 +64,9 @@ You must provide the remote server's total memory when connecting to other serve
--nosysstat Don't Print system information
--pfstat Print Performance schema
--nopfstat Don't Print Performance schema
--bannedports Ports banned separated by comma(,)
--server-log Define specifi error_log to analyze
--maxportallowed Number of ports opened allowed on this hosts
--bannedports Ports banned separated by comma (,)
--server-log Define specific error_log to analyze
--maxportallowed Number of ports opened allowed on this host
--buffers Print global and per-thread buffer values
# PERLDOC

345
mysqltuner.pl
View file

@ -1,5 +1,5 @@
#!/usr/bin/env perl
# mysqltuner.pl - Version 2.0.4
# mysqltuner.pl - Version2.0.5
# High Performance MySQL Tuning Script
# Copyright (C) 2006-2022 Major Hayden - major@mhtx.net
# Copyright (C) 2015-2022 Jean-Marie Renouard - jmrenouard@gmail.com
@ -204,10 +204,10 @@ $opt{tbstat} = 0 if ( $opt{notbstat} == 1 ); # Don't Print table information
$opt{colstat} = 0 if ( $opt{nocolstat} == 1 ); # Don't Print column information
$opt{dbstat} = 0 if ( $opt{nodbstat} == 1 ); # Don't Print database information
$opt{noprocess} = 0
if ( $opt{noprocess} == 1 ); # Don't Print process information
if ( $opt{noprocess} == 1 ); # Don't Print process information
$opt{sysstat} = 0 if ( $opt{nosysstat} == 1 ); # Don't Print sysstat information
$opt{pfstat} = 0
if ( $opt{nopfstat} == 1 ); # Don't Print performance schema information
if ( $opt{nopfstat} == 1 ); # Don't Print performance schema information
$opt{idxstat} = 0 if ( $opt{noidxstat} == 1 ); # Don't Print index information
# for RPM distributions
@ -255,9 +255,9 @@ my @dblist;
# Super structure containing all information
my %result;
$result{'MySQLTuner'}{'version'} = $tunerversion;
$result{'MySQLTuner'}{'datetime'} =`date '+%d-%m-%Y %H:%M:%S'`;
$result{'MySQLTuner'}{'options'} = \%opt;
$result{'MySQLTuner'}{'version'} = $tunerversion;
$result{'MySQLTuner'}{'datetime'} = `date '+%d-%m-%Y %H:%M:%S'`;
$result{'MySQLTuner'}{'options'} = \%opt;
# Functions that handle the print styles
sub prettyprint {
@ -594,7 +594,7 @@ sub update_tuner_version {
}
my $update;
my $fullpath="";
my $fullpath = "";
my $url = "https://raw.githubusercontent.com/major/MySQLTuner-perl/master/";
my @scripts =
( "mysqltuner.pl", "basic_passwords.txt", "vulnerabilities.csv" );
@ -607,12 +607,12 @@ sub update_tuner_version {
if ( $httpcli =~ /curl$/ ) {
debugprint "$httpcli is available.";
$fullpath=dirname(__FILE__)."/".$script;
$fullpath = dirname(__FILE__) . "/" . $script;
debugprint "FullPath: $fullpath";
debugprint
"$httpcli --connect-timeout 3 '$url$script' 2>$devnull > $fullpath";
"$httpcli --connect-timeout 3 '$url$script' 2>$devnull > $fullpath";
$update =
`$httpcli --connect-timeout 3 '$url$script' 2>$devnull > $fullpath`;
`$httpcli --connect-timeout 3 '$url$script' 2>$devnull > $fullpath`;
chomp($update);
debugprint "$script updated: $update";
@ -655,7 +655,7 @@ sub update_tuner_version {
else {
badprint "Couldn't update MySQLTuner script";
}
infoprint "Stopping program: MySQLTuner has be updated.";
infoprint "Stopping program: MySQLTuner script must be updated first.";
exit 0;
}
@ -666,11 +666,11 @@ sub compare_tuner_version {
#exit 0;
if ( $remoteversion ne $tunerversion ) {
badprint
"There is a new version of MySQLTuner available($remoteversion)";
"There is a new version of MySQLTuner available ($remoteversion)";
update_tuner_version();
return;
}
goodprint "You have the latest version of MySQLTuner($tunerversion)";
goodprint "You have the latest version of MySQLTuner ($tunerversion)";
return;
}
@ -681,7 +681,7 @@ my $osname = $^O;
if ( $osname eq 'MSWin32' ) {
eval { require Win32; } or last;
$osname = Win32::GetOSName();
infoprint "* Windows OS($osname) is not fully supported.\n";
infoprint "* Windows OS ($osname) is not fully supported.\n";
#exit 1;
}
@ -747,7 +747,7 @@ sub mysql_setup {
$remotestring = " -S $opt{socket} -P $opt{port}";
}
if ( $opt{protocol} ne '' ){
if ( $opt{protocol} ne '' ) {
$remotestring = " --protocol=$opt{protocol}";
}
@ -1174,7 +1174,7 @@ sub get_all_vars {
$dummyselect = select_one "SELECT VERSION()";
if ( not defined($dummyselect) or $dummyselect eq "" ) {
badprint
"You probably did not get enough privileges for running MySQLTuner ...";
"You probably do not have enough privileges to run MySQLTuner ...";
exit(256);
}
$dummyselect =~ s/(.*?)\-.*/$1/;
@ -1359,7 +1359,8 @@ sub log_file_recommendations {
subheaderprint "Log file Recommendations";
if ( "$myvar{'log_error'}" eq "stderr" ) {
badprint "log_error is set to $myvar{'log_error'}, but this script can't read stderr";
badprint
"log_error is set to $myvar{'log_error'}, but this script can't read stderr";
return;
}
elsif ( $myvar{'log_error'} =~ /^(docker|podman|kubectl):(.*)/ ) {
@ -1423,7 +1424,7 @@ sub log_file_recommendations {
$numLi++;
debugprint "$numLi: $logLi"
if $logLi =~ /warning|error/i and $logLi !~ /Logging to/;
$nbErrLog++ if $logLi =~ /error/i and $logLi !~ /Logging to/;
$nbErrLog++ if $logLi =~ /error/i and $logLi !~ /Logging to/;
$nbWarnLog++ if $logLi =~ /warning/i;
push @lastShutdowns, $logLi
if $logLi =~ /Shutdown complete/ and $logLi !~ /Innodb/i;
@ -1513,7 +1514,7 @@ sub cve_recommendations {
if ( $mysqlvermajor eq 5 and $mysqlverminor eq 5 ) {
infoprint
"False positive CVE(s) for MySQL and MariaDB 5.5.x can be found.";
infoprint "Check careful each CVE for those particular versions";
infoprint "Check carefully each CVE for those particular versions";
}
badprint $cvefound . " CVE(s) found for your MySQL release.";
push( @generalrec,
@ -1873,7 +1874,7 @@ sub system_recommendations {
. scalar @opened_ports
. " listening port(s) on this server.";
if ( scalar(@opened_ports) > $opt{'maxportallowed'} ) {
badprint "There is too many listening ports: "
badprint "There are too many listening ports: "
. scalar(@opened_ports)
. " opened > "
. $opt{'maxportallowed'}
@ -1883,7 +1884,7 @@ sub system_recommendations {
);
}
else {
goodprint "There is less than "
goodprint "There are less than "
. $opt{'maxportallowed'}
. " opened ports on this server.";
}
@ -1945,21 +1946,25 @@ sub security_recommendations {
debugprint "Password column = $PASS_COLUMN_NAME";
# IS THERE A ROLE COLUMN
my $is_role_column = select_one "select count(*) from information_schema.columns where TABLE_NAME='user' AND TABLE_SCHEMA='mysql' and COLUMN_NAME='IS_ROLE'";
my $is_role_column = select_one
"select count(*) from information_schema.columns where TABLE_NAME='user' AND TABLE_SCHEMA='mysql' and COLUMN_NAME='IS_ROLE'";
my $extra_user_condition="";
$extra_user_condition="IS_ROLE = 'N' AND" if $is_role_column > 0;
my $extra_user_condition = "";
$extra_user_condition = "IS_ROLE = 'N' AND" if $is_role_column > 0;
my @mysqlstatlist;
if ($is_role_column > 0) {
@mysqlstatlist= select_array "SELECT CONCAT(QUOTE(user), '\@', QUOTE(host)) FROM mysql.user WHERE IS_ROLE='Y'";
if ( $is_role_column > 0 ) {
@mysqlstatlist = select_array
"SELECT CONCAT(QUOTE(user), '\@', QUOTE(host)) FROM mysql.user WHERE IS_ROLE='Y'";
foreach my $line ( sort @mysqlstatlist ) {
chomp($line);
infoprint "User $line is User Role";
}
} else {
debugprint "No Role user detected";
goodprint "No Role user detected";
}
else {
debugprint "No Role user detected";
goodprint "No Role user detected";
}
# Looking for Anonymous users
@mysqlstatlist = select_array
"SELECT CONCAT(QUOTE(user), '\@', QUOTE(host)) FROM mysql.user WHERE $extra_user_condition (TRIM(USER) = '' OR USER IS NULL)";
@ -1985,7 +1990,7 @@ sub security_recommendations {
}
if ( mysql_version_le( 5, 1 ) ) {
badprint "No more password checks for MySQL version <=5.1";
badprint "MySQL version <=5.1 are deprecated and end of support.";
badprint "MySQL version <=5.1 is deprecated and end of support.";
return;
}
@ -2093,7 +2098,7 @@ q{SELECT CONCAT(QUOTE(user), '@', QUOTE(host)) FROM mysql.global_priv WHERE
. $pass
. "', 2, LENGTH('"
. $pass . "'))))";
debugprint "There is " . scalar(@mysqlstatlist) . " items.";
debugprint "There are " . scalar(@mysqlstatlist) . " items.";
if (@mysqlstatlist) {
foreach my $line (@mysqlstatlist) {
chomp($line);
@ -2135,14 +2140,22 @@ sub get_replication_status {
infoprint "Semi synchronous replication Master: "
. (
( defined( $myvar{'rpl_semi_sync_master_enabled'} ) or defined( $myvar{'rpl_semi_sync_source_enabled'} ) )
? ( $myvar{'rpl_semi_sync_master_enabled'} // $myvar{'rpl_semi_sync_source_enabled'} )
(
defined( $myvar{'rpl_semi_sync_master_enabled'} )
or defined( $myvar{'rpl_semi_sync_source_enabled'} )
)
? ( $myvar{'rpl_semi_sync_master_enabled'}
// $myvar{'rpl_semi_sync_source_enabled'} )
: 'Not Activated'
);
infoprint "Semi synchronous replication Slave: "
. (
( defined( $myvar{'rpl_semi_sync_slave_enabled'} ) or defined( $myvar{'rpl_semi_sync_replica_enabled'} ) )
? ( $myvar{'rpl_semi_sync_slave_enabled'} // $myvar{'rpl_semi_sync_replica_enabled'} )
(
defined( $myvar{'rpl_semi_sync_slave_enabled'} )
or defined( $myvar{'rpl_semi_sync_replica_enabled'} )
)
? ( $myvar{'rpl_semi_sync_slave_enabled'}
// $myvar{'rpl_semi_sync_replica_enabled'} )
: 'Not Activated'
);
if ( scalar( keys %myrepl ) == 0 and scalar( keys %myslaves ) == 0 ) {
@ -2156,13 +2169,15 @@ sub get_replication_status {
}
$result{'Replication'}{'status'} = \%myrepl;
my ($io_running) = $myrepl{'Slave_IO_Running'} // $myrepl{'Replica_IO_Running'};
my ($io_running) = $myrepl{'Slave_IO_Running'}
// $myrepl{'Replica_IO_Running'};
debugprint "IO RUNNING: $io_running ";
my ($sql_running) = $myrepl{'Slave_SQL_Running'} // $myrepl{'Replica_SQL_Running'};
my ($sql_running) = $myrepl{'Slave_SQL_Running'}
// $myrepl{'Replica_SQL_Running'};
debugprint "SQL RUNNING: $sql_running ";
my ($seconds_behind_master) = $myrepl{'Seconds_Behind_Master'} // $myrepl{'Seconds_Behind_Source'} ;
my ($seconds_behind_master) = $myrepl{'Seconds_Behind_Master'}
// $myrepl{'Seconds_Behind_Source'};
$seconds_behind_master = 1000000 unless defined($seconds_behind_master);
debugprint "SECONDS : $seconds_behind_master ";
@ -2173,7 +2188,7 @@ sub get_replication_status {
"This replication slave is not running but seems to be configured.";
}
if ( defined($io_running)
&& $io_running =~ /yes/i
&& $io_running =~ /yes/i
&& $sql_running =~ /yes/i )
{
if ( $myvar{'read_only'} eq 'OFF' ) {
@ -2209,18 +2224,20 @@ sub validate_mysql_version {
or mysql_version_eq( 10, 5 )
or mysql_version_eq( 10, 6 )
or mysql_version_eq( 10, 7 )
or mysql_version_eq( 10, 8 )
)
or mysql_version_eq( 10, 8 ) )
{
goodprint "Currently running supported MySQL version "
. $myvar{'version'} . "";
return;
} else {
}
else {
badprint "Your MySQL version "
. $myvar{'version'}
. " is EOL software! Upgrade soon!";
push ( @generalrec, "You are using n unsupported version for production environments");
push ( @generalrec, "Upgrade as soon as possible to a supported version !");
. " is EOL software. Upgrade soon!";
push( @generalrec,
"You are using an unsupported version for production environments" );
push( @generalrec,
"Upgrade as soon as possible to a supported version !" );
}
}
@ -2407,7 +2424,7 @@ sub check_storage_engines {
# 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),SUM(DATA_LENGTH),SUM(INDEX_LENGTH) 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;";
"SELECT ENGINE, SUM(DATA_LENGTH+INDEX_LENGTH), COUNT(ENGINE), SUM(DATA_LENGTH), SUM(INDEX_LENGTH) 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 ( $engine, $size, $count, $dsize, $isize );
foreach my $line (@templist) {
@ -2516,9 +2533,9 @@ sub check_storage_engines {
&& defined $myvar{'have_isam'}
&& $myvar{'have_isam'} eq "YES" )
{
badprint "MYISAM is enabled but isn't being used";
badprint "MyISAM is enabled but isn't being used";
push( @generalrec,
"Add skip-isam to MySQL configuration to disable ISAM (MySQL > 4.1.0)"
"Add skip-isam to MySQL configuration to disable MyISAM (MySQL > 4.1.0)"
);
}
@ -2590,7 +2607,6 @@ sub check_storage_engines {
}
}
}
}
my %mycalc;
@ -2777,9 +2793,9 @@ sub calculations {
}
elsif ( mysql_version_ge(5) ) {
$mycalc{'total_myisam_indexes'} = select_one
"SELECT IFNULL(SUM(INDEX_LENGTH),0) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema') AND ENGINE = 'MyISAM';";
"SELECT IFNULL(SUM(INDEX_LENGTH), 0) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema') AND ENGINE = 'MyISAM';";
$mycalc{'total_aria_indexes'} = select_one
"SELECT IFNULL(SUM(INDEX_LENGTH),0) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema') AND ENGINE = 'Aria';";
"SELECT IFNULL(SUM(INDEX_LENGTH), 0) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema') AND ENGINE = 'Aria';";
}
if ( defined $mycalc{'total_myisam_indexes'} ) {
chomp( $mycalc{'total_myisam_indexes'} );
@ -2860,7 +2876,6 @@ sub calculations {
)
);
}
}
else {
$mycalc{'table_cache_hit_rate'} = 100;
@ -3188,24 +3203,27 @@ sub mysql_stats {
infoprint
"Skipped name resolution test due to missing skip_name_resolve in system variables.";
}
#Cpanel and Skip name resolve
elsif ( -r "/usr/local/cpanel/cpanel" ){
if ( $result{'Variables'}{'skip_name_resolve'} ne 'OFF') {
elsif ( -r "/usr/local/cpanel/cpanel" ) {
if ( $result{'Variables'}{'skip_name_resolve'} ne 'OFF' ) {
infoprint "CPanel and Flex system skip-name-resolve should be on";
}
if ( $result{'Variables'}{'skip_name_resolve'} eq 'OFF') {
if ( $result{'Variables'}{'skip_name_resolve'} eq 'OFF' ) {
badprint "CPanel and Flex system skip-name-resolve should be on";
push (@generalrec, "name resolution is enabled due to cPanel doesn't support this disabled.");
push (@adjvars, "skip-name-resolve=0");
push( @generalrec,
"name resolution is enabled due to cPanel doesn't support this disabled."
);
push( @adjvars, "skip-name-resolve=0" );
}
}
elsif ( $result{'Variables'}{'skip_name_resolve'} eq 'OFF' ) {
badprint
"Name resolution is active: a reverse name resolution is made for each new connection and can reduce performance";
"Name resolution is active: a reverse name resolution is made for each new connection which can reduce performance";
push( @generalrec,
"Configure your accounts with ip or subnets only, then update your configuration with skip-name-resolve=1"
);
push (@adjvars, "skip-name-resolve=1");
push( @adjvars, "skip-name-resolve=1" );
}
# Query cache
@ -3470,7 +3488,7 @@ sub mysql_stats {
"This is MyISAM only table_cache scalability problem, InnoDB not affected."
);
push( @generalrec,
"See more details here: https://bugs.mysql.com/bug.php?id=49177"
"For more details see: https://bugs.mysql.com/bug.php?id=49177"
);
push( @generalrec,
"This bug already fixed in MySQL 5.7.9 and newer MySQL versions."
@ -3510,7 +3528,7 @@ sub mysql_stats {
$mycalc{'total_tables'} = $nbtables;
if ( defined $myvar{'table_definition_cache'} ) {
if ( $myvar{'table_definition_cache'} == -1 ) {
infoprint( "table_definition_cache("
infoprint( "table_definition_cache ("
. $myvar{'table_definition_cache'}
. ") is in autosizing mode" );
}
@ -3519,7 +3537,7 @@ sub mysql_stats {
. $myvar{'table_definition_cache'}
. ") is less than number of tables ($nbtables) ";
push( @adjvars,
"table_definition_cache("
"table_definition_cache ("
. $myvar{'table_definition_cache'} . ") > "
. $nbtables
. " or -1 (autosizing if supported)" );
@ -3619,16 +3637,16 @@ sub mysql_stats {
sub mysql_myisam {
subheaderprint "MyISAM Metrics";
if ( mysql_version_ge(8) and mysql_version_le(10) ) {
infoprint "MyISAM Metrics are disabled on last MySQL versions.";
if ( $myvar{'key_buffer_size'} > 0) {
infoprint "MyISAM Metrics are disabled since MySQL 8.0.";
if ( $myvar{'key_buffer_size'} > 0 ) {
push( @adjvars, "key_buffer_size=0" );
push( @generalrec, "Buffer Key MyISAM set to 0, no MyISAM table detected" );
push( @generalrec,
"Buffer Key MyISAM set to 0, no MyISAM table detected" );
}
return;
}
my $nb_myisam_tables=select_one(
"SELECT COUNT(*) FROM information_schema.TABLES WHERE ENGINE='MyISAM'"
);
my $nb_myisam_tables = select_one(
"SELECT COUNT(*) FROM information_schema.TABLES WHERE ENGINE='MyISAM'");
if ( $nb_myisam_tables == 0 ) {
infoprint "No MyISAM table(s) detected ....";
return;
@ -3823,13 +3841,13 @@ sub mariadb_threadpool {
if ( $myvar{'thread_pool_size'} < 4 or $myvar{'thread_pool_size'} > 8 )
{
badprint
"thread_pool_size between 4 and 8 when using MyIsam storage engine.";
"thread_pool_size between 4 and 8 when using MyISAM storage engine.";
push( @generalrec,
"Thread pool size for MyIsam usage ("
"Thread pool size for MyISAM usage ("
. $myvar{'thread_pool_size'}
. ")" );
push( @adjvars,
"thread_pool_size between 4 and 8 for MyIsam usage" );
"thread_pool_size between 4 and 8 for MyISAM usage" );
}
else {
goodprint
@ -3858,12 +3876,11 @@ sub mysqsl_pfs {
# Performance Schema
$myvar{'performance_schema'} = 'OFF'
unless defined( $myvar{'performance_schema'} );
if ($myvar{'performance_schema'} eq 'OFF') {
if ( $myvar{'performance_schema'} eq 'OFF' ) {
badprint "Performance_schema should be activated.";
push( @adjvars, "performance_schema=ON" );
push( @generalrec,
"Performance schema should be activated for better diagnostics"
);
"Performance schema should be activated for better diagnostics" );
}
if ( $myvar{'performance_schema'} eq 'ON' ) {
infoprint "Performance_schema is activated.";
@ -3872,12 +3889,12 @@ sub mysqsl_pfs {
}
unless ( grep /^sys$/, select_array("SHOW DATABASES") ) {
infoprint "Sys schema isn't installed.";
infoprint "Sys schema is not installed.";
push( @generalrec,
"Consider installing Sys schema from https://github.com/mysql/mysql-sys for MySQL"
"Consider installing Sys schema from https://github.com/mysql/mysql-sys for MySQL"
) unless ( mysql_version_le( 5, 6 ) );
push( @generalrec,
"Consider installing Sys schema from https://github.com/FromDual/mariadb-sys for MariaDB"
"Consider installing Sys schema from https://github.com/FromDual/mariadb-sys for MariaDB"
) unless ( mysql_version_ge( 10, 0 ) );
return;
@ -3888,9 +3905,9 @@ sub mysqsl_pfs {
infoprint "Sys schema Version: "
. select_one("select sys_version from sys.version");
# Store all sys schema
# Store all sys schema
# for my $pfs_view(select_array('use sys;show tables;')){
#infoprint "$pfs_view"
#infoprint "$pfs_view"
# @$result{'sys'}{$pfs_view}{'headers'}=[];
# for my $h (select_array("select column_name FROM INFORMATION_SCHEMA.COLUMNS c
# WHERE c.table_name = '$pfs_view' ORDER BY c.ORDINAL_POSITION")) {
@ -3902,7 +3919,7 @@ sub mysqsl_pfs {
# push $result{'sys'}{$pfs_view}{'values'}, $lQuery;
# }
# }
# Top user per connection
# Top user per connection
subheaderprint "Performance schema: Top 5 user per connection";
my $nbL = 1;
for my $lQuery (
@ -4684,7 +4701,7 @@ sub mysqsl_pfs {
#schema_index_statistics
# TOP 15 most read index
subheaderprint "Performance schema: TOP 15 most read indexes";
subheaderprint "Performance schema: Top 15 most read indexes";
$nbL = 1;
for my $lQuery (
select_array(
@ -4774,7 +4791,7 @@ sub mysqsl_pfs {
if ( $nbL == 1 );
# TOP 15 most read tables
subheaderprint "Performance schema: TOP 15 most read tables";
subheaderprint "Performance schema: Top 15 most read tables";
$nbL = 1;
for my $lQuery (
select_array(
@ -4974,7 +4991,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 reader queries (95% percentile)";
subheaderprint "Performance schema: Top 15 reader queries (95% percentile)";
$nbL = 1;
for my $lQuery (
select_array(
@ -4989,7 +5006,7 @@ sub mysqsl_pfs {
if ( $nbL == 1 );
subheaderprint
"Performance schema: TOP 15 most row look queries (95% percentile)";
"Performance schema: Top 15 most row look queries (95% percentile)";
$nbL = 1;
for my $lQuery (
select_array(
@ -5004,7 +5021,7 @@ sub mysqsl_pfs {
if ( $nbL == 1 );
subheaderprint
"Performance schema: TOP 15 total latency queries (95% percentile)";
"Performance schema: Top 15 total latency queries (95% percentile)";
$nbL = 1;
for my $lQuery (
select_array(
@ -5019,7 +5036,7 @@ sub mysqsl_pfs {
if ( $nbL == 1 );
subheaderprint
"Performance schema: TOP 15 max latency queries (95% percentile)";
"Performance schema: Top 15 max latency queries (95% percentile)";
$nbL = 1;
for my $lQuery (
select_array(
@ -5034,7 +5051,7 @@ sub mysqsl_pfs {
if ( $nbL == 1 );
subheaderprint
"Performance schema: TOP 15 average latency queries (95% percentile)";
"Performance schema: Top 15 average latency queries (95% percentile)";
$nbL = 1;
for my $lQuery (
select_array(
@ -5076,7 +5093,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 row sorting queries with sort";
subheaderprint "Performance schema: Top 15 row sorting queries with sort";
$nbL = 1;
for my $lQuery (
select_array(
@ -5090,7 +5107,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 total latency queries with sort";
subheaderprint "Performance schema: Top 15 total latency queries with sort";
$nbL = 1;
for my $lQuery (
select_array(
@ -5104,7 +5121,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 merge queries with sort";
subheaderprint "Performance schema: Top 15 merge queries with sort";
$nbL = 1;
for my $lQuery (
select_array(
@ -5119,7 +5136,7 @@ sub mysqsl_pfs {
if ( $nbL == 1 );
subheaderprint
"Performance schema: TOP 15 average sort merges queries with sort";
"Performance schema: Top 15 average sort merges queries with sort";
$nbL = 1;
for my $lQuery (
select_array(
@ -5133,7 +5150,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 scans queries with sort";
subheaderprint "Performance schema: Top 15 scans queries with sort";
$nbL = 1;
for my $lQuery (
select_array(
@ -5147,7 +5164,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 range queries with sort";
subheaderprint "Performance schema: Top 15 range queries with sort";
$nbL = 1;
for my $lQuery (
select_array(
@ -5212,7 +5229,7 @@ sub mysqsl_pfs {
if ( $nbL == 1 );
subheaderprint
"Performance schema: TOP 15 total latency queries with temp table";
"Performance schema: Top 15 total latency queries with temp table";
$nbL = 1;
for my $lQuery (
select_array(
@ -5226,7 +5243,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 queries with temp table to disk";
subheaderprint "Performance schema: Top 15 queries with temp table to disk";
$nbL = 1;
for my $lQuery (
select_array(
@ -5243,7 +5260,7 @@ sub mysqsl_pfs {
##################################################################################
#wait_classes_global_by_latency
#ysql> select * from wait_classes_global_by_latency;
#mysql> select * from wait_classes_global_by_latency;
#-----------------+-------+---------------+-------------+-------------+-------------+
# event_class | total | total_latency | min_latency | avg_latency | max_latency |
#-----------------+-------+---------------+-------------+-------------+-------------+
@ -5253,7 +5270,7 @@ sub mysqsl_pfs {
#-----------------+-------+---------------+-------------+-------------+-------------+
# rows in set (0,00 sec)
subheaderprint "Performance schema: TOP 15 class events by number";
subheaderprint "Performance schema: Top 15 class events by number";
$nbL = 1;
for my $lQuery (
select_array(
@ -5267,7 +5284,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 30 events by number";
subheaderprint "Performance schema: Top 30 events by number";
$nbL = 1;
for my $lQuery (
select_array(
@ -5281,7 +5298,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 class events by total latency";
subheaderprint "Performance schema: Top 15 class events by total latency";
$nbL = 1;
for my $lQuery (
select_array(
@ -5295,7 +5312,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 30 events by total latency";
subheaderprint "Performance schema: Top 30 events by total latency";
$nbL = 1;
for my $lQuery (
select_array(
@ -5309,7 +5326,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 15 class events by max latency";
subheaderprint "Performance schema: Top 15 class events by max latency";
$nbL = 1;
for my $lQuery (
select_array(
@ -5323,7 +5340,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators deactivated."
if ( $nbL == 1 );
subheaderprint "Performance schema: TOP 30 events by max latency";
subheaderprint "Performance schema: Top 30 events by max latency";
$nbL = 1;
for my $lQuery (
select_array(
@ -5573,26 +5590,26 @@ group by c.table_schema,c.table_name
having sum(if(c.column_key in ('PRI','UNI'), 1,0)) = 0"
);
infoprint "CPU core detected : " . (cpu_cores);
infoprint "CPU cores detected : " . (cpu_cores);
infoprint "wsrep_slave_threads: " . get_wsrep_option('wsrep_slave_threads');
if ( get_wsrep_option('wsrep_slave_threads') > ( (cpu_cores) * 4 )
or get_wsrep_option('wsrep_slave_threads') < ( (cpu_cores) * 2 ) )
{
badprint
"wsrep_slave_threads is not equal to 2, 3 or 4 times number of CPU(s)";
"wsrep_slave_threads is not equal to 2, 3 or 4 times the number of CPU(s)";
push @adjvars, "wsrep_slave_threads = " . ( (cpu_cores) * 4 );
}
else {
goodprint
"wsrep_slave_threads is equal to 2, 3 or 4 times number of CPU(s)";
"wsrep_slave_threads is equal to 2, 3 or 4 times the number of CPU(s)";
}
if ( get_wsrep_option('wsrep_slave_threads') > 1 ) {
infoprint
"wsrep parallel slave can cause frequent inconsistency crash.";
push @adjvars,
"Set wsrep_slave_threads to 1 in case of HA_ERR_FOUND_DUPP_KEY crash on slave";
"Set wsrep_slave_threads to 1 in case of HA_ERR_FOUND_DUPP_KEY crash on slave";
# check options for parallel slave
if ( get_wsrep_option('wsrep_slave_FK_checks') eq "OFF" ) {
@ -5635,7 +5652,7 @@ having sum(if(c.column_key in ('PRI','UNI'), 1,0)) = 0"
}
else {
goodprint
"Flow control fraction seems to be OK (wsrep_flow_control_paused<=0.02)";
"Flow control fraction seems to be OK (wsrep_flow_control_paused <= 0.02)";
}
if ( scalar(@primaryKeysNbTables) > 0 ) {
@ -5697,14 +5714,14 @@ having sum(if(c.column_key in ('PRI','UNI'), 1,0)) = 0"
}
else {
badprint
"There are $nbNodesSize nodes in wsrep_cluster_size. Prefer 3 or 5 nodes architecture.";
"There are $nbNodesSize nodes in wsrep_cluster_size. Prefer 3 or 5 nodes architecture.";
push @generalrec, "Prefer 3 or 5 nodes architecture.";
}
# wsrep_cluster_address doesn't include garbd nodes
if ( $nbNodes > $nbNodesSize ) {
badprint
"All cluster nodes are not detected. wsrep_cluster_size less then node count in wsrep_cluster_address";
"All cluster nodes are not detected. wsrep_cluster_size less than node count in wsrep_cluster_address";
}
else {
goodprint "All cluster nodes detected.";
@ -5742,14 +5759,14 @@ having sum(if(c.column_key in ('PRI','UNI'), 1,0)) = 0"
}
else {
badprint "Galera Notify command is not defined.";
push( @adjvars, "set up parameter wsrep_notify_cmd to be notify" );
push( @adjvars, "set up parameter wsrep_notify_cmd to be notified" );
}
if ( trim( $myvar{'wsrep_sst_method'} ) !~ "^xtrabackup.*"
and trim( $myvar{'wsrep_sst_method'} ) !~ "^mariabackup" )
{
badprint "Galera SST method is not xtrabackup based.";
push( @adjvars,
"set up parameter wsrep_sst_method to xtrabackup based parameter"
"set up parameter wsrep_sst_method to xtrabackup based parameter"
);
}
else {
@ -5851,10 +5868,10 @@ sub mysql_innodb {
$defengine = $myvar{'default_storage_engine'}
if defined( $myvar{'default_storage_engine'} );
badprint
"InnoDB Storage engine is disabled. $defengine is the default storage engine"
"InnoDB Storage engine is disabled. $defengine is the default storage engine"
if $defengine eq 'InnoDB';
infoprint
"InnoDB Storage engine is disabled. $defengine is the default storage engine"
"InnoDB Storage engine is disabled. $defengine is the default storage engine"
if $defengine ne 'InnoDB';
}
return;
@ -5934,12 +5951,12 @@ sub mysql_innodb {
# InnoDB Buffer Pool Size
if ( $myvar{'innodb_buffer_pool_size'} > $enginestats{'InnoDB'} ) {
goodprint "InnoDB buffer pool / data size: "
. hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . "/"
. hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . " / "
. hr_bytes( $enginestats{'InnoDB'} ) . "";
}
else {
badprint "InnoDB buffer pool / data size: "
. hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . "/"
. hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . " / "
. hr_bytes( $enginestats{'InnoDB'} ) . "";
push( @adjvars,
"innodb_buffer_pool_size (>= "
@ -5952,7 +5969,7 @@ sub mysql_innodb {
badprint "Ratio InnoDB log file size / InnoDB Buffer pool size ("
. $mycalc{'innodb_log_size_pct'} . "%): "
. hr_bytes( $myvar{'innodb_log_file_size'} ) . " * "
. $myvar{'innodb_log_files_in_group'} . "/"
. $myvar{'innodb_log_files_in_group'} . " / "
. hr_bytes( $myvar{'innodb_buffer_pool_size'} )
. " should be equal to 25%";
push(
@ -5966,7 +5983,7 @@ sub mysql_innodb {
);
if ( mysql_version_le( 5, 6, 2 ) ) {
push( @generalrec,
"For MySQL 5.6.2 and lower, Max combined innodb_log_file_size should have a ceiling of (4096MB / log files in group) - 1MB."
"For MySQL 5.6.2 and lower, total innodb_log_file_size should have a ceiling of (4096MB / log files in group) - 1MB."
);
}
push( @generalrec,
@ -6178,7 +6195,7 @@ sub mysql_databases {
subheaderprint "Database Metrics";
unless ( mysql_version_ge( 5, 5 ) ) {
infoprint
"Skip Database metrics from information schema missing in this version";
"Skip Database metrics from information schema are missing in this version";
return;
}
@ -6188,20 +6205,20 @@ sub mysql_databases {
infoprint "There is " . scalar(@dblist) . " Database(s).";
my @totaldbinfo = split /\s/,
select_one(
"SELECT SUM(TABLE_ROWS), SUM(DATA_LENGTH), SUM(INDEX_LENGTH) , SUM(DATA_LENGTH+INDEX_LENGTH), COUNT(TABLE_NAME),COUNT(DISTINCT(TABLE_COLLATION)),COUNT(DISTINCT(ENGINE)) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ( 'mysql', 'performance_schema', 'information_schema', 'sys' );"
"SELECT SUM(TABLE_ROWS), SUM(DATA_LENGTH), SUM(INDEX_LENGTH), SUM(DATA_LENGTH+INDEX_LENGTH), COUNT(TABLE_NAME), COUNT(DISTINCT(TABLE_COLLATION)), COUNT(DISTINCT(ENGINE)) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('mysql', 'performance_schema', 'information_schema', 'sys');"
);
infoprint "All User Databases:";
infoprint " +-- TABLE : "
. select_one(
"SELECT count(*) from information_schema.TABLES WHERE TABLE_TYPE ='BASE TABLE' AND TABLE_SCHEMA NOT IN ( 'mysql', 'performance_schema', 'information_schema', 'sys' )"
"SELECT count(*) from information_schema.TABLES WHERE TABLE_TYPE ='BASE TABLE' AND TABLE_SCHEMA NOT IN ('mysql', 'performance_schema', 'information_schema', 'sys')"
) . "";
infoprint " +-- VIEW : "
. select_one(
"SELECT count(*) from information_schema.TABLES WHERE TABLE_TYPE ='VIEW' AND TABLE_SCHEMA NOT IN ( 'mysql', 'performance_schema', 'information_schema', 'sys' )"
"SELECT count(*) from information_schema.TABLES WHERE TABLE_TYPE ='VIEW' AND TABLE_SCHEMA NOT IN ('mysql', 'performance_schema', 'information_schema', 'sys')"
) . "";
infoprint " +-- INDEX : "
. select_one(
"SELECT count(distinct(concat(TABLE_NAME, TABLE_SCHEMA, INDEX_NAME))) from information_schema.STATISTICS WHERE TABLE_SCHEMA NOT IN ( 'mysql', 'performance_schema', 'information_schema', 'sys' )"
"SELECT count(distinct(concat(TABLE_NAME, TABLE_SCHEMA, INDEX_NAME))) from information_schema.STATISTICS WHERE TABLE_SCHEMA NOT IN ('mysql', 'performance_schema', 'information_schema', 'sys')"
) . "";
infoprint " +-- CHARS : "
@ -6209,7 +6226,7 @@ sub mysql_databases {
. (
join ", ",
select_array(
"select distinct(CHARACTER_SET_NAME) from information_schema.columns WHERE CHARACTER_SET_NAME IS NOT NULL AND TABLE_SCHEMA NOT IN ( 'mysql', 'performance_schema', 'information_schema', 'sys' );"
"select distinct(CHARACTER_SET_NAME) from information_schema.columns WHERE CHARACTER_SET_NAME IS NOT NULL AND TABLE_SCHEMA NOT IN ('mysql', 'performance_schema', 'information_schema', 'sys');"
)
) . ")";
infoprint " +-- COLLA : "
@ -6217,7 +6234,7 @@ sub mysql_databases {
. (
join ", ",
select_array(
"SELECT DISTINCT(TABLE_COLLATION) FROM information_schema.TABLES WHERE TABLE_COLLATION IS NOT NULL AND TABLE_SCHEMA NOT IN ( 'mysql', 'performance_schema', 'information_schema', 'sys' );"
"SELECT DISTINCT(TABLE_COLLATION) FROM information_schema.TABLES WHERE TABLE_COLLATION IS NOT NULL AND TABLE_SCHEMA NOT IN ('mysql', 'performance_schema', 'information_schema', 'sys');"
)
) . ")";
infoprint " +-- ROWS : "
@ -6234,7 +6251,7 @@ sub mysql_databases {
. (
join ", ",
select_array(
"SELECT DISTINCT(ENGINE) FROM information_schema.TABLES WHERE ENGINE IS NOT NULL AND TABLE_SCHEMA NOT IN ( 'mysql', 'performance_schema', 'information_schema', 'sys' );"
"SELECT DISTINCT(ENGINE) FROM information_schema.TABLES WHERE ENGINE IS NOT NULL AND TABLE_SCHEMA NOT IN ('mysql', 'performance_schema', 'information_schema', 'sys');"
)
) . ")";
@ -6252,7 +6269,7 @@ sub mysql_databases {
foreach (@dblist) {
my @dbinfo = split /\s/,
select_one(
"SELECT TABLE_SCHEMA, SUM(TABLE_ROWS), SUM(DATA_LENGTH), SUM(INDEX_LENGTH) , SUM(DATA_LENGTH+INDEX_LENGTH), COUNT(DISTINCT ENGINE),COUNT(TABLE_NAME),COUNT(DISTINCT(TABLE_COLLATION)),COUNT(DISTINCT(ENGINE)) FROM information_schema.TABLES WHERE TABLE_SCHEMA='$_' GROUP BY TABLE_SCHEMA ORDER BY TABLE_SCHEMA"
"SELECT TABLE_SCHEMA, SUM(TABLE_ROWS), SUM(DATA_LENGTH), SUM(INDEX_LENGTH), SUM(DATA_LENGTH+INDEX_LENGTH), COUNT(DISTINCT ENGINE), COUNT(TABLE_NAME), COUNT(DISTINCT(TABLE_COLLATION)), COUNT(DISTINCT(ENGINE)) FROM information_schema.TABLES WHERE TABLE_SCHEMA='$_' GROUP BY TABLE_SCHEMA ORDER BY TABLE_SCHEMA"
);
next unless defined $dbinfo[0];
infoprint "Database: " . $dbinfo[0] . "";
@ -6409,12 +6426,12 @@ sub mysql_tables {
subheaderprint "Table Column Metrics";
unless ( mysql_version_ge( 5, 5 ) ) {
infoprint
"Skip Database metrics from information schema missing in this version";
"Skip Database metrics from information schema are missing in this version";
return;
}
if ( mysql_version_ge(8) and not mysql_version_eq(10) ) {
infoprint
"MySQL and Percona version 8 and greater have remove PROCEDURE ANALYSE feature";
"MySQL and Percona version 8.0 and greater have removed PROCEDURE ANALYSE feature";
$opt{colstat} = 0;
infoprint "Disabling colstat parameter";
@ -6517,7 +6534,7 @@ sub mysql_indexes {
subheaderprint "Indexes Metrics";
unless ( mysql_version_ge( 5, 5 ) ) {
infoprint
"Skip Index metrics from information schema missing in this version";
"Skip Index metrics from information schema are missing in this version";
return;
}
@ -6528,8 +6545,8 @@ sub mysql_indexes {
# }
my $selIdxReq = <<'ENDSQL';
SELECT
CONCAT(t.TABLE_SCHEMA, '.',t.TABLE_NAME) AS 'table',
CONCAT(s.INDEX_NAME, '(',s.COLUMN_NAME, ')') AS 'index'
CONCAT(t.TABLE_SCHEMA, '.', t.TABLE_NAME) AS 'table',
CONCAT(s.INDEX_NAME, '(', s.COLUMN_NAME, ')') AS 'index'
, s.SEQ_IN_INDEX AS 'seq'
, s2.max_columns AS 'maxcol'
, s.CARDINALITY AS 'card'
@ -6591,7 +6608,7 @@ ENDSQL
foreach my $dbname ( select_user_dbs() ) {
infoprint "Database: " . $dbname . "";
$selIdxReq = <<"ENDSQL";
SELECT concat(table_name,'.', index_name) AS idxname,
SELECT concat(table_name, '.', index_name) AS idxname,
GROUP_CONCAT(column_name ORDER BY seq_in_index) AS cols,
SUM(CARDINALITY) as card,
INDEX_TYPE as type
@ -6620,12 +6637,12 @@ ENDSQL
and $myvar{'performance_schema'} eq 'ON' );
$selIdxReq = <<'ENDSQL';
SELECT CONCAT(object_schema,'.',object_name) AS 'table', index_name
SELECT CONCAT(object_schema, '.', object_name) AS 'table', index_name
FROM performance_schema.table_io_waits_summary_by_index_usage
WHERE index_name IS NOT NULL
AND count_star =0
AND index_name <> 'PRIMARY'
AND object_schema NOT IN ( 'mysql', 'performance_schema', 'information_schema' )
AND object_schema NOT IN ('mysql', 'performance_schema', 'information_schema')
ORDER BY count_star, object_schema, object_name;
ENDSQL
@idxinfo = select_array($selIdxReq);
@ -6644,7 +6661,7 @@ sub mysql_views() {
subheaderprint "Views Metrics";
unless ( mysql_version_ge( 5, 5 ) ) {
infoprint
"Skip Index metrics from information schema missing in this version";
"Skip Index metrics from information schema are missing in this version";
return;
}
}
@ -6653,7 +6670,7 @@ sub mysql_routines() {
subheaderprint "Routines Metrics";
unless ( mysql_version_ge( 5, 5 ) ) {
infoprint
"Skip Index metrics from information schema missing in this version";
"Skip Index metrics from information schema are missing in this version";
return;
}
}
@ -6662,14 +6679,14 @@ sub mysql_triggers() {
subheaderprint "Triggers Metrics";
unless ( mysql_version_ge( 5, 5 ) ) {
infoprint
"Skip Index metrics from information schema missing in this version";
"Skip Index metrics from information schema are missing in this version";
return;
}
}
# Take the two recommendation arrays and display them at the end of the output
sub make_recommendations {
$result{'Recommendations'} = \@generalrec;
$result{'Recommendations'} = \@generalrec;
$result{'AdjustVariables'} = \@adjvars;
subheaderprint "Recommendations";
if ( @generalrec > 0 ) {
@ -6695,8 +6712,7 @@ sub close_outputfile {
}
sub headerprint {
prettyprint
" >> MySQLTuner $tunerversion\n"
prettyprint " >> MySQLTuner $tunerversion\n"
. "\t * Jean-Marie Renouard <jmrenouard\@gmail.com>\n"
. "\t * Major Hayden <major\@mhtx.net>\n"
. " >> Bug reports, feature requests, and downloads at http://mysqltuner.pl/\n"
@ -6847,25 +6863,25 @@ system_recommendations; # avoid to many service on the same host
log_file_recommendations; # check log file content
check_storage_engines; # Show enabled storage engines
check_metadata_perf; # Show parameter impacting performance during analysis
mysql_databases; # Show informations about databases
mysql_tables; # Show informations about table column
check_metadata_perf; # Show parameter impacting performance during analysis
mysql_databases; # Show informations about databases
mysql_tables; # Show informations about table column
mysql_indexes; # Show informations about indexes
mysql_views; # Show informations about views
mysql_triggers; # Show informations about triggers
mysql_routines; # Show informations about routines
security_recommendations; # Display some security recommendations
cve_recommendations; # Display related CVE
calculations; # Calculate everything we need
mysql_stats; # Print the server stats
mysqsl_pfs; # Print Performance schema info
mariadb_threadpool; # Print MariaDB ThreadPool stats
mysql_myisam; # Print MyISAM stats
mysql_innodb; # Print InnoDB stats
mariadb_aria; # Print MariaDB Aria stats
mariadb_tokudb; # Print MariaDB Tokudb stats
mariadb_xtradb; # Print MariaDB XtraDB stats
mysql_indexes; # Show informations about indexes
mysql_views; # Show informations about views
mysql_triggers; # Show informations about triggers
mysql_routines; # Show informations about routines
security_recommendations; # Display some security recommendations
cve_recommendations; # Display related CVE
calculations; # Calculate everything we need
mysql_stats; # Print the server stats
mysqsl_pfs; # Print Performance schema info
mariadb_threadpool; # Print MariaDB ThreadPool stats
mysql_myisam; # Print MyISAM stats
mysql_innodb; # Print InnoDB stats
mariadb_aria; # Print MariaDB Aria stats
mariadb_tokudb; # Print MariaDB Tokudb stats
mariadb_xtradb; # Print MariaDB XtraDB stats
#mariadb_rockdb; # Print MariaDB RockDB stats
#mariadb_spider; # Print MariaDB Spider stats
@ -6889,7 +6905,7 @@ __END__
=head1 NAME
MySQLTuner 2.0.4 - MySQL High Performance Tuning Script
MySQLTuner2.0.5 - MySQL High Performance Tuning Script
=head1 IMPORTANT USAGE GUIDELINES
@ -6920,7 +6936,7 @@ You must provide the remote server's total memory when connecting to other serve
(Recommended for servers with many tables)
--json Print result as JSON string
--prettyjson Print result as JSON formatted string
--skippassword Don't perform checks on user passwords(default: off)
--skippassword Don't perform checks on user passwords (default: off)
--checkversion Check for updates to MySQLTuner (default: don't check)
--updateversion Check for updates to MySQLTuner and update when newer version is available (default: don't check)
--forcemem <size> Amount of RAM installed in megabytes
@ -6953,12 +6969,11 @@ You must provide the remote server's total memory when connecting to other serve
--nosysstat Don't Print system information
--pfstat Print Performance schema
--nopfstat Don't Print Performance schema
--bannedports Ports banned separated by comma(,)
--server-log Define specifi error_log to analyze
--maxportallowed Number of ports opened allowed on this hosts
--bannedports Ports banned separated by comma (,)
--server-log Define specific error_log to analyze
--maxportallowed Number of ports opened allowed on this host
--buffers Print global and per-thread buffer values
=head1 PERLDOC
You can find documentation for this module with the perldoc command.

203
vulnerabilities.csv
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