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Adding detection of non primary key tables

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Adding detection of non InnoDB tables
Adding detection of non utf8 colums
This commit is contained in:
Jean-Marie Renouard 2023-06-22 23:00:28 +02:00
parent 2185340548
commit 5fac4cd07d
2 changed files with 95 additions and 35 deletions
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3
.gitignore vendored
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@ -15,4 +15,5 @@ golang/prog-*
test_db/**
result*
result_*
sql/*.sql
sql/*.sql
sql/*.csv

127
mysqltuner.pl
View file

@ -1120,6 +1120,7 @@ sub select_csv_file {
print $l if $opt{debug};
}
close $fh;
infoprint "CSV file $tfile created";
}
sub human_size {
@ -5722,6 +5723,97 @@ sub get_wsrep_option {
return $memValue;
}
# REcommendations for Tables
sub mysql_table_structures {
subheaderprint "Table structures analysis";
my @primaryKeysNbTables = select_array(
"Select CONCAT(c.table_schema, ',' , c.table_name)
from information_schema.columns c
join information_schema.tables t using (TABLE_SCHEMA, TABLE_NAME)
where c.table_schema not in ('sys', 'mysql', 'information_schema', 'performance_schema')
and t.table_type = 'BASE TABLE'
group by c.table_schema,c.table_name
having sum(if(c.column_key in ('PRI', 'UNI'), 1, 0)) = 0"
);
my $tmpContent='Schema,Table';
if ( scalar(@primaryKeysNbTables) > 0 ) {
badprint "Following table(s) don't have primary key:";
foreach my $badtable (@primaryKeysNbTables) {
badprint "\t$badtable";
push @{ $result{'Tables without PK'} }, $badtable;
$tmpContent.="\n$badtable";
}
push @generalrec,
"Ensure that all table(s) get an explicit primary keys for performance, maintenance and also for replication";
}
else {
goodprint "All tables get a primary key";
}
dump_into_file( "tables_without_primary_keys.csv", $tmpContent );
my @nonInnoDBTables = select_array(
"select CONCAT(table_schema, ',', table_name, ',', ENGINE)
FROM information_schema.tables t
WHERE ENGINE <> 'InnoDB'
and t.table_type = 'BASE TABLE'
and table_schema not in
('sys', 'mysql', 'performance_schema', 'information_schema')"
);
$tmpContent='Schema,Table,Engine';
if ( scalar(@nonInnoDBTables) > 0 ) {
badprint "Following table(s) are not InnoDB table:";
push @generalrec,
"Ensure that all table(s) are InnoDB tables for performance and also for replication";
foreach my $badtable (@nonInnoDBTables) {
badprint "\t$badtable";
$tmpContent.="\n$badtable";
}
}
else {
goodprint "All tables are InnoDB tables";
}
dump_into_file( "tables_non_innodb.csv", $tmpContent );
my @nonutf8columns = select_array(
"SELECT CONCAT(table_schema, ',', table_name, ',', column_name, ',', CHARacter_set_name, ',', COLLATION_name, ',', data_type, ',', CHARACTER_MAXIMUM_LENGTH)
from information_schema.columns
WHERE table_schema not in ('sys', 'mysql', 'performance_schema', 'information_schema')
and (CHARacter_set_name NOT LIKE 'utf8%'
or COLLATION_name NOT LIKE 'utf8%');"
);
$tmpContent='Schema,Table,Column, Charset, Collation, Data Type, Max Length';
if ( scalar(@nonutf8columns) > 0 ) {
badprint "Following character columns(s) are not utf8 compliant:";
push @generalrec,
"Ensure that all text colums(s) are UTF-8 compliant for encoding support and performance";
foreach my $badtable (@nonutf8columns) {
badprint "\t$badtable";
$tmpContent.="\n$badtable";
}
}
else {
goodprint "All columns are UTF-8 compliant";
}
dump_into_file( "columns_non_utf8.csv", $tmpContent );
my @utf8columns = select_array(
"SELECT CONCAT(table_schema, ',', table_name, ',', column_name, ',', CHARacter_set_name, ',', COLLATION_name, ',', data_type, ',', CHARACTER_MAXIMUM_LENGTH)
from information_schema.columns
WHERE table_schema not in ('sys', 'mysql', 'performance_schema', 'information_schema')
and (CHARacter_set_name LIKE 'utf8%'
or COLLATION_name LIKE 'utf8%');"
);
$tmpContent='Schema,Table,Column, Charset, Collation, Data Type, Max Length';
foreach my $badtable (@utf8columns) {
badprint "\t$badtable";
$tmpContent.="\n$badtable";
}
dump_into_file( "columns_utf8.csv", $tmpContent );
}
# Recommendations for Galera
sub mariadb_galera {
subheaderprint "Galera Metrics";
@ -5760,16 +5852,6 @@ sub mariadb_galera {
infoprint "GCache is using "
. hr_bytes_rnd( get_wsrep_option('gcache.mem_size') );
#my @primaryKeysNbTables=();
my @primaryKeysNbTables = select_array(
"Select CONCAT(c.table_schema,CONCAT('.', c.table_name))
from information_schema.columns c
join information_schema.tables t using (TABLE_SCHEMA, TABLE_NAME)
where c.table_schema not in ('mysql', 'information_schema', 'performance_schema')
and t.table_type != 'VIEW'
group by c.table_schema,c.table_name
having sum(if(c.column_key in ('PRI', 'UNI'), 1, 0)) = 0"
);
infoprint "CPU cores detected : " . (cpu_cores);
infoprint "wsrep_slave_threads: " . get_wsrep_option('wsrep_slave_threads');
@ -5836,30 +5918,6 @@ having sum(if(c.column_key in ('PRI', 'UNI'), 1, 0)) = 0"
"Flow control fraction seems to be OK (wsrep_flow_control_paused <= 0.02)";
}
if ( scalar(@primaryKeysNbTables) > 0 ) {
badprint "Following table(s) don't have primary key:";
foreach my $badtable (@primaryKeysNbTables) {
badprint "\t$badtable";
push @{ $result{'Tables without PK'} }, $badtable;
}
}
else {
goodprint "All tables get a primary key";
}
my @nonInnoDBTables = select_array(
"select CONCAT(table_schema,CONCAT('.', table_name)) from information_schema.tables where ENGINE <> 'InnoDB' and table_schema not in ('mysql', 'performance_schema', 'information_schema')"
);
if ( scalar(@nonInnoDBTables) > 0 ) {
badprint "Following table(s) are not InnoDB table:";
push @generalrec,
"Ensure that all table(s) are InnoDB tables for Galera replication";
foreach my $badtable (@nonInnoDBTables) {
badprint "\t$badtable";
}
}
else {
goodprint "All tables are InnoDB tables";
}
if ( $myvar{'binlog_format'} ne 'ROW' ) {
badprint "Binlog format should be in ROW mode.";
push @adjvars, "binlog_format = ROW";
@ -7126,6 +7184,7 @@ log_file_recommendations; # check log file content
check_metadata_perf; # Show parameter impacting performance during analysis
mysql_databases; # Show information about databases
mysql_tables; # Show information about table column
mysql_table_structures; # Show information about table structures
mysql_indexes; # Show information about indexes
mysql_views; # Show information about views