hhf/MySQLTuner-perl
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This commit is contained in:
Karl Chen 2016-10-24 00:32:48 +08:00 committed by GitHub
parent f88ce37923
commit 301e5f2291
1 changed files with 38 additions and 40 deletions
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32
mysqltuner.pl
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@ -2920,8 +2920,7 @@ sub mysql_stats {
&& $mystat{'Binlog_cache_use'} > 0 ) {
badprint "Binlog cache memory access: "
. $mycalc{'pct_binlog_cache'} . "% ("
. (
$mystat{'Binlog_cache_use'} - $mystat{'Binlog_cache_disk_use'} )
. ( $mystat{'Binlog_cache_use'} - $mystat{'Binlog_cache_disk_use'} )
. " Memory / "
. $mystat{'Binlog_cache_use'}
. " Total)";
@ -2936,8 +2935,7 @@ sub mysql_stats {
} else {
goodprint "Binlog cache memory access: "
. $mycalc{'pct_binlog_cache'} . "% ("
. (
$mystat{'Binlog_cache_use'} - $mystat{'Binlog_cache_disk_use'} )
. ( $mystat{'Binlog_cache_use'} - $mystat{'Binlog_cache_disk_use'} )
. " Memory / "
. $mystat{'Binlog_cache_use'}
. " Total)";
@ -3757,7 +3755,7 @@ sub mysqsl_pfs {
}
infoprint "No information found or indicators desactivated." if ($nbL == 1);
subheaderprint "Performance schema: Tables not using InnoDb buffer";
subheaderprint "Performance schema: Tables not using InnoDB buffer";
$nbL=1;
for my $lQuery(select_array (' Select table_schema, table_name from sys.schema_table_statistics_with_buffer where innodb_buffer_allocated IS NULL;')) {
infoprint " +-- $nbL: $lQuery";
@ -3765,14 +3763,14 @@ sub mysqsl_pfs {
}
infoprint "No information found or indicators desactivated." if ($nbL == 1);
subheaderprint "Performance schema: Table not using InnoDb buffer";
subheaderprint "Performance schema: Table not using InnoDB buffer";
$nbL=1;
for my $lQuery(select_array (' Select table_schema, table_name from sys.schema_table_statistics_with_buffer where innodb_buffer_allocated IS NULL;')) {
infoprint " +-- $nbL: $lQuery";
$nbL++;
}
infoprint "No information found or indicators desactivated." if ($nbL == 1);
subheaderprint "Performance schema: Table not using InnoDb buffer";
subheaderprint "Performance schema: Table not using InnoDB buffer";
$nbL=1;
for my $lQuery(select_array (' Select table_schema, table_name from sys.schema_table_statistics_with_buffer where innodb_buffer_allocated IS NULL;')) {
infoprint " +-- $nbL: $lQuery";
@ -3780,7 +3778,7 @@ sub mysqsl_pfs {
}
infoprint "No information found or indicators desactivated." if ($nbL == 1);
subheaderprint "Performance schema: Top 15 Tables using InnoDb buffer";
subheaderprint "Performance schema: Top 15 Tables using InnoDB buffer";
$nbL=1;
for my $lQuery(select_array ('Select table_schema, table_name,innodb_buffer_allocated from sys.schema_table_statistics_with_buffer where innodb_buffer_allocated IS NOT NULL ORDER BY innodb_buffer_allocated DESC LIMIT 15;')) {
infoprint " +-- $nbL: $lQuery";
@ -3789,7 +3787,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators desactivated." if ($nbL == 1);
subheaderprint "Performance schema: Top 15 Tables with InnoDb buffer free";
subheaderprint "Performance schema: Top 15 Tables with InnoDB buffer free";
$nbL=1;
for my $lQuery(select_array ('Select table_schema, table_name,innodb_buffer_free from sys.schema_table_statistics_with_buffer where innodb_buffer_allocated IS NOT NULL ORDER BY innodb_buffer_free DESC LIMIT 15;')) {
infoprint " +-- $nbL: $lQuery";
@ -4289,14 +4287,14 @@ having sum(if(c.column_key in ('PRI','UNI'), 1,0)) = 0"
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')"
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 ) {
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) {
foreach my $badtable (@nonInnoDBTables) {
badprint "\t$badtable";
}
}
@ -4311,11 +4309,11 @@ having sum(if(c.column_key in ('PRI','UNI'), 1,0)) = 0"
goodprint "Binlog format is in ROW mode.";
}
if ( $myvar{'innodb_flush_log_at_trx_commit'} != 0 ) {
badprint "Innodb flush log at each commit should be disabled.";
badprint "InnoDB flush log at each commit should be disabled.";
push @adjvars, "innodb_flush_log_at_trx_commit = 0";
}
else {
goodprint "Innodb flush log at each commit is disabled for Galera.";
goodprint "InnoDB flush log at each commit is disabled for Galera.";
}
infoprint "Read consistency mode :" . $myvar{'wsrep_causal_reads'};
@ -4546,7 +4544,7 @@ sub mysql_innodb {
. ") if possible." );
}
if ($mycalc{'innodb_log_size_pct'} < 20 or $mycalc{'innodb_log_size_pct'} > 30) {
badprint "Ratio InnoDB log file size / InnoDb Buffer pool size (".
badprint "Ratio InnoDB log file size / InnoDB Buffer pool size (".
$mycalc{'innodb_log_size_pct'}.
" %): " . hr_bytes( $myvar{'innodb_log_file_size'} ) . "/"
. hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . " should be equal 25%";
@ -4554,7 +4552,7 @@ sub mysql_innodb {
"innodb_log_file_size should be equals to 1/4 of buffer pool size (="
. hr_bytes_rnd( $myvar{'innodb_buffer_pool_size'}/4 ) . ") if possible." );
} else {
goodprint "InnoDB log file size / InnoDb Buffer pool size: "
goodprint "InnoDB log file size / InnoDB Buffer pool size: "
. hr_bytes( $myvar{'innodb_log_file_size'} ) . "/"
. hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . " should be equal 25%";
}