hhf/MySQLTuner-perl
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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 ) { && $mystat{'Binlog_cache_use'} > 0 ) {
badprint "Binlog cache memory access: " badprint "Binlog cache memory access: "
. $mycalc{'pct_binlog_cache'} . "% (" . $mycalc{'pct_binlog_cache'} . "% ("
. ( . ( $mystat{'Binlog_cache_use'} - $mystat{'Binlog_cache_disk_use'} )
$mystat{'Binlog_cache_use'} - $mystat{'Binlog_cache_disk_use'} )
. " Memory / " . " Memory / "
. $mystat{'Binlog_cache_use'} . $mystat{'Binlog_cache_use'}
. " Total)"; . " Total)";
@ -2936,8 +2935,7 @@ sub mysql_stats {
} else { } else {
goodprint "Binlog cache memory access: " goodprint "Binlog cache memory access: "
. $mycalc{'pct_binlog_cache'} . "% (" . $mycalc{'pct_binlog_cache'} . "% ("
. ( . ( $mystat{'Binlog_cache_use'} - $mystat{'Binlog_cache_disk_use'} )
$mystat{'Binlog_cache_use'} - $mystat{'Binlog_cache_disk_use'} )
. " Memory / " . " Memory / "
. $mystat{'Binlog_cache_use'} . $mystat{'Binlog_cache_use'}
. " Total)"; . " Total)";
@ -3757,7 +3755,7 @@ sub mysqsl_pfs {
} }
infoprint "No information found or indicators desactivated." if ($nbL == 1); 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; $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;')) { 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"; infoprint " +-- $nbL: $lQuery";
@ -3765,14 +3763,14 @@ sub mysqsl_pfs {
} }
infoprint "No information found or indicators desactivated." if ($nbL == 1); 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; $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;')) { 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"; infoprint " +-- $nbL: $lQuery";
$nbL++; $nbL++;
} }
infoprint "No information found or indicators desactivated." if ($nbL == 1); 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; $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;')) { 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"; infoprint " +-- $nbL: $lQuery";
@ -3780,7 +3778,7 @@ sub mysqsl_pfs {
} }
infoprint "No information found or indicators desactivated." if ($nbL == 1); 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; $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;')) { 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"; infoprint " +-- $nbL: $lQuery";
@ -3789,7 +3787,7 @@ sub mysqsl_pfs {
infoprint "No information found or indicators desactivated." if ($nbL == 1); 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; $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;')) { 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"; infoprint " +-- $nbL: $lQuery";
@ -4289,14 +4287,14 @@ having sum(if(c.column_key in ('PRI','UNI'), 1,0)) = 0"
else { else {
goodprint "All tables get a primary key"; goodprint "All tables get a primary key";
} }
my @nonInnoDbTables = select_array( 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')" "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:"; badprint "Following table(s) are not InnoDB table:";
push @generalrec, push @generalrec,
"Ensure that all table(s) are InnoDB tables for Galera replication"; "Ensure that all table(s) are InnoDB tables for Galera replication";
foreach my $badtable (@nonInnoDbTables) { foreach my $badtable (@nonInnoDBTables) {
badprint "\t$badtable"; 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."; goodprint "Binlog format is in ROW mode.";
} }
if ( $myvar{'innodb_flush_log_at_trx_commit'} != 0 ) { 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"; push @adjvars, "innodb_flush_log_at_trx_commit = 0";
} }
else { 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'}; infoprint "Read consistency mode :" . $myvar{'wsrep_causal_reads'};
@ -4546,7 +4544,7 @@ sub mysql_innodb {
. ") if possible." ); . ") if possible." );
} }
if ($mycalc{'innodb_log_size_pct'} < 20 or $mycalc{'innodb_log_size_pct'} > 30) { if ($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'}. $mycalc{'innodb_log_size_pct'}.
" %): " . hr_bytes( $myvar{'innodb_log_file_size'} ) . "/" " %): " . hr_bytes( $myvar{'innodb_log_file_size'} ) . "/"
. hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . " should be equal 25%"; . 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 (=" "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." ); . hr_bytes_rnd( $myvar{'innodb_buffer_pool_size'}/4 ) . ") if possible." );
} else { } 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_log_file_size'} ) . "/"
. hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . " should be equal 25%"; . hr_bytes( $myvar{'innodb_buffer_pool_size'} ) . " should be equal 25%";
} }