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Merge pull request #439 from mpirio/fix/innodb_stats_on_metadataVarNotExists

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$myvar{'innodb_stats_on_metadata'} may not exist
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Jean-Marie Renouard 2019-05-21 20:04:53 +02:00 committed by GitHub
commit 037f7208fa
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1 changed files with 9 additions and 7 deletions
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16
mysqltuner.pl
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@ -5766,14 +5766,16 @@ sub mysql_innodb {
sub check_metadata_perf {
subheaderprint "Analysis Performance Metrics";
infoprint "innodb_stats_on_metadata: " . $myvar{'innodb_stats_on_metadata'};
if ( $myvar{'innodb_stats_on_metadata'} eq 'ON' ) {
badprint "Stat are updated during querying INFORMATION_SCHEMA.";
push @adjvars, "SET innodb_stats_on_metadata = OFF";
if (defined $myvar{'innodb_stats_on_metadata'}) {
infoprint "innodb_stats_on_metadata: " . $myvar{'innodb_stats_on_metadata'};
if ( $myvar{'innodb_stats_on_metadata'} eq 'ON' ) {
badprint "Stat are updated during querying INFORMATION_SCHEMA.";
push @adjvars, "SET innodb_stats_on_metadata = OFF";
#Disabling innodb_stats_on_metadata
select_one("SET GLOBAL innodb_stats_on_metadata = OFF;");
return 1;
#Disabling innodb_stats_on_metadata
select_one("SET GLOBAL innodb_stats_on_metadata = OFF;");
return 1;
}
}
goodprint "No stat updates during querying INFORMATION_SCHEMA.";
return 0;