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False impression on key buffer usage

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#573
This commit is contained in:
Jean-Marie Renouard 2022-03-11 09:42:01 +01:00
parent cc4fa414d2
commit dd9914be88
1 changed files with 7 additions and 0 deletions
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7
mysqltuner.pl
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@ -3587,6 +3587,13 @@ sub mysql_myisam {
infoprint "MyISAM Metrics are disabled on last MySQL versions."; infoprint "MyISAM Metrics are disabled on last MySQL versions.";
return; return;
} }
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;
}
# Key buffer usage # Key buffer usage
if ( $mycalc{'pct_key_buffer_used'} > 0 ) { if ( $mycalc{'pct_key_buffer_used'} > 0 ) {