hhf/MySQLTuner-perl
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Hide recommendation when no key buffer is used

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Currently, when a key_buffer_size=0 is applied, MySQLTuner sets pct_key_buffer_used=0 but still shows it as "[!!]" (bad), recommending to adjust key_buffer_size to "~ 0". The idea surely was show it neither as good or bad in this case, but as debugprint, which is currently never used since pct_key_buffer_used is always defined.

This commit changes the condition to check whether pct_key_buffer_used is larger then zero, to decide whether to show good/bad (with recommendation) or a debug info without recommendation.

Signed-off-by: MichaIng <micha@dietpi.com>
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MichaIng 2022-01-24 02:23:54 +01:00 committed by GitHub
parent 926c9a92ca
commit 93a8c0849e
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1 changed files with 1 additions and 1 deletions
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mysqltuner.pl
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@ -3556,7 +3556,7 @@ sub mysql_myisam {
}
# Key buffer usage
if ( defined( $mycalc{'pct_key_buffer_used'} ) ) {
if ( $mycalc{'pct_key_buffer_used'} > 0 ) {
if ( $mycalc{'pct_key_buffer_used'} < 90 ) {
badprint "Key buffer used: $mycalc{'pct_key_buffer_used'}% ("
. hr_bytes( $myvar{'key_buffer_size'} -