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add skip-name-resolve recommandation

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This commit is contained in:
jfcoz 2016-06-03 08:33:02 +02:00
parent 2a8cf5fea6
commit b0848e5cc5
1 changed files with 8 additions and 0 deletions
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8
mysqltuner.pl
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@ -2501,6 +2501,14 @@ sub mysql_stats {
"Aborted connections: $mycalc{'pct_connections_aborted'}% ($mystat{'Aborted_connects'}/$mystat{'Connections'})"; "Aborted connections: $mycalc{'pct_connections_aborted'}% ($mystat{'Aborted_connects'}/$mystat{'Connections'})";
} }
# name resolution
if ($result{'Variables'}{'skip_name_resolve'} eq 'OFF') {
badprint
"name resolution is active : a reverse name resolution is made for each new connection and can reduce performance";
push( @generalrec,
"Configure your accounts with ip or subnets only, then update your configuration with skip-name-resolve=1" );
}
# Query cache # Query cache
if ( !mysql_version_ge(4) ) { if ( !mysql_version_ge(4) ) {