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Merge pull request #282 from jfcoz/master

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query cache hit rate was not calculated
This commit is contained in:
Jean-Marie Renouard 2016-12-08 11:21:54 +01:00 committed by GitHub
commit 8004da96d2
1 changed files with 6 additions and 10 deletions
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12
mysqltuner.pl
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@ -2744,17 +2744,10 @@ sub mysql_stats {
push( @generalrec,
"Upgrade MySQL to version 4+ to utilize query caching" );
}
elsif ( mysql_version_ge( 5, 5 ) and !mysql_version_ge( 10, 1 ) ) {
if ( $myvar{'query_cache_type'} ne "OFF" ) {
badprint
"Query cache may be disabled by default due to mutex contention.";
push( @adjvars, "query_cache_type (=0)" );
}
else {
elsif ( mysql_version_ge( 5, 5 ) and !mysql_version_ge( 10, 1 ) and $myvar{'query_cache_type'} eq "OFF" ) {
goodprint
"Query cache is disabled by default due to mutex contention on multiprocessor machines.";
}
}
elsif ( $myvar{'query_cache_size'} < 1 ) {
badprint "Query cache is disabled";
push( @adjvars, "query_cache_size (>= 8M)" );
@ -2768,6 +2761,9 @@ sub mysql_stats {
"Query cache cannot be analyzed - no SELECT statements executed";
}
else {
badprint
"Query cache may be disabled by default due to mutex contention.";
push( @adjvars, "query_cache_type (=0)" );
if ( $mycalc{'query_cache_efficiency'} < 20 ) {
badprint
"Query cache efficiency: $mycalc{'query_cache_efficiency'}% ("