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#196 better thread cache hit rate with pools-of-threads

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root 2016-08-30 13:45:46 +02:00
parent 8f33b55fea
commit 7554f10e52
1 changed files with 27 additions and 23 deletions
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50
mysqltuner.pl
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@ -2732,29 +2732,33 @@ sub mysql_stats {
}
# Thread cache
#if ( $myvar{'thread_cache_size'} eq 0 ) {
# badprint "Thread cache is disabled";
# push( @generalrec, "Set thread_cache_size to 4 as a starting value" );
# push( @adjvars, "thread_cache_size (start at 4)" );
#} else {
# if ( $mycalc{'thread_cache_hit_rate'} <= 50 ) {
# badprint
# "Thread cache hit rate: $mycalc{'thread_cache_hit_rate'}% ("
# . hr_num( $mystat{'Threads_created'} )
# . " created / "
# . hr_num( $mystat{'Connections'} )
# . " connections)";
# push( @adjvars,
# "thread_cache_size (> $myvar{'thread_cache_size'})" );
# } else {
# goodprint
# "Thread cache hit rate: $mycalc{'thread_cache_hit_rate'}% ("
# . hr_num( $mystat{'Threads_created'} )
# . " created / "
# . hr_num( $mystat{'Connections'} )
# . " connections)";
# }
#}
if ( $myvar{'thread_cache_size'} eq 0 ) {
badprint "Thread cache is disabled";
push( @generalrec, "Set thread_cache_size to 4 as a starting value" );
push( @adjvars, "thread_cache_size (start at 4)" );
} else {
if ( defined($myvar{'thread_cache_size'}) and $myvar{'thread_cache_size'} == 'pools-of-threads') {
infoprint "Thread cache hit rate: not used with pool-of-threads";
} else {
if ( $mycalc{'thread_cache_hit_rate'} <= 50 ) {
badprint
"Thread cache hit rate: $mycalc{'thread_cache_hit_rate'}% ("
. hr_num( $mystat{'Threads_created'} )
. " created / "
. hr_num( $mystat{'Connections'} )
. " connections)";
push( @adjvars,
"thread_cache_size (> $myvar{'thread_cache_size'})" );
} else {
goodprint
"Thread cache hit rate: $mycalc{'thread_cache_hit_rate'}% ("
. hr_num( $mystat{'Threads_created'} )
. " created / "
. hr_num( $mystat{'Connections'} )
. " connections)";
}
}
}
# Table cache
my $table_cache_var = "";