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improve "$arch" variable usage

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- handle the (default!) undefined case;
- really treat it as a number (cause that's the way it is defined everywhere in "check_architecture", and it is compared to a number too);
- (try to) avoid extra ops by reordering the operations.
This commit is contained in:
Marius Feraru 2014-03-21 17:32:35 +02:00
parent d9eef7d752
commit 8347fafe4e
1 changed files with 1 additions and 1 deletions
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mysqltuner.pl
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@ -763,7 +763,7 @@ sub mysql_stats {
# Memory usage
infoprint "Total buffers: ".hr_bytes($mycalc{'server_buffers'})." global + ".hr_bytes($mycalc{'per_thread_buffers'})." per thread ($myvar{'max_connections'} max threads)\n";
if ($mycalc{'total_possible_used_memory'} > 2*1024*1024*1024 && $arch eq 32) {
if ($arch && $arch == 32 && $mycalc{'total_possible_used_memory'} > 2*1024*1024*1024) {
badprint "Allocating > 2GB RAM on 32-bit systems can cause system instability\n";
badprint "Maximum possible memory usage: ".hr_bytes($mycalc{'total_possible_used_memory'})." ($mycalc{'pct_physical_memory'}% of installed RAM)\n";
} elsif ($mycalc{'pct_physical_memory'} > 85) {