mirror of
https://github.com/major/MySQLTuner-perl.git
synced 2024-09-21 15:57:10 +00:00
commit
d030d9f340
@ -59,6 +59,7 @@ my %opt = (
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"pass" => 0,
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"skipsize" => 0,
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"checkversion" => 0,
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"buffers" => 0,
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);
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# Gather the options from the command line
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@ -78,6 +79,7 @@ GetOptions(\%opt,
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'checkversion',
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'mysqladmin=s',
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'help',
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'buffers',
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);
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if (defined $opt{'help'} && $opt{'help'} == 1) { usage(); }
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@ -115,6 +117,7 @@ sub usage {
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" --nobad Remove negative/suggestion responses\n".
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" --noinfo Remove informational responses\n".
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" --nocolor Don't print output in color\n".
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" --buffers Print global and per-thread buffer values\n".
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"\n";
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exit;
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}
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@ -763,6 +766,33 @@ sub mysql_stats {
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# Memory usage
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infoprint "Total buffers: ".hr_bytes($mycalc{'server_buffers'})." global + ".hr_bytes($mycalc{'per_thread_buffers'})." per thread ($myvar{'max_connections'} max threads)\n";
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if ($opt{buffers} ne 0) {
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infoprint "Global Buffers\n";
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infoprint " +-- Key Buffer: " . hr_bytes($myvar{'key_buffer_size'}) . "\n";
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infoprint " +-- Max Tmp Table: ".hr_bytes($mycalc{'max_tmp_table_size'})."\n";
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if (defined $myvar{'innodb_buffer_pool_size'}) {
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infoprint " +-- InnoDB Buffer Pool: " . hr_bytes($myvar{'innodb_buffer_pool_size'}) . "\n";
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}
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if (defined $myvar{'innodb_additional_mem_pool_size'}) {
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infoprint " +-- InnoDB Additional Mem Pool: " . hr_bytes($myvar{'innodb_additional_mem_pool_size'}) . "\n";
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}
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if (defined $myvar{'innodb_log_buffer_size'}) {
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infoprint " +-- InnoDB Log Buffer: " . hr_bytes($myvar{'innodb_log_buffer_size'}) . "\n";
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}
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if (defined $myvar{'query_cache_size'}) {
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infoprint " +-- Query Cache: " . hr_bytes($myvar{'query_cache_size'}) . "\n";
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}
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infoprint "Per Thread Buffers\n";
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infoprint " +-- Read Buffer: " . hr_bytes($myvar{'read_buffer_size'}) . "\n";
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infoprint " +-- Read RND Buffer: " . hr_bytes($myvar{'read_rnd_buffer_size'}) . "\n";
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infoprint " +-- Sort Buffer: " . hr_bytes($myvar{'sort_buffer_size'}) . "\n";
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infoprint " +-- Thread stack: " . hr_bytes($myvar{'thread_stack'}) . "\n";
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infoprint " +-- Join Buffer: " . hr_bytes($myvar{'join_buffer_size'}) . "\n";
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}
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if ($arch && $arch == 32 && $mycalc{'total_possible_used_memory'} > 2*1024*1024*1024) {
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badprint "Allocating > 2GB RAM on 32-bit systems can cause system instability\n";
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badprint "Maximum possible memory usage: ".hr_bytes($mycalc{'total_possible_used_memory'})." ($mycalc{'pct_physical_memory'}% of installed RAM)\n";
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