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update innodb_buffer_pool_instances output

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* make the output more consistent with the other InnoDB outputs
* calculate a value for 'Variables to adjust'
This commit is contained in:
Christian Loos 2015-06-16 13:21:58 +02:00
parent 9d50475025
commit 1e7fe0d394
1 changed files with 10 additions and 13 deletions
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19
mysqltuner.pl
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@ -1140,20 +1140,17 @@ sub mysql_stats {
}
if (defined($myvar{'innodb_buffer_pool_instances'})) {
if ($myvar{'innodb_buffer_pool_instances'} > 64) {
badprint "InnoDB buffer pool instances must be lower than 64.\n";
push(@adjvars,"innodb_buffer_pool_instances must be lower than 64.");
badprint "InnoDB buffer pool instances: ".$myvar{'innodb_buffer_pool_instances'}."\n";
push(@adjvars,"innodb_buffer_pool_instances (<= 64)");
} else {
goodprint "InnoDB buffer pool instances is lower than 64.\n";
}
infoprint "Buffer Pool Inst: $myvar{'innodb_buffer_pool_instances'}\n";
if ($myvar{'innodb_buffer_pool_size'} > 1024*1024*1024
and (
($myvar{'innodb_buffer_pool_size'}/$myvar{'innodb_buffer_pool_instances'}) < 1024*1024*924
or ($myvar{'innodb_buffer_pool_size'}/$myvar{'innodb_buffer_pool_instances'}) > 1024*1024*1124 ) ) {
badprint "InnoDB buffer pool is greater than 1Go and each InnoDB buffer pool instance must manage 900Mo to 1.1Go buffer pool size";
push(@adjvars,"innodb_buffer_pool_instances must be calculated with innodb_buffer_pool_size / 1Go ");
and $myvar{'innodb_buffer_pool_instances'} != int($myvar{'innodb_buffer_pool_size'}/(1024*1024*1024))
) {
badprint "InnoDB buffer pool instances: ".$myvar{'innodb_buffer_pool_instances'}."\n";
push(@adjvars,"innodb_buffer_pool_instances(=".int($myvar{'innodb_buffer_pool_size'}/(1024*1024*1024)).")");
} else {
goodprint "InnoDB buffer pool instances is configurated for managing around 1Go Buffer pool size.";
goodprint "InnoDB buffer pool instances: ".$myvar{'innodb_buffer_pool_instances'}."\n";
}
}
}
}