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# --
# Copyright (C) 2001-2021 OTRS AG, https://otrs.com/
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (GPL). If you
# did not receive this file, see https://www.gnu.org/licenses/gpl-3.0.txt.
# --
package Kernel::System::SupportDataCollector::Plugin::Database::mysql::Performance;
use strict;
use warnings;
use parent qw(Kernel::System::SupportDataCollector::PluginBase);
use Kernel::Language qw(Translatable);
our @ObjectDependencies = (
'Kernel::System::DB',
);
sub GetDisplayPath {
return Translatable('Database');
}
sub Run {
my $Self = shift;
# get database object
my $DBObject = $Kernel::OM->Get('Kernel::System::DB');
if ( $DBObject->GetDatabaseFunction('Type') ne 'mysql' ) {
return $Self->GetResults();
}
$DBObject->Prepare( SQL => "show variables like 'query_cache_size'" );
while ( my @Row = $DBObject->FetchrowArray() ) {
if (
!$Row[1]
|| $Row[1] < 1024 * 1024 * 10
|| $Row[1] > 1024 * 1024 * 600
)
{
$Self->AddResultWarning(
Identifier => 'QueryCacheSize',
Label => Translatable('Query Cache Size'),
Value => $Row[1],
Message =>
Translatable(
"The setting 'query_cache_size' should be used (higher than 10 MB but not more than 512 MB)."
),
);
}
else {
$Self->AddResultOk(
Identifier => 'QueryCacheSize',
Label => Translatable('Query Cache Size'),
Value => $Row[1],
);
}
}
return $Self->GetResults();
}
1;
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