librenms-librenms/includes/html/graphs/application/mysql_query_cache.inc.php

<?php

require 'includes/html/graphs/common.inc.php';

$mysql_rrd = Rrd::name($device['hostname'], ['app', 'mysql', $app->app_id]);

if (Rrd::checkRrdExists($mysql_rrd)) {
    $rrd_filename = $mysql_rrd;

    $array = [
        'QCQICe' => [
            'descr' => 'Queries in cache',
            'colour' => '22FF22',
        ],
        'QCHs' => [
            'descr' => 'Cache hits',
            'colour' => '0022FF',
        ],
        'QCIs' => [
            'descr' => 'Inserts',
            'colour' => 'FF0000',
        ],
        'QCNCd' => [
            'descr' => 'Not cached',
            'colour' => '00AAAA',
        ],
        'QCLMPs' => [
            'descr' => 'Low-memory prunes',
            'colour' => 'FF00FF',
        ],
    ];

    $rrd_list = [];
    foreach ($array as $ds => $var) {
        $rrd_list[] = [
            'filename' => $rrd_filename,
            'descr' => $var['descr'],
            'ds' => $ds,
            //                'colour' => $var['colour']
        ];
    }
} else {
    echo "data missing: $mysql_rrd";
}

$colours = 'mixed';
$nototal = 1;
$unit_text = 'Commands';

require 'includes/html/graphs/generic_multi_simplex_seperated.inc.php';