- $tinyload = 1;
-
- if ($load > $maxsysload) {
- $queues = 0;
- } elseif ($load > $tinyload) {
- //Provide $queues number between 1 (below max load) and $maxqueues - 1 (above tiny load).
- $range = $maxsysload - $tinyload;
- $slope = 1.00 - (($load - $tinyload) / $range);
- $target = $slope * ($maxqueues - 1);
- $queues = intval(ceil($target));
+
+ if (Config::get('system', 'worker_linear_load', false)) {
+ /* The linear load calculation works fine if there is a low
+ * number of maximum queues and a high load base level.
+ * This can be present at shared hosters.
+ */
+ $tinyload = 1;
+
+ if ($load > $maxsysload) {
+ $queues = 0;
+ } elseif ($load > $tinyload) {
+ //Provide $queues number between 1 (below max load) and $maxqueues - 1 (above tiny load).
+ $range = $maxsysload - $tinyload;
+ $slope = 1.00 - (($load - $tinyload) / $range);
+ $target = $slope * ($maxqueues - 1);
+ $queues = intval(ceil($target));
+ }
+ } else {
+ /* The exponentional load calculation respects the load behaviour
+ * of Linux systems with regular hardware that normally idles
+ * with load values near 0.
+ */
+ $maxworkers = $queues;
+
+ // Some magical mathemathics to reduce the workers
+ $exponent = 3;
+ $slope = $maxworkers / pow($maxsysload, $exponent);
+ $queues = ceil($slope * pow(max(0, $maxsysload - $load), $exponent));