From: miqrogroove <miqrogroove@gmail.com>
Date: Wed, 20 Jun 2018 10:43:57 +0000 (-0400)
Subject: Add Comments to Worker Exponent Implementation
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=12d0f4bf3c17fb650036e301bb677ff736d5c178;p=friendica.git

Add Comments to Worker Exponent Implementation
---

diff --git a/src/Core/Worker.php b/src/Core/Worker.php
index 3df20c5145..c965e05830 100644
--- a/src/Core/Worker.php
+++ b/src/Core/Worker.php
@@ -625,6 +625,11 @@ class Worker
 		if ($load) {
 			$maxsysload = intval(Config::get("system", "maxloadavg", 50));
 
+			/* Default exponent 3 causes queues to rapidly decrease as load increases.
+			 * If you have 20 max queues at idle, then you get only 5 queues at 37.1% of $maxsysload.
+			 * For some environments, this rapid decrease is not needed.
+			 * With exponent 1, you could have 20 max queues at idle and 13 at 37% of $maxsysload.
+			 */
 			$exponent = intval(Config::get('system', 'worker_load_exponent', 3));
 			$slope = pow(max(0, $maxsysload - $load) / $maxsysload, $exponent);
 			$queues = intval(ceil($slope * $maxqueues));