From b14498a09af826035e46ae8d6b013d0ec849bdb7 Mon Sep 17 00:00:00 2001
From: PrinsFrank <25006490+PrinsFrank@users.noreply.github.com>
Date: Fri, 30 Jun 2023 17:11:51 +0200
Subject: [PATCH] Fix autoscaler scaling down below zero when number of queues
 times minProcesses is higher than maxProcesses (#1292)

---
 src/AutoScaler.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/AutoScaler.php b/src/AutoScaler.php
index 26a2dfa8..65d0da1f 100644
--- a/src/AutoScaler.php
+++ b/src/AutoScaler.php
@@ -144,7 +144,7 @@ protected function scalePool(Supervisor $supervisor, $pool, $workers)
             $pool->scale(
                 min(
                     $totalProcessCount + $maxUpShift,
-                    $supervisor->options->maxProcesses - (($supervisor->processPools->count() - 1) * $supervisor->options->minProcesses),
+                    max($supervisor->options->minProcesses, $supervisor->options->maxProcesses - (($supervisor->processPools->count() - 1) * $supervisor->options->minProcesses)),
                     $desiredProcessCount
                 )
             );