auto scale uwsgi workers based on load

restore.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-SCRIPT_VERSION="37"
+SCRIPT_VERSION="38"
 SCRIPT_URL='https://raw.githubusercontent.com/amidaware/tacticalrmm/master/restore.sh'
 
 sudo apt update
@@ -245,23 +245,12 @@ npm install meshcentral@${MESH_VER}
 
 print_green 'Restoring the backend'
 
-echo 'Optimize for number of processors'
-numprocs=$(nproc)
-uwsgiprocs=4
-if [[ "$numprocs" == "1" ]]; then
-  uwsgiprocs=2
-else
-  uwsgiprocs=$numprocs
-fi
-
 uwsgini="$(cat << EOF
 [uwsgi]
 chdir = /rmm/api/tacticalrmm
 module = tacticalrmm.wsgi
 home = /rmm/api/env
 master = true
-processes = ${uwsgiprocs}
-threads = ${uwsgiprocs}
 enable-threads = true
 socket = /rmm/api/tacticalrmm/tacticalrmm.sock
 harakiri = 300
@@ -271,6 +260,16 @@ vacuum = true
 die-on-term = true
 max-requests = 500
 disable-logging = true
+cheaper-algo = busyness
+cheaper = 4
+cheaper-initial = 4
+workers = 20
+cheaper-step = 2
+cheaper-overload = 3
+cheaper-busyness-min = 5
+cheaper-busyness-max = 10
+# stats = /tmp/stats.socket # uncomment when debugging
+# cheaper-busyness-verbose = true # uncomment when debugging
 EOF
 )"
 echo "${uwsgini}" > /rmm/api/tacticalrmm/app.ini