feat: Set the number of worker threads to start

assets/runtime/config/master.yml

@@ -25,6 +25,15 @@ cachedir: {{SALT_CACHE_DIR}}/master
 extension_modules: {{SALT_CACHE_DIR}}/master/extmods
 
 
+#####  Large-scale tuning settings   #####
+##########################################
+# The number of worker threads to start. These threads are used to manage
+# return calls made from minions to the master. If the master seems to be
+# running slowly, increase the number of threads. This setting can not be
+# set lower than 3.
+worker_threads: {{SALT_WORKER_THREADS}}
+
+
 #####        Security settings       #####
 ##########################################
 # Enable passphrase protection of the Master signing_key. This only applies if

assets/runtime/env-defaults.sh

@@ -13,6 +13,7 @@ SALT_LOG_ROTATE_RETENTION=${SALT_LOG_ROTATE_RETENTION:-52}
 # https://docs.saltstack.com/en/latest/ref/configuration/master.html
 SALT_RESTART_MASTER_ON_CONFIG_CHANGE=${SALT_RESTART_MASTER_ON_CONFIG_CHANGE:-False}
 SALT_REACTOR_WORKER_THREADS=${SALT_REACTOR_WORKER_THREADS:-10}
+SALT_WORKER_THREADS=${SALT_WORKER_THREADS:-5}
 
 #####         Logging settings       #####
 # https://docs.saltstack.com/en/latest/ref/configuration/master.html#master-logging-settings

assets/runtime/functions.sh

@@ -269,7 +269,8 @@ function configure_salt_master()
     SALT_CACHE_DIR \
     SALT_CONFS_DIR \
     SALT_KEYS_DIR \
-    SALT_REACTOR_WORKER_THREADS
+    SALT_REACTOR_WORKER_THREADS \
+    SALT_WORKER_THREADS
 
   # Update keys configuration
   update_template "${SALT_ROOT_DIR}/master" \