Set default from 5 to 4

Author: yidas

README.md

@@ -240,7 +240,7 @@ class My_worker extends WorkerController
 |$phpCommand       |string   |'php'        |PHP CLI command for current environment|
 |$listenerSleep    |integer  |3            |Time interval of listen frequency on idle|
 |$workerSleep      |integer  |0            |Time interval of worker processes frequency|
-|$workerMaxNum     |integer  |5            |Number of max workers|
+|$workerMaxNum     |integer  |4            |Number of max workers|
 |$workerStartNum   |integer  |1            |Number of workers at start, less than or equal to $workerMaxNum|
 |$workerWaitSeconds|integer  |10           |Waiting time between worker started and next worker starting|
 |$workerHeathCheck |boolean  |true         |Enable worker health check for listener|

src/Controller.php

@@ -56,7 +56,7 @@ class Controller extends CI_Controller
      *
      * @var integer
      */
-    public $workerMaxNum = 5;
+    public $workerMaxNum = 4;
 
     /**
      * Number of workers at start, less than or equal to $workerMaxNum