Reduce sleep between reading server logs to improve performance for h…

…eavy-logging Laravel application using a stderr/stdout logging driver. (#902)

* Add configurable sleep between server output iterations

* Update InteractsWithServers.php

---------

Co-authored-by: Taylor Otwell <taylor@laravel.com>

src/Commands/Concerns/InteractsWithServers.php

@@ -28,6 +28,10 @@ protected function runServer($server, $inspector, $type)
         $watcher = $this->startServerWatcher();
 
         try {
+            $usleepBetweenIterations = config('octane.usleep_between_writing_server_output') ??
+                $_ENV['LARAVEL_OCTANE_USLEEP_BETWEEN_WRITING_SERVER_OUTPUT'] ??
+                10 * 1000;
+
             while ($server->isRunning()) {
                 $this->writeServerOutput($server);
 
@@ -45,7 +49,7 @@ protected function runServer($server, $inspector, $type)
                     return 1;
                 }
 
-                usleep(500 * 1000);
+                usleep($usleepBetweenIterations);
             }
 
             $this->writeServerOutput($server);