Set a chunk limit to allow Roadrunner to stream responses to reduce memory consumption.

util/rr_http_worker.php

@@ -16,8 +16,12 @@ $diBuilder = AppFactory::createContainerBuilder($environment);
 
 $httpFactory = new App\Http\HttpFactory();
 $worker = \Spiral\RoadRunner\Worker::create();
+
 $psr7Worker = new Spiral\RoadRunner\Http\PSR7Worker($worker, $httpFactory, $httpFactory, $httpFactory);
 
+// Allow for streaming larger responses back to Roadrunner.
+$psr7Worker->chunkSize = 1024 * 25;
+
 while (true) {
     try {
         $request = $psr7Worker->waitRequest();