diff --git a/ofagent/main.py b/ofagent/main.py
index 371d26a..608e1e4 100755
--- a/ofagent/main.py
+++ b/ofagent/main.py
@@ -262,6 +262,7 @@
 
         reactor.addSystemEventTrigger('before', 'shutdown',
                                       self.shutdown_components)
+        reactor.suggestThreadPoolSize(30)
         reactor.run()
 
 
diff --git a/voltha/main.py b/voltha/main.py
index 9485b18..c27f6a6 100755
--- a/voltha/main.py
+++ b/voltha/main.py
@@ -505,6 +505,7 @@
             lambda: self.log.info('twisted-reactor-started'))
         reactor.addSystemEventTrigger('before', 'shutdown',
                                       self.shutdown_components)
+        reactor.suggestThreadPoolSize(30)
         reactor.run()
 
     def start_heartbeat(self):