1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py
index fbfd506a43..a6623e2956 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -44,8 +44,15 @@ if strtobool(os.environ.get("SYNAPSE_ASYNC_IO_REACTOR", "0")):
 
     from twisted.internet import asyncioreactor
 
+    if bool(os.environ.get("SYNAPSE_UVLOOP", False)):
+        import uvloop
+
+        uvloop.install()
+        print("Using uvloop")
+
     asyncioreactor.install(asyncio.get_event_loop())
 
+
 # Twisted and canonicaljson will fail to import when this file is executed to
 # get the __version__ during a fresh install. That's OK and subsequent calls to
 # actually start Synapse will import these libraries fine.