Use latest version of metrics with suitable event loop monitoring

services/real-time/app.coffee

@@ -12,6 +12,7 @@ logger.initialize("real-time-sharelatex")
 
 Metrics = require("metrics-sharelatex")
 Metrics.initialize("real-time")
+Metrics.event_loop.monitor(logger)
 
 rclient = redis.createClient(Settings.redis.web)
 

services/real-time/package.json

@@ -16,7 +16,7 @@
     "express": "^4.10.1",
     "express-session": "^1.9.1",
     "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#v1.1.0",
-    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v1.3.0",
+    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v1.4.0",
     "redis-sharelatex": "0.0.9",
     "request": "~2.34.0",
     "session.socket.io": "^0.1.6",