I just found this in my logs. Even though my server didn't crash, it may be a first sign, that it will soon crash:
(node) warning: possible EventEmitter memory leak detected. 11 listeners added. Use emitter.setMaxListeners() to increase limit.
Trace
at Request.EventEmitter.addListener (events.js:160:15)
at Request.start (/usr/local/lib/node_modules/shout/node_modules/request/request.js:843:8)
at Request.end (/usr/local/lib/node_modules/shout/node_modules/request/request.js:1400:10)
at end (/usr/local/lib/node_modules/shout/node_modules/request/request.js:564:14)
at Object._onImmediate (/usr/local/lib/node_modules/shout/node_modules/request/request.js:578:7)
at processImmediate [as _immediateCallback] (timers.js:330:15)
(node) warning: possible EventEmitter memory leak detected. 11 listeners added. Use emitter.setMaxListeners() to increase limit.
Trace
at Request.EventEmitter.addListener (events.js:160:15)
at Request.init (/usr/local/lib/node_modules/shout/node_modules/request/request.js:496:8)
at Redirect.onResponse (/usr/local/lib/node_modules/shout/node_modules/request/lib/redirect.js:149:11)
at Request.onRequestResponse (/usr/local/lib/node_modules/shout/node_modules/request/request.js:944:22)
at ClientRequest.EventEmitter.emit (events.js:95:17)
at HTTPParser.parserOnIncomingClient [as onIncoming] (http.js:1688:21)
at HTTPParser.parserOnHeadersComplete [as onHeadersComplete] (http.js:121:23)
at Socket.socketOnData [as ondata] (http.js:1583:20)
at TCP.onread (net.js:525:27)
I just found this in my logs. Even though my server didn't crash, it may be a first sign, that it will soon crash: