pm2 app无条件地随机重启

I have a staging and production server both running a Sails.js app (www.sailsjs.org). I have experienced pm2 restarting my app randomly without at correlation or pattern. I've checked the following for any pattern: - Memory usage leading up to restart - sometimes it's ~320MB and others it's ~410MB - Events/Requests/Errors nothing in my Nginx, Node, PM2, or App logs show errors or any concernsI have a staging and production server both run