5 Years #on-call: Lessons Learned
▻https://hackernoon.com/5-years-on-call-lessons-learned-72576ef3f409?source=rss----3a8144eabfe3-
Night on-call shift.It’s 2:07 am, I am sleeping when the loud alarm noise of my pager rings in the room. I wake up in seconds, my eyes are dry, and my back is sore. I take a look at my phone. The screen is blinking with an error message, “Database: CPU is reaching 80%, higher than the 70% threshold.” Looks bad. Something is probably hammering our database. What I didn’t know yet, is that it will go worse and my night will be short…I worked for two types of companies. The first one had dedicated sys-admin in charge of deploying in the Production environment and were on call. Then I joined Amazon where software engineers had to be on-call for the software they produce. I first thought it was strange, but I realise now how critical this can be.I’ve learned the hard way that on-call is essential. (...)
#oncall-developer #dev-lessons-learned #years-oncall #software-development
