Nikolay Sivko: How to build an easily supported application ENG , , Linux Piter

Nikolay Sivko, Russia. Moscow, Cofounder, Nikolay is a cofounder of server monitoring SaaS, before that he was managing operations of several large websites. ++++++++++++++++ How to build an easily supported application There are engineers who write software (dev) and then there are engineers who operate that software (ops). Somehow it s common that the latter ones are having a lot of problems understanding what s going on with some software and why it s not behaving in the way one would expect. And that s true not only for homegrown applications, but for commonly used OSS systems too. In this talk I ll look into diagnostic for a couple of popular OSSs, like nginx, postgresql, and mongodb. I ll discuss what metrics they do already have and what else you might wish to have, but is still missing. In the other half of the talk I want to give a couple examples of how to instrument your homegrown app, so these ops people won