Very nice. I like the idea of tying logs to users like that. Seems like there would be a lot of overhead for that amount of logging though. Could you elaborate a bit more on how it all works? Do you run an internally developed mixpanel/GA type tool? Or, is this server side logging (the JS issue speaks otherwise).
Quizlet employee here. For the JS logging you see in some of the screenshots, we use some JS on the client side that watches for errors and fires off a request to us with as much data as on the error as we can collect (in most cases we can get stack traces, which is pretty nice). In terms of where this all gets stored and aggregated, all of our application level logs are shipped into Elasticsearch, and that's where t…
You should write a blog post about your usage of elasticsearch/kibana/logstash