One of our most important goals at Heroku is to be boring . Don’t get us wrong, we certainly hope that you’re excited about the Heroku developer experience — as heavy users of Heroku ourselves, we certainly are! But, even more so, we hope that you don’t have to spend all that much time thinking about Heroku. We want you to be able to spend your time thinking about the awesome, mission-critical things you’re building with Heroku, rather than worrying about the security, reliability, or performance of the underlying infrastructure they run on. Keeping Heroku “boring” enough to be trusted with your mission-critical workloads takes a lot of not-at-all-boring work, however! In this post, we’d like to give you a peek behind the curtain at an infrastructure upgrade we completed last year, migrating to a new-and-improved storage backend for platform metrics.…