Ever use stickers or GIFs to make your texts, messages, or DMs more interesting? If yes, you’ve probably used Holler – a messaging tool that makes digital conversations come to life. The engineers at Holler have the daunting task of monitoring the performance and reliability of a service used by millions of people around the globe on a daily basis. Like many modern DevOps teams, they chose the ELK Stack to manage and analyze their log data. Hear from Daniel Seravalli, a Lead Engineer at Holler, on their story about grappling with the complexities of managing their ELK Stack at scale.