In this talk, Sanju and Pranin discuss their experience managing a large-scale cluster at Foonpay, an Indian digital payments and technology company. They explain that they store their data using GlusterFS, a distributed file system, due to its lack of a metadata server and previous success with the project. They cover various problems they encountered, including capacity expansion, data migration, and performance issues, and the solutions they implemented. They also discuss the health checks and maintenance activities they perform to ensure the smooth operation of their cluster. Overall, their talk highlights the challenges and lessons learned from managing a cluster at scale using GlusterFS.