git.sr.ht almost suffered an outage today, when available disk space for repository storage got as low as 2.8 GiB. Thankfully, the problem was identified and a solution applied before an outage was incurred. This ended up being a good case study in the value of good monitoring and a solid understanding of the performance characteristics of your system. So, what caused this to happen, why didn’t it cause an outage, and what have we learned? A plot showing free disk space on git storage over ...
