Author here. We recently published a post about our last 4 years on SMR usage here: https://dropbox.tech/infrastructure/four-years-of-smr-storag.... Note that SMR technology just 5 years ago was rather nascent and a lot of software support was not great. Using SMR for us is possible without penalty only because of our sequential write workloads.
We use a custom disk format along with libzbc, but libzbd now provides many advantages, which we are looking to adopt. I did want the QCon talk to have some super straight-to-the-point conclusions and these, I believe, have saved us the most since I have been on the team. Largely due to the sheer scale of managing such a system.
We use a custom disk format along with libzbc, but libzbd now provides many advantages, which we are looking to adopt. I did want the QCon talk to have some super straight-to-the-point conclusions and these, I believe, have saved us the most since I have been on the team. Largely due to the sheer scale of managing such a system.