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Home Alone: a Post-Incident Review

Written by Ferd.ca / Original link on Dec. 27, 2020

2020/12/27Home Alone: a Post-Incident ReviewOver the last few years I've been reading more and more about resilience engineering and all the related material when it comes to Learning From Incidents. This stuff has a way to stick with you and change how you think, and I found myself adjusting my pe…


Interval Tree Clocks

Written by Ferd.ca / Original link on Nov. 27, 2020

2020/11/27Interval Tree ClocksI wanted to gather some notes I've kept in my head over the years about Interval Tree Clocks. Interval Tree clocks have been presented in a 2008 paper by Paulo Sérgio Almeida, Carlos Baquero, and Victor Fonte. It's one of the most interesting and readable papers I've…


You Reap What You Code

Written by Ferd.ca / Original link on Oct. 20, 2020

2020/10/20You Reap What You CodeThis is a loose transcript of my talk at Deserted Island DevOps Summer Send-Off, an online conference in COVID-19 times. One really special thing about it is that the whole conference takes place over the Animal Crossing video game, with quite an interesting setup.It…


You Reap What You Code

Written by Ferd.ca / Original link on Oct. 20, 2020

2020/10/20You Reap What You CodeThis is a loose transcript of my talk at Deserted Island DevOps Summer Send-Off, an online conference in COVID-19 times. One really special thing about it is that the whole conference takes place over the Animal Crossing video game, with quite an interesting setup.It…


A Pipeline Made of Airbags

Written by Ferd.ca / Original link on Sep. 24, 2020

2020/09/24A Pipeline Made of AirbagsAt a former job, we used to deploy live systems by doing hot code loading. We had a thing that automatically pushed all the new code onto each server's disk, but would do nothing with it. Then an engineer would log onto one Erlang node, in the REPL. All Erlang no…


A Pipeline Made of Airbags

Written by Ferd.ca / Original link on Sep. 24, 2020

2020/09/24A Pipeline Made of AirbagsAt a former job, we used to deploy live systems by doing hot code loading. We had a thing that automatically pushed all the new code onto each server's disk, but would do nothing with it. Then an engineer would log onto one Erlang node, in the REPL. All Erlang no…