Writings on various topics (mostly technical) from Oliver Hookins and Angela Collins. We currently reside in Sydney after almost a decade in Berlin, have three kids, and have far too little time to really justify having a blog.
One of my favourite interview questions is about sparse files. I'm constantly surprised at how few people know about them, especially in this day when thin-provisioning of storage is so pervasive you can run into it just about anywhere. Most commonly though, candidates will respond back with something to the effect of "a file with holes in it" which is more or less correct. I think out of everyone…