I've been on-call for most of the last 11 years. I was on-call for the CS Department at Mudd1. I was on-call at Yelp, in a rotation that at times contained as few as three people. I was on-call at Uber in rotations ranging from one to twenty people. And I've been on-call at EasyPost — initially in a rotation with one other person2, and currently with two other people. I have responded to tens of thousands of pages. I have been woken up in the middle of the night hundreds3 of times. For the last seven or …read more
It's been a while since I posted, and I've been spending a lot of time fighting with Redis, one of the darling databases of the NoSQL era, at work, so I thought I'd grace y'all with a brief rant on Redis, what it's good at, what it's bad at, and so on.
Redis is an open-source moderately-structured in-memory key-value store. This means that, unlike full relational databases, it doesn't have a fixed schema, and it can't perform server-side operations like joining and filtering data1, and theoretically it's faster. Redis looks an awful lot like memcache, but …read more
In light of all of the hullabaloo about PRISM and other spying technology, I thought it'd be good to remind all of your dear readers that we've had the technology to ensure private communications on the Internet for 22 years in the form of Pretty Good Privacy (and the much-more-commonly-used implementation, GnuPG). Ars Technica had an okay article about e-mail encryption with PGP which I recommend reading, although you should keep in mind that most security professionals would consider infrastructural PKI like SSL and S/MIME to be compromised by nation-state-level adversaries (and all associated MIC contractors).
Anyhow, my GPG …read more
Hello dear readers. I just thought i'd give you a life update, since it's been nearly a year since my last post. In no particular order, some things that have happened since then: