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2012
1416

Tarsnap outage post-mortem

When the Tarsnap EC2 instance came back online about an hour later, I found that the abrupt loss of power had resulted in filesystem corruption. As I explained in a blog post in December 2008, Tarsnap stores all user data in Amazon S3, but keeps metadata cached in EC2 . While I could not see any evidence that the…

1432

Sortfolio lives

After fielding over a dozen offers for Sortfolio, we finally came to an agreement this weekend with a couple of entrepreneurs who will be the new owners of Sortfolio. This is big news for our Sortfolio customers. Back in May we said we’d either be selling Sortfolio for $480,000 or retiring…

1438

Introduction to monads in JavaScript

I know, I know, the world does not need yet another introduction to monads (or yet another article complaining that world does not need yet another introduction to monads). So you’ll be glad to know this isn’t one of those, in the sense that it’s not new. I thought I’d write it because, first, monads are worth knowing…