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14014

Why Tarsnap won't use DynamoDB

As I've blogged about before, the Tarsnap server code synthesizes a log-structured filesystem on top of Amazon S3 . As a result of this design, for each block of data stored on Tarsnap, the server code needs to keep track of two key-value pairs: First, to map a 64-bit machine number and a 256-bit block ID to a 64-bit…

14034

Trust is Fragile

Taylor’s post about our growth in 2011 included a bunch of numbers showing how the pistons inside the 37signals engine are pounding faster, but it all got swept away by what seemed like an innocent side-note: The 100 millionth file was called cat.jpg. Being as it is that the internet is co…

14037

Schlep Blindness

January 2012 There are great startup ideas lying around unexploited right under our noses. One reason we don't see them is a phenomenon I call schlep blindness . Schlep was originally a Yiddish word but has passed into general use in the US. It means a tedious, unpleasant task. No one likes schleps, but hackers…