Introduction

At Alloy, we built and maintained a national voter file by combining 51 input files (50 states + DC). This file included voter registration status, demographic data, and contact information and powers Alloy Source, Verify, and Protect. We worked hard to keep this file as up to date as possible and ultimately rebuilt the file more than 800 times.

When I arrived at Alloy, the challenges of maintaining and rebuilding an up-to-date voter file were readily apparent. The build process involved manually running five commands that each ran for hours and often failed. Time spent building the file was not…