Invoca Engineering Blog

Our New Performance Score for Signal AI

Introduction

Our Journey To Continuous Deployment

This is the chronicle of a multi-year odyssey of transforming a 40 person development team and…

Challenges of organizing and hosting a CTF

We just wrapped up the 2018 Santa Barbara Capture The Flag and it was another…

Zero Downtime Schema Migrations

As part of our Journey to Continuous Deployment at Invoca, one of the roadblocks to more frequent and flexible deploys was database schema migrations. We had to lock users out during a deploys that contained migrations because when users read or wrote to tables that were…

MySQL storage of UTF-8 characters

While reviewing a recent pull request, I realized I didn’t fully understand how MySQL stores UTF-8 characters. It is especially confusing due to inconsistencies with the family of text column types (TINYTEXT, TEXT…) that we use for aggregate storage (such as JSON blobs)…

2nd Biannual SB CTF

Last weekend Invoca hosted the 2nd biannual Santa Barbara Capture The Flag (CTF) competition, and we are proud to announce…