Scaling Queue Workers Efficiently with AppSignal Metrics

AppSignal asked me to write for their blog. My first post is about some techniques we’ve been using at OfficeLuv to responsively scale our queueing systems based on usage. From the introduction:

Correct Ruby Threads and ActiveRecord Connections

Recently, we had an opportunity to trivially parallelize some ActiveRecord queries in our Ruby server. In a common response structure, we needed to both query for the actual data requested along with some meta-information about pagination, etc.