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We reduced by over 60% the EC2 instance cost of our 1000+ node globally-distributed log-producing application by migrating it entirely to EC2 Spot Fleet. We discuss some of the issues we faced and also present the log data recovery mechanism which helped enable this migration.
Dead code (as in functions that are not used anywhere) tends to pile up in big projects if you leave them unattended. Using one of Xref’s most underrated features, you will be able to detect and remove what you do not need anymore.
The attribution team at AdRoll computes metrics out of petabytes of data every night. This is accomplished using a batch processing pipeline that submits jobs to AWS Batch. In this blog post we discuss how this is organized and orchestrated with Luigi. We also announce Batchiepatchie, a job monitoring tool for AWS Batch.
SF Python has brought its Project Night to AdRoll. Here is what happened…
How is it possible to make AdRoll’s highest performing ad unit, perform even better? Learn how we managed to make our recommendations system nimble, scalable and easy to A/B test.
Listen to some inspiring stories from the some of women of AdRoll Engineering!
Some of us organized a conference for developers in Buenos Aires, Argentina and we tell you all about it!
Click prediction may be a simple binary classification problem, but it requires a robust system architecture to function in production at scale. At AdRoll, we leverage the AWS ecosystem along with a suite of third party tools to build the predictors that power our pricing engine, BidIQ. This is a tour of the production pipelines and monitoring systems that keep BidIQ running.
Erlang pitches a big tent and welcomes new language and framework implementations based on the Beam virtual machine.
We used these techniques to take unit testing to the limit in our Elixir projects.