Originally published July 25, 2019. We are taking a few weeks off. We’ll be back soon with new episodes. Envoy is an open source edge and service proxy that was originally developed at Lyft.  Envoy is often deployed as a sidecar application that runs alongside a service and helps that service by providing features such

Originally published May 2, 2017. We are taking a few weeks off. We’ll be back soon with new episodes. A new programmer learns to build applications using data structures like a queue, a cache, or a database. Modern cloud applications are built using more sophisticated tools like Redis, Kafka, or Amazon S3. These tools do

Originally published December 20, 2019. We are taking a few weeks off. We’ll be back soon with new episodes. freeCodeCamp was started five years ago with the goal of providing free coding education to anyone on the Internet. freeCodeCamp has become the best place to begin learning how to write software. There are many other

Originally published April 14, 2017. We are taking a few weeks off. We’ll be back soon with new episodes. Facebook’s open source projects include React, GraphQL, and Cassandra. These projects are key pieces of infrastructure used by thousands of developers–including engineers at Facebook itself. These projects are able to gain traction because Facebook takes time

Originally published October 24, 2019. We are taking a few weeks off. We’ll be back soon with new episodes. Redis is an in-memory database that persists to disk. Redis is commonly used as an object cache for web applications. Applications are composed of caches and databases. A cache typically stores the data in memory, and

Originally published November 21, 2019. We are taking a few weeks off. We’ll be back soon with new episodes. HTTP is a protocol that allows browsers and web applications to communicate across the Internet. Everyone knows that HTTP is doing some important work, because “HTTP” is at the beginning of most URLs that you enter

Originally published June 13, 2019. We are taking a few weeks off. We’ll be back soon with new episodes. Machine learning allows software to improve as that software consumes more data. Machine learning is a tool that every software engineer wants to be able to use. Because machine learning is so broadly applicable, software companies

Originally published January 31, 2019. We are taking a few weeks off. We’ll be back soon with new episodes. Artificial intelligence is reshaping every aspect of our lives, from transportation to agriculture to dating. Someday, we may even create a superintelligence–a computer system that is demonstrably smarter than humans. But there is widespread disagreement on

Cruise is an autonomous car company with a development cycle that is highly dependent on testing its cars–both in the wild and in simulation. The testing cycle typically requires cars to drive around gathering data, and that data to subsequently be integrated into a simulated system called Matrix. With COVID-19, the ability to run tests

Grafana is an open source visualization and monitoring tool that is used for creating dashboards and charting time series data. Grafana is used by thousands of companies to monitor their infrastructure. It is a popular component in monitoring stacks, and is often used together with Prometheus, ElasticSearch, MySQL, and other data sources. The engineering complexities