Applications crash and engineers need to be able to quickly find the root cause of a crash. Apps have become distributed, and debugging workflows have changed. Developers need better tools to identify and troubleshoot problems with their apps.

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Engineers who want to add search to their application usually deploy Elasticsearch, or write their own search engine that uses TF-IDF. These solutions work well for large documents, but are less effective for large volumes of small records–which is how many modern web and mobile applications are structured.

In today’s show, Julien Lemoine discusses how his company Algolia thinks about search. Algolia is a search as a service company that gives developers an easier way to search on their websites and applications.

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CDN stands for content delivery network. A content delivery network is a system of distributed servers that delivers web pages and other web content. Without CDNs, the internet would be much slower, because CDNs function as a caching layer for most web resources.

Carl Gustas is an engineer at CacheFly, a popular content delivery network. He joins us today to discuss how CDNs work, and the different methods an engineer can use to take advantage of caching in a CDN.

The post Managing a CDN with Carl Gustas appeared first on Software Engineering Daily.

Software applications are constantly generating logs. These logs are necessary to understand how an application is functioning, and logs are key to debugging. As applications have gotten more complex, logging infrastructure has become complex as well. Storing and managing all of our log data is such a big task that several companies have been started to tackle this problem.

Today’s guest is Christian Beedgen, CTO at Sumo Logic. Sumo Logic is a cloud-based log management company. We discuss the elastic log-processing platform Sumo Logic has built to help software engineers with log management. It’s a great conversation about distributed systems, machine learning, and debugging applications.

The post Logging and NoOps with Christian Beedgen appeared first on Software Engineering Daily.

When you spend money online, you expect a receipt to come in your email. When you register for a new web site, you need to verify your sign up in your email. These types of emails are called “transactional email” and sending these types of email at scale is a complex engineering task.

J.R. Jasperson is the chief architect at SendGrid, a transactional email platform. On this episode, we discuss how email works–from the basics to the massive scale that SendGrid operates on. We also talk about email spam and fraud in detail.

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