Rails is a classic on Ruby for a reason. The framework is powerful, intuitive and the language has a low entry bar. However, being designed when systems existed on a single server, standard Rails logging is excessively fractionalized. Even on a single server, a straightforward call can quickly turn into seven unique, unconnected logs.

Newlib is a very popular libc targeting embedded systems. It’s the libc that ships with the GNU Arm Embedded Toolchain published by ARM. This article takes a look at one of the commonly used functions provided by the Newlib C library: memcpy. We’ll examine the default nano implementation and the performance implications, comparing it against the faster non-default implementation. Like Interrupt? Subscribe to get our latest posts straight to your mailbox.

MetricFire offers a complete system, infrastructure, and application monitoring using a suite of open-source monitoring tools. With MetricFire, you can monitor all your infrastructure on a single dashboard. The platform displays metrics on the dashboard using either Hosted Prometheus or Graphite-as-a-Service.

As APIs become more complex, it can be easy to accidentally break connections. To prevent this, Speedscale can automatically detect and make you aware of inbound and outbound transactions running through APIs in our API Dependency Graph. The Traffic Viewer dashboard makes this information visible to independent teams working on different services. In most organizations this information is usually only known by senior engineers, team leads, and architects.

Enrique Fueyo Ramírez is the Co-founder and CTO of Lang.ai. Here’s a post on how him and his team at Lang.ai instrumented performance monitoring for GraphQL resolvers.

Here are the articles, videos, and tools that we’ve been excited about this July and August. We hope you enjoy these links, and we look forward to hearing what you’ve been reading in the comments or on the Interrupt Slack.