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Is your Django app slow? Think like a data scientist, not an engineer

BY Derek Haynes

I'm an engineer by trade. I rely on intuition when investigating a slow Django app. I've solved a lot of performance issues over the years and the short cuts my brain takes often work. However, intuition can fail. It can fail hard in complex Django apps with many layers (ex: ...

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Google Colab+Prophet+Scout = Easy Web Traffic Forecasts

BY Derek Haynes

Forecasting traffic to your web app is important for capacity planning, but generating a seasonally accurate model of your traffic is pretty daunting. If you under-forecast: Your app servers may become oversaturated, and requests will start backing up in a queue. If many requests are database-heavy, your database load may ...

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Chatting, Coding, and Application Performance Monitoring with Fast JSON:API

BY Michael Heck

It was a great night of chatting, coding, and application performance monitoring in Tokyo. Thanks to everyone who came out to hear our very own Naohiro present about Fast JSON:API. How does Fast JSON:API compare to other Active Model Serializers? Naohiro showed us how he switched from Jbuilder to Fast ...

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Ruby Interpreters: What You Need to Know

BY Derek Haynes

Using the right Ruby interpreter to run your programs can make all the difference. Unfortunately, it can be tough to find resources about different Ruby interpreter options, or about how to choose the right one. Below, we’ve compiled a wealth of information about interpreters in Ruby. Even if you start this article asking "What is a Ruby interpreter?", you’ll learn exactly what you need to know to make the right decision.

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Scout APM now supports Python 2.7!

BY Derek Haynes

We launched our Python agent a few months ago, supporting Python 3.4+.

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Elixir Overview and Tutorial (as told in a Wizard fable)

BY Derek Haynes

Interested in Learning the Elixir language? Join us in this entertaining Elixir tutorial and overview.

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Quick blog post about throughput sparkline feature

BY Derek Haynes

We've had sparkline charts of response time for a long time on our Endpoints tab, and now have extended them to the throughput column as well. Quickly isolate endpoints that are spiking with traffic, and drill down into them to diagnose. No need to hunt to see what's causing an unusual trend in traffic.

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11 Awesome Elixir Jobs for 2019 (and some incredible perks)

BY Derek Haynes

Elixir has Arrived Elixir is a programming language that is beginning to gather steam. Originally released in 2011, it is a functional and dynamic language, and runs on the Erlang VM (Virtual Machine). Elixir is highly scalable and fault tolerant. In other words, Elixir is perfect for today's software landscape of microservices and cloud computing.

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Ruby Agent 2.4.21 is out with a bug fix, a new configuration option, and a debug option

BY Derek Haynes

App & Background Integration Installation As reported on Issue #228, if scout_apm is disabled on a node via the configuration monitor = false, we don't intend to install any instruments, but a few snuck in anyway.

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Upgraded Ecto logging hooks to Telemetry in new Agent 0.4.8

BY Derek Haynes

Recently the Ecto library released a major update - Version 3.0. As part of the changes, some of the hooks that Scout relied on to capture data have changed. No longer can we hook into Ecto's logging system to extract information about queries being run, and instead we have a proper Telemetry event to listen to.

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