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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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Developer Happiness: a Five-Part Series

BY Doug Breaker

The New York Times ran a popular Op-Ed on Happiness last year. The Cliff Notes version? The daily activities most associated with happiness are sex, socializing after work and having dinner with others. The daily activity most injurious to happiness is commuting. Many software developers are fortunate to have flexible ...

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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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Deploying to AWS Part II: Running a Rails app on Fargate

BY Doug Breaker

What's the 2018 approach to deploying a Rails app to AWS? We've partnered with DailyDrip on a series of videos to guide you through the process. We'll be covering how to Dockerize a Rails app, AWS Fargate, logging, monitoring, and CDN support. Today's video is the next in the series ...

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Deploying to AWS Part IV: Performance monitoring with Scout

BY Doug Breaker

Looking for a fresh, 2018 approach to deploying a Rails app to AWS? We've partnered with DailyDrip on a series of videos to guide you through the process. We'll be covering how to Dockerize a Rails app, AWS Fargate, logging, monitoring, and CDN support. Today, we're configuring application performance monitoring ...

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Deploying Faktory to AWS Fargate

BY Doug Breaker

Looking for a fresh, 2018 approach to deploying a Rails app to AWS? We've partnered with DailyDrip on a series of videos to guide you through the process. We're covering how to Dockerize a Rails app, AWS Fargate, logging, monitoring, setting up load balancing, SSL, CDN, and more. In today's ...

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Deploying a Faktory worker to AWS Fargate

BY Doug Breaker

Looking for a fresh, 2018 approach to deploying a Rails app to AWS? We've partnered with DailyDrip on a series of videos to guide you through the process. We're covering how to Dockerize a Rails app, AWS Fargate, logging, monitoring, setting up load balancing, SSL, CDN, and more. In the ...

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Kafka: "git branch" for production streams

BY Doug Breaker

I switched from SVN to Git for version control years back largely because it made experimenting a blast. Creating branches, viewing diffs, stashing - it was fun to veer off the highway and explore dirt roads. Making it easy to experiment on my dev box is great, but rolling those ...

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App Monitoring: Stability, Stability, Stability ... and pricing.

BY Doug Breaker

We're officially in the Stability Phase™ of app monitoring: slamming our site with traffic, trying to break things, and adding resiliency for the spots that need it. Read on for an updated General Availability date, our planned stability improvements, and pricing information. General Availability GA is November 16th (GA will ...

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A 5-point Rails app performance audit

BY Doug Breaker

Before we talk performance, lets talk entropy. Entropy usually refers to the idea that everything in the universe eventually moves from order to disorder, and entropy is the measurement of that change. Like entropy, the performance of a Rails app will trend toward disorder . An N+1 database query here, ...

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