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Superfast CSV imports using PostgreSQL's COPY command
Dealing with various sources of data in web applications requires us to create services that will extract information from CSV, Excel, and other file types. In that case, it's best to use some existing libraries, or if your backend is on Rails, us...
The Limits of Copy-on-write: How Ruby Allocates Memory
Anyone who’s run Unicorn (or Puma, or Einhorn) may have noticed a curious phenomena. Worker processes that have been forked from a master start with low memory usage, but before too long will bloat to a similar size as their parent. In a big produ...
Announcing the Modularized AWS SDK for Ruby (Version 3) | AWS Developer Blog
Version 3 of the AWS SDK for Ruby modularizes the monolithic SDK into service-specific gems, for example, aws-sdk-s3 and aws-sdk-dynamodb. Now each service gem uses strict semantic versioning, along with the benefits of continuous delivery of AWS ...
Evented Rails: Decoupling complex domains in Rails with Domain Events
In our last Domain-Driven Design discussion, we learned how to group similar business components into application Bounded Contexts, which were separated folders in our Rails apps. This segregated cohesive groups of application code into separate f...
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