Posted inapache kafka kafka Karafka
Kafka topics as code – declarative Kafka topics management in Ruby
Kafka topics are a fundamental concept in Apache Kafka. Topics are logical names or labels…
Posted inapache kafka kafka Karafka
Karafka Web UI – Your Ruby and Rails out-of-the-box Kafka UI
I'm thrilled to announce the new and shiny addition to the Karafka ecosystem: Karafka Web.…
Posted inbug concurrency concurrent-ruby
Ruby concurrency is hard: how I became a Ruby on Rails contributor
For the past several weeks, I've been trying to fix a cranky spec in Karafka…
RSpec story about disappearing classes
ActiveSupport#descendants can be slow. In a bigger system with layers of descendants, finding all of…
Posted inbenchmark Karafka karafka framework
Reduce your method calls by 99.9% by replacing Thread#pass with Queue#pop
When doing multi-threaded work in Ruby, there are a couple of ways to control the…
Controlling Elgato Key Light under Ubuntu with Ruby
Recently I’ve acquired Elgato Key Light. It is a WiFi controllable LED lighting panel. The…
Reading the uncompressed GZIP file size in Ruby without decompression
There are cases where you have a compressed GZIP file for which you want to…
RubyGems dependency confusion attack side of things
Note: This article is not to deprecate any of the findings and achievements of Alex…
How requiring a gem can mess up your already running application
Introduction Ruby’s dynamic nature is both its advantage and disadvantage. Being able to reopen system…
Posted inKarafka karafka framework Performance
The hidden cost of a Ruby threads leakage
Bug hunting Recently I’ve been working with one small application that would gradually become slower…