November 12, 2016

Guide to Replacing GenEvent with Supervisor and GenServer

43

clicks

Guide to Replacing GenEvent with Supervisor and GenServer

Source: dashbit.co

In this article, José Valim addresses the limitations of using GenEvent in Elixir and the plan to deprecate it. Valim explains the implementation of a simple replacement using Supervisor and multiple GenServers, demonstrated through changes made in ExUnit, Elixir’s built-in test framework. The article details the old and new event manager implementations, highlights the benefits of using GenServer, such as better concurrency, and discusses the necessary design decisions. The article concludes with a practical example and performance considerations for the new setup.

Continue reading

Related posts

Common Fallacies in Web Application Performance

José Valim discusses various misconceptions about web application performance, emphasizing the importance of considering performance beyond just production and highlighting the benefits of using Elixir.

Jun 26, 2017

Overview of the latest features in Flow v0.14

José Valim provides an overview of the new features introduced in Flow v0.14, discussing explicit control over reducing stages and more.

Jul 18, 2018

Overview of Breaking Changes in Ecto 3.0

José Valim provides a detailed overview of the breaking changes in the upcoming Ecto 3.0 release, including the split of the Ecto repository, updates to datetime types, and new JSON handling practices.

Oct 01, 2018

© HashMerge 2024