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Should you, could you AOT?

Blog post from Sentry

Post Details
Company
Date Published
Author
James Crosswell
Word Count
2,428
Company Posts That Month
15
Language
English
Hacker News Points
-
Post removed?
No
Summary

Ahead-of-Time (AOT) compilation in .NET 8.0 allows ASP.NET Core applications to be compiled into native machine code, eliminating the need for the .NET runtime to be installed on the executing machine, similar to how applications in languages like C or Rust operate. AOT compilation offers faster startup times and reduced memory and disk usage, which is particularly beneficial for short-lived services or applications with scaling policies. However, there are several limitations and compatibility issues, such as incompatibility with certain ASP.NET Core features and challenges with trimming, reflection, and dependency management, that developers must navigate to benefit from AOT. The Sentry SDK case study reveals these challenges, particularly the need to replace Newtonsoft.Json with System.Text.Json for serialization, adjust configuration bindings, and handle dependencies that aren't AOT-compatible, illustrating a practical approach to achieving AOT compatibility. Despite the complexities, the advantages of AOT, such as improved performance and lower operational costs, make it an attractive option for many developers looking to optimize their ASP.NET Core applications.

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