Tag
performance
5 articles tagged with “performance”
LINQ in .NET 9: Deferred Execution, IQueryable, and the New Operators
Practical LINQ for backend engineers — IEnumerable vs IQueryable, the .NET 9 CountBy/AggregateBy/Index additions, and EF Core translation pitfalls.
Async/Await in .NET 9: ConfigureAwaitOptions, Task.WhenEach, and Bounded Concurrency
Modern async patterns for ASP.NET Core — context capture, the .NET 8 ConfigureAwaitOptions enum, .NET 9 Task.WhenEach, and the anti-patterns that cause production incidents.
EF Core 9 in Production: Tracking, Projections, and the Performance Levers That Matter
Bulk updates with ExecuteUpdateAsync, projection over Include, AsSplitQuery for cartesian explosion, auto-compiled models, and IDbContextFactory for parallel work.
React Fiber Explained: Lanes, Phases, and Why Your Renders Behave That Way
A working mental model for React Fiber — render vs commit phase, the Lane priority model, automatic batching, useTransition, and useDeferredValue.
Caching in 2026: Cache-Aside, HybridCache, and the Four Failure Modes
Cache-aside vs write-through, .NET 9 HybridCache (L1+L2 with stampede protection), TTL design with jitter, and the four ways caches actually fail in production.

