"Code Optimizations is an AI-based service running on Azure Application Insights that uses telemetry gathered by the Application Insights Profiler for .NET to analyse runtime behaviour, find performance bottlenecks down to individual methods, and provide actionable suggestions. Developers can view aggregated data over time (defaulting to a rolling 24‑hour window, with history up to 30 days) for their production and non-production environments."
"The enhanced features in Code Optimizations are the detection of issues that block threads, direct GitHub Copilot task assignment from the overview page, and preview support for OpenTelemetry collectors instead of Application Insights proprietary ones. When profiling is enabled in the application, the .NET Profiler is triggered in three ways: as a sampling trigger (once per hour for 30 seconds), when CPU crosses 80% threshold or when memory usage crosses 80% threshold."
Azure Application Insights Code Optimizations uses Application Insights Profiler telemetry to analyse .NET runtime behavior, identify performance bottlenecks at method level, and provide actionable code recommendations. The service aggregates data over a rolling 24-hour window by default, with up to 30 days of history, across production and non-production environments. New enhancements include detection of thread-blocking issues, direct GitHub Copilot task assignment from the overview, and preview support for OpenTelemetry collectors. The .NET Profiler triggers by hourly sampling, or when CPU or memory exceed 80% thresholds, which are configurable to minimize user impact. Profiler overhead averages 5–15% on CPU and memory, with trace data retained for 15 days and no extra storage cost.
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