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This technique tracks requests through an application correlating together work done by different application components and separating it from other work the application may be doing for concurrent requests. Distributed tracesĭistributed Tracing is a specialized form of logging that helps you localize failures and performance issues within applications distributed across multiple machines or processes. Performance overhead is variable depending on how much data is being logged. Often a baseline set of log events are configured on by default and more extensive logging can be enabled on-demand to diagnose particular problems. Logging is a technique where code is instrumented to produce a log, a record of interesting events that occurred while the program was running. Metrics have very low performance overhead and many services configure them as always-on telemetry. Metrics are often used to generate alerts when potential problems are detected. Metrics are numerical measurements recorded over time to monitor application performance and health. NET runtime has built-in instrumentation that can be optionally enabled and APIs that allow you to add custom instrumentation specialized for your application.

This is often used in production environments to monitor for problems and diagnose them. This information can then be collected in files, databases, or in-memory and analyzed to understand how a software program is operating. Instrumentation is code that is added to a software project to record what it is doing. NET supports industry standard instrumentation techniques using metrics, logs, and distributed traces. Unit tests are designed to give you an early warning when you break something.

Unit testing is a key component of continuous integration and deployment of high-quality software. A debugger is a good choice for diagnosing functional problems that can be easily reproduced. Pausing, incrementally executing, examining, and resuming gives you insight into the behavior of your code. Debuggersĭebuggers allow you to interact with your program. This article helps you find the various tools you need.

NET Core has tools and APIs that will help you diagnose these issues quickly and effectively. Software doesn't always behave as you would expect, but.