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From the terminology point of view and in general, what is the difference between a tracing and a logging ?
Thanks!
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More companies are replacing logging with tracing. If one implements custom tracing by using libraries that require code changes, it's simple to implement custom data. As it's related to a trace of a specific transaction making it more valuable and a great replacement for logging.
You should use metrics for your alerting because they ensure that you see all your requests (and all the errors, slow requests, etc.). Trace data, on the other hand, usually needs to be sampled at high volumes of traffic because the amount of data increases proportionally to the traffic volume.
Distributed tracing, sometimes called distributed request tracing, is a method to monitor applications built on a microservices architecture. IT and DevOps teams use distributed tracing to follow the course of a request or transaction as it travels through the application that is being monitored.
Logging is a method of tracking and storing data to ensure application availability and to assess the impact of state transformations on performance. Monitoring is a diagnostic tool used for alerting DevOps to system-related issues by analyzing metrics.
Logging is not Tracing!
LoggingWhen you design a big application, you need to have good and flexible error reporting - perhaps across machines - to collect log data in a centralized way. That is a perfect use case for the Logging Application Block where you configure some remote trace listener, and send the log data to a central log server which stores its log messages in a database, log file or whatever. If you use out-of-process communication, you are limited by the network performance already, which in the best case is several thousand logs/s.
TracingBesides Error Reporting, you also need to trace your program flow to find out where the performance bottlenecks are; even more importantly, when an error occurs, you have a chance to find out how you did get there. In an ideal world, every function would have some tracing enabled with the function duration, passed parameters, and how far you did get into your function.
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