The ability to see how much time it takes from when an event in code occurs until that information gets logged at each level of granularity - down into seconds or milliseconds if needed! This makes debugging issues so easy because you know exactly where problems are occurring within your application with pinpoint accuracy!! I don't have any dislikes about this product yet but would like more detailed documentation/knowledge base available online regarding best practices around using JGroups (which seems pretty new). There needs to also come out some sort of "best practice" guide which will help people understand what options they should use depending upon their specific situation. If there were such guides then we could share them easily across our team without having everyone reinventing wheel everytime something comes up! We're solving performance challenges related specifically to high traffic web applications. Our customers expect immediate responses due to all day long usage patterns associated with ecommerce websites etc. The ease of use of the system and the way it integrates with other tools and services. The fact that it supports a wide range of protocols and data formats. The fact that it's open source. The UI could be more modern. But it's not a problem because it's still very easy to understand and use. I'm using it to monitor the health of my microservices. I have been able to monitor the performance of my services. This has helped me to identify the sources of bottlenecks and to fix them.
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