Discover potential steps after debugging a Node.js application and finding different ways to measure and improve performance, including log aggregation, testing and code quality, and application performance management.
- [Instructor] Debugging and performance…are fascinating topics and I hope you're interested…in learning more.…There's a lot of exciting directions…that you can take based on this experience.…When a problem in an application is found and fixed…it's a good idea to take steps to prevent the issue…from happening again.…Automated testing and code quality tools can be used…to detect logical errors and prevent regressions.…Check out the course, Node.js: Testing and Code Quality…in your library for more details.…Investigate options for aggregating your logs…into one place for analysis.…
With a holistic view you can find trends,…associate events with each other,…and even set up alerts.…There are many options, including open source solutions…like Logstach and Graylog,…and commercial solutions like Splunk,…that can get you started.…There's a class of products known…as Application Performance Management, or APM.…They monitor the performance and availability…of applications, and produce metrics and reports…that are incredibly useful for finding stability…
Author
Released
7/13/2018- Building a troubleshooting mindset
- Why measure performance?
- What's a microservice architecture?
- Managing microservices with PM2
- Effective logging strategies
- Debugging Node.js applications
- Benchmarking performance
- Profiling code execution
- Knowing what to optimize
Skill Level Intermediate
Duration
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Introduction
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What you should know3m 4s
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Using challenges44s
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Demo application tour4m 24s
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1. Build a Troubleshooting Mindset
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Finding what went wrong5m 11s
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Why measure performance?3m 12s
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Documenting problems2m 36s
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When is a problem resolved?4m 10s
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2. Introducing Microservices
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3. Effective Logging Strategies
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Why and what should I log?6m 26s
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Choosing a logging library5m 40s
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Request logging with Morgan6m 39s
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Correlating requests in logs6m 18s
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4. Debugging Node.js Applications
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Debugging isn't just logging3m 51s
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5. Measuring Performance
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Benchmarking performance4m 51s
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Profiling code execution7m 17s
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Conclusion
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Knowing what to optimize5m 13s
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Caching fundamentals2m 54s
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Next steps2m 23s
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