Applications are constantly evolving and it can feel like an impossible task to solve all outstanding issues. Learn how to set goals for constant, measurable improvement and track progress.
- [Announcer] Web applications are constantly growing,…it can be overwhelming to try…and solve every problem that exists…and still have the time to add new features.…We want to do the right thing…and fix all problems as they come up.…Fixing errors is unambiguous,…either the error occurs or it doesn't.…What about performance concerns like a slow site?…In order to stay sane and make progress…we need to be able to find the answer…to a fundamental question.…When is a problem resolved?…The answer takes a combination of technical…and issue management skills.…
First of all, what does resolve?…To resolve is the settle or find a solution to a problem.…Notice that it doesn't say, to fix.…Why not?…There are a number of ways to resolve a technical problem.…The most obvious is to fix the issue,…which means that something was wrong to begin with.…However, what if you cannot reproduce the issue?…That's a valid resolution as well,…especially is the issue is particularly vague.…Also, there's a won't fix resolution,…meaning the system works as designed…
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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Video: When is a problem resolved?