Erin Baez, Author at Scalyr

Erin Baez / July 16

PHP Stack Trace: Understanding It and Using It to Debug

If you’ve spent any amount of time writing code, you’ll know that debugging is a vital part of the process. Sometimes it can be challenging to work out why your program has crashed or stopped…
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Erin Baez / July 9

HTrace Tutorial: How to Monitor Your Distributed Systems

Cloudera, the company that supports distributions of Apache Hadoop and Spark, created the HTrace tracing framework for Java. While they retired the framework last year, its many legacy projects still use it. It offers specific…
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Erin Baez / July 2

Getting Started Quickly With Kotlin Logging

Kotlin logging is the next chapter in our “Getting Started Quickly” logging series. This series has already spawned two different ebooks, but we’re just getting started. Kotlin is a relatively new language. It was open-sourced…
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Erin Baez / June 25

Black Box Monitoring and How to Track Opaque Systems

When systems are observable, it’s easier to debug in production. But there are also systems that you don’t control, and you can’t add more instrumentation to increase observability. Debugging is exhausting because you’re working only…
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Erin Baez / June 18

Three Pillars of Observability: Do You Have All of Them?

Logs, metrics, and traces are often regarded as the three pillars of observability. When you work with them separately, your systems don’t become more observable. And worse, if you have to use three different tools…
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Erin Baez / June 11

Getting Started Quickly With Flask Logging

Our “getting started” series has covered so much ground that we’ve already compiled two different ebooks from it. But we’re not finished yet! It’s time to discuss logging with Python’s Flask framework! Flask is a…
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Erin Baez / June 4

Controllability Is Important in Your Production Systems

Today I’m going to explain why controllability is vital in your production systems and why having observable systems is critical. Controllability is a corollary concept related to observability from the control systems theory. Nowadays, people…
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Erin Baez / May 28

Java Stack Trace: Understanding It and Using It to Debug

Deploying your Java code to production limits your troubleshooting options. Connecting to your app in production with a debugger is usually out of the question, and you might not even be able to get console…
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Erin Baez / May 21

Log Parser Tutorial: Learn to Parse Many Input Formats

Logs come in a variety of formats and are stored in multiple different locations. Getting insights from all of these logs isn’t a trivial task. Microsoft Log Parser is a tool that helps us extract…
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Erin Baez / May 14

Getting Started Quickly With Laravel Logging

You probably know that feeling when something is broken and you don’t know why. It might be a simple bug, but it also might be something more serious. That uncertainty can be frustrating and nerve-wracking.…
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