
Stuff Goes Bad: Erlang in Anger
Fred Hébert
Stuff Goes Bad: Erlang in Anger
Fred Hébert
Book Details:
Year: | 2014 |
Publisher: | Autoedición |
Pages: | 93 pages |
Language: | english |
Since: | 09/12/2015 |
Size: | 2.77 MB |
License: | Pending review |
Content:
There’s something rather unique in Erlang in how it approaches failure compared to most other programming languages. There’s this common way of thinking where the language, programming environment, and methodology do everything possible to prevent errors. Something going wrong at run-time is something that needs to be prevented, and if it cannot be prevented, then it’s out of scope for whatever solution people have been thinking about.
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This book intends to be a little guide about how to be the Erlang medic in a time of war. It is first and foremost a collection of tips and tricks to help understand where failures come from, and a dictionary of different code snippets and practices that helped developers debug production systems that were built in Erlang.
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This book is divided in two parts. Part I focuses on how to write applications. It includes how to dive into a code base (Chapter 1), general tips on writing open source Erlang software (Chapter 2), and how to plan for overload in your system design (Chapter 3). Part II focuses on being an Erlang medic and concerns existing, living systems. It contains instructions on how to connect to a running node (Chapter 4), and the basic runtime metrics available (Chapter 5). It also explains how to perform a system autopsy using a crash dump (Chapter 6), how to identify and fix memory leaks (Chapter 7), andhow to find runaway CPU usage (Chapter 8). The final chapter contains instructions on how to trace Erlang function calls in production using recon6 to understand issues before they bring the system down (Chapter 9).
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