Daily Archives: 04.04.2020
How to work with core dumps of Go programs
If you want to check what is going on in your service during load (on production or during stress testing process), you can take a core dump of your app and load it into Goland for further debugging.
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# first you need to get your app's PID ps aux|grep <your-app-bin-name> gcore <PID> # download dump file and binary file to a local machine with kubectl cp <some-namespace>/<some-pod>:/core.<PID> ~/Downloads kubectl cp <some-namespace>/<some-pod>:<your-app-bin-path> ~/Downloads |
Then open it your Goland: Navigate to Run | Open Core Dump. In the Executable field, …
Nice introductory article on why Golang is not OOP
It is a copy of this article — https://rakyll.org/typesystem/ It is real struggle to work with a new language, especially if the type doesn’t resemble what you have previously seen. I have been there with Go and lost my interest in the language when it first came out due to the reason I was pretending …