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by delusional
1596 days ago
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I'm sad that we forgot the value of core dumping. Stacktraces are cool and all, especially when you're developing and just want to know which assertion didn't hold. In production we have to deal with issues that we can't reproduce, and a a huge step up from stacktraces in that context is dumping core. I wish there was an easy way to dump core from java inside a docker container, and some sort of software for keeping track of them. Something like coredumpctl and journald, but for k8s. |
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The value of the core dumping has greatly diminished once commercial vendors have started stripping symbol tables from binaries they would ship (IP protection! trade secrets! know-how!), and it has diminished even greater when core dumps started approaching gigabytes in size – the reaction of system administrators was swift and cruel: «ulimit -c 0» at the system level.