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Re:In-memory key-value store in C, Go and Python by yummyfajitas on Wednesday March 21, 2012 @08:29AM (#3734036)
In the real world, defaults and simple-to-use libraries (i.e. not twisted) matter. Just because you are doing system programming doesn't mean you necessarily have the time/skill to carefully optimize everything.

System's programming isn't just writing a KV store used by millions. Sometimes it's writing a dedicated calculation server used in a single company. Carefully optimizing your I/O model might take longer than doing the project itself.

Re:In-memory key-value store in C, Go and Python by ootachi on Wednesday March 21, 2012 @11:47AM (#3734887)
There is no default in C, beyond stdio. The C specification makes no reference to any I/O beyond stdio.

The author was being unfair to C. Use epoll or, better yet, libuv. libuv is a simple-to-use library.