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When a GNU/Linux machine exhibits a high iowait (i.e. more than 20% of the processor time is locked waiting for IO to complete), it does not always mean a lot of bytes are read or written. It is demonstrated that … Continue reading
The same web service was developed in php, node.js and Twisted/python. The winner is Twisted/python, primarily because it provides a robust asynchronous programming model, can be confortably debugged and deployed.